Details of a Researcher - Maeda, Takaki

Papers - Maeda, Takaki

Division display >> ／ All the affair displays 1 - 124 of about 124

Sense of Agency研究による精神病理学と生物学の連繋：統合失調症の病態理解と治療方法確立を目指して

前田貴記、大井博貴

日本生物学的精神医学会誌 36 ( 3 ) in press 2025.09

ことば遣いの身体性の自覚：譚（ものがたり）を織り上げる力を自在にするための二つの論理（質の論理と量の論理）

前田貴記

精神科治療学 40 ( 6 ) 589 - 596 2025.06

Distorted time window for sensorimotor integration and preserved time window for sense of agency in patients with post-stroke limb apraxia.

Satoshi Nobusako, Rintaro Ishibashi, Takaki Maeda, Sotaro Shimada and Shu Morioka

Front. Hum. Neurosci. 19 ( 1597200 ) 2025.06

Accepted

Access to Document (DOI)

妄想知覚において現れる“他者”とは誰れか？：「異質性（Fremdheit）」の浸潤

精神神経学雑誌 127 ( 5 ) 327 - 332 2025.05

Accepted

Hierarchical Analysis of the Sense of Agency in Schizophrenia: Motor Control, Control Detection, and Self-attribution.

Hiroki Oi, Wen Wen, Acer Chang, Hiroyuki Uchida, Takaki Maeda

Schizophrenia 10 ( 1 ) 79 2024.09

Accepted

The sense of agency refers to the feeling of initiating and controlling one’s actions and their resulting effects on the external environment. Previous studies have uncovered behavioral evidence of excessive self-attribution and, conversely, a reduction in the sense of agency in patients with schizophrenia. We hypothesize that this apparent paradox is likely to result from impairment in lower-level processes underlying the sense of agency, combined with a higher-level compensational bias. The present study employed three behavioral tasks utilizing the same stimuli and experimental design to systematically evaluate multiple factors that influence the sense of agency, including motor control, sensorimotor processing, and self-attribution. Participants’ real-time mouse movements were combined with prerecorded motions of others in ratios of 30/70, 55/45, or 80/20, with an additional angular bias of either 0° or 90°. Twenty-six patients with schizophrenia and 27 health control volunteers participated in the three tasks. Patients with schizophrenia performed significantly worse in the reaching and control detection tasks than healthy controls. However, their self-attribution in the control judgment task was comparable to that of the healthy controls. Patients with schizophrenia were impaired in motor control components and in the detection of control using sensorimotor information, but their evaluation of agency remained relatively less affected. This underscores the importance of distinguishing between different subcomponents when addressing the abnormal sense of agency in patients with schizophrenia. Subsequent cluster analysis revealed that the combined task performance accurately distinguished between the patients and healthy control participants.

Access to Document (DOI)

Developmental changes in the time window for the explicit sense of agency experienced across the lifespan.

Satoshi Nobusako, Yusaku Takamura, Kyohei Koge, Michihiro Osumi, Takaki Maeda, Shu Morioka

Cognitive Development 72 101503 2024

Accepted, ISSN 08852014

Sense of agency (SoA) is the subjective experience of individuals that they are initiators and controllers of their own actions, but it is not known how the time window for SoA changes developmentally over the lifetime. The present study examined developmental changes in the time window for SoA in school-age children (6–12 years), adolescents (16–18 years), young adults (20–25 years), adults (28–64 years), and older adults (65–83 years). The current results show that the time window for SoA is longer in young adults than in school-age children, adolescents, adults, and older adults, suggesting that young adulthood may be an important period of developmental change in the time window for SoA across the lifespan.

Access to Document (DOI)

Aberrant sense of agency induced by delayed prediction signals in schizophrenia: a computational modeling study

Okimura T., Maeda T., Mimura M., Yamashita Y.

Schizophrenia (Schizophrenia) 9 ( 1 ) 72 2023.12

Aberrant sense of agency (SoA, a feeling of control over one’s own actions and their subsequent events) has been considered key to understanding the pathology of schizophrenia. Behavioral studies have demonstrated that a bidirectional (i.e., excessive and diminished) SoA is observed in schizophrenia. Several neurophysiological and theoretical studies have suggested that aberrancy may be due to temporal delays (TDs) in sensory-motor prediction signals. Here, we examined this hypothesis via computational modeling using a recurrent neural network (RNN) expressing the sensory-motor prediction process. The proposed model successfully reproduced the behavioral features of SoA in healthy controls. In addition, simulation of delayed prediction signals reproduced the bidirectional schizophrenia-pattern SoA, whereas three control experiments (random noise addition, TDs in outputs, and TDs in inputs) demonstrated no schizophrenia-pattern SoA. These results support the TD hypothesis and provide a mechanistic understanding of the pathology underlying aberrant SoA in schizophrenia.

Access to Document (DOI)

統合失調症における自我障害の神経科学的な理解

大井博貴、前田貴記

臨床精神医学　 52 ( 5 ) 519 - 526 2023.05

Joint Work

“自我”体験の異常のとらえ方

精神科治療学 38 ( 4 ) 421 - 426 2023.04

スマートフォンログに基づくwell-being 指標と下位尺度の推定

濱谷尚志, 山本直樹, 荒川大輝, 檜山聡, 姚文昊, 上西康平, 太田順, 寺澤悠理, 沖村宰, 前田貴記

情報処理学会論文誌 64 ( 1 ) 134 - 144 2023

Accepted

Passive Way of Measuring QOL/Well-being Levels Using Smartphone Log

Wenhao Yao, Kohei Kaminishi , Naoki Yamamoto, Takashi Hamatani, Yuki Yamada, Takahiro Kawada, Satoshi Hiyama, Tsukasa Okimura, Yuri Terasawa, Takaki Maeda, Masaru Mimura and Jun Ota

Frontier in Digital Health (Frontiers in Digital Health) 4 780566 2022.03

Accepted

Research on mental health states involves paying increasing attention to changes in daily life. Researchers have attempted to understand such daily changes by relying on self-reporting through frequent assessment using devices (smartphones); however, they are mostly focused on a single aspect of mental health. Assessing the mental health of a person from various perspectives may help in the primary prevention of mental illness and the comprehensive measurement of mental health. In this study, we used users' smartphone logs to build a model to estimate whether the scores on three types of questionnaires related to quality of life and well-being would increase compared to the previous week (fluctuation model) and whether they would be higher compared to the average for that user (interval model). Sixteen participants completed three questionnaires once per week, and their smartphone logs were recorded over the same period. Based on the results, estimation models were built, and the F-score ranged from 0.739 to 0.818. We also analyzed the features that the estimation model emphasized. Information related to “physical activity,” such as acceleration and tilt of the smartphone, and “environment,” such as atmospheric pressure and illumination, were given more weight in the estimation than information related to “cyber activity,” such as usage of smartphone applications. In particular, in the Positive and Negative Affect Schedule (PANAS), 9 out of 10 top features in the fluctuation model and 7 out of 10 top features in the interval model were related to activities in the physical world, suggesting that short-term mood may be particularly heavily influenced by subjective activities in the human physical world.

Access to Document (DOI)

時空間的なスマートフォンログ分析に基づく利用者のストレス推定手法

濱谷尚志, 落合桂一, 山本直樹, 深澤佑介, 木本勝敏, 上西康平, 太田順, 寺澤悠理, 沖村宰, 前田貴記

情報処理学会論文誌 62 ( 4 ) 1 - 15 2021.04

Accepted

Influence of Stochastic Resonance on Manual Dexterity in Children With Developmental Coordination Disorder: A Double-Blind Interventional Study

Satoshi Nobusako, Michihiro Osumi, Atsushi Matsuo, Emi Furukawa, Takaki Maeda, Sotaro Shimada, Akio Nakai, Shu Morioka

Frontiers in Neurology (Frontiers in Neurology) 12 626608 2021.03

Accepted, ISSN 1664-2295

Background: There is increasing evidence that the stochastic resonance (SR) phenomenon provided by subthreshold mechanical noise stimulation improves the sensory-motor system. However, the effect of SR on children with developmental coordination disorder (DCD) is unclear. The purpose of this study was to assess whether SR activated by subthreshold vibrotactile noise stimulation of the wrist influences manual dexterity in children with DCD. Methods: A double-blind interventional study was conducted. Participants were 30 children (age: 9.3 ± 1.44 years, range 6–11 years; 27 male, three female; 25 right-handed, five left-handed) meeting DCD diagnostic criteria in DSM-5. The manual dexterity test was administered the day before SR intervention (baseline-data). SR was elicited using subthreshold vibrotactile noise stimulation at 60% of the vibrotactile threshold measured at the wrist. SR was delivered two times and the manual dexterity test was administered during each SR stimulation block (SR-on condition) and after each SR stimulation block (SR-off), for a total of four measurements. Target outcomes were the component score, the standard score, and the percentile score of the manual dexterity test. Results: The manual dexterity test scores in the SR-on condition were significantly improved compared to scores at the baseline and in the SR-off condition (p < 0.001). Conclusions: The present study showed that subthreshold noise stimulation eliciting SR significantly improved manual dexterity outcomes in children with DCD during stimulation but not after stimulation. Future studies will need to investigate the carry-over effects of SR stimulation.

Access to Document (DOI)

Increased visual bias in children with developmental coordination disorder: Evidence from a visual-tactile temporal order judgment task

Satoshi Nobusako, Michihiro Osumi, Emi Furukawa, Akio Nakai, Takaki Maeda, Shu Morioka

Human Movement Science (Human Movement Science) 75 102743 2020.12

Accepted, ISSN 0167-9457

© 2020 Elsevier B.V. Background: Previous studies have suggested that children with developmental coordination disorder (DCD) rely heavily on vision to perform movements, which may contribute to their clumsy movements. However, few studies have objectively and quantitatively investigated the perceptual biases of children with DCD. Methods: A visual-tactile temporal order judgment (TOJ) task was used to measure and compare the perceptual biases of 19 children with DCD and 19 age- and sex-matched typically developing children. The point of subjective equality, which demonstrates when “visual first” and “tactile first” judgment probabilities are equal (50%), obtained by analyzing the results of the visual-tactile TOJ task, was used as an indicator of perceptual biases. Further, variables (age and manual dexterity in all participants; motor function, autism spectrum disorder and attention-deficit hyperactivity disorder traits, and depressive symptoms in children with DCD) associated with perceptual biases were examined with correlation analysis. Results: Children with DCD had significantly stronger visual bias than typically developing children. Overall correlation analysis showed that increased visual bias was significantly correlated with poor manual dexterity. Conclusion: Children with DCD had a strong visual bias, which was associated with poor manual dexterity.

Access to Document (DOI)

Altered sense of agency in children with developmental coordination disorder

Satoshi Nobusako, Michihiro Osumi, Emi Furukawa, Akio Nakai, Takaki Maeda, Shu Morioka

Research in Developmental Disabilities (Research in Developmental Disabilities) 107 103794 2020.10

Accepted, ISSN 08914222

© 2020 Elsevier Ltd Background: There is increasing evidence that children with developmental coordination disorder (DCD) have deficits in sensory-motor integration, but it is unclear whether the sense of agency (SoA) generated by sensory-motor integration is altered. Aims: To investigate whether there is a difference in the time window for SoA between children with DCD and typically developing (TD) children. Methods and Procedures: An agency attribution task was used to quantitatively measure and compare the time window for SoA in 15 children with DCD and 46 children in the TD group. Variables that correlated with the time window for SoA were also examined in both groups of children. Outcomes and Results: The time window for SoA was significantly extended in children with DCD compared to TD children. The time window for SoA in TD children was significantly associated with manual dexterity, whereas the time window for SoA in children with DCD was significantly associated with depressive tendency. Conclusions and Implications: The time window for SoA is altered in children with DCD. The present results suggest that there may be a bidirectional relationship between an internal model deficit and depressive tendency and SoA in children with DCD.

Access to Document (DOI)

Statistical Learning model of the Sense of Agency

Shiro Yano,Yoshikatsu Hayashi,Yuki Murata,Hiroshi Imamizu,Takaki Maeda,Toshiyuki Kondo

Frontiers in Psychology (Frontiers in Psychology) 11 539957 2020.10

Accepted

© Copyright © 2020 Yano, Hayashi, Murata, Imamizu, Maeda and Kondo. A sense of agency (SoA) is the experience of subjective awareness regarding the control of one's actions. Humans have a natural tendency to generate prediction models of the environment and adapt their models according to changes in the environment. The SoA is associated with the degree of the adaptation of the prediction models, e.g., insufficient adaptation causes low predictability and lowers the SoA over the environment. Thus, identifying the mechanisms behind the adaptation process of a prediction model related to the SoA is essential for understanding the generative process of the SoA. In the first half of the current study, we constructed a mathematical model in which the SoA represents a likelihood value for a given observation (sensory feedback) in a prediction model of the environment and in which the prediction model is updated according to the likelihood value. From our mathematical model, we theoretically derived a testable hypothesis that the prediction model is updated according to a Bayesian rule or a stochastic gradient. In the second half of our study, we focused on the experimental examination of this hypothesis. In our experiment, human subjects were repeatedly asked to observe a moving square on a computer screen and press a button after a beep sound. The button press resulted in an abrupt jump of the moving square on the screen. Experiencing the various stochastic time intervals between the action execution (button-press) and the consequent event (square jumping) caused gradual changes in the subjects' degree of their SoA. By comparing the above theoretical hypothesis with the experimental results, we concluded that the update (adaptation) rule of the prediction model based on the SoA is better described by a Bayesian update than by a stochastic gradient descent.

Access to Document (DOI)

The time window for sense of agency in school-age children is diﬀerent from that in young adults

Satoshi Nobusako, Taeko Tsujimoto, Ayami Sakai, Takashi Shuto, Yuri Hashimoto, Emi Furukawa, Michihiro Osumi, Akio Nakai, Takaki Maeda, Shu Morioka

Cognitive Development (Cognitive Development) 54 ( 100891 ) 2020.05

Joint Work, Accepted, ISSN 08852014

© 2020 Elsevier Inc. Is there a difference in sense of agency between children and adults? This study investigated the difference in the time window of sense of agency between school-age children (N = 94, aged 6–12 years) and young adults (N = 30, aged 21–23 years) by using an agency attribution task and international standardized manual dexterity test. The results showed that the time window for sense of agency was significantly shorter in children compared to young adults. In addition, there was a significant correlation between the time window for sense of agency and manual dexterity only in children. The present results suggested that sensory-motor function greatly contributes to sense of agency in school-age children.

Access to Document (DOI)

せん妄ともうろう状態の概念

新井脩泰、前田貴記

臨床精神医学 49 ( 3 ) 341 - 346 2020.03

Manual dexterity is not related to media viewing but is related to perceptual bias in school-age children

Satoshi Nobusako, Taeko Tsujimoto, Ayami Sakai, Takashi Shuto, Emi Furukawa, Michihiro Osumi, Akio Nakai, Takaki Maeda and Shu Morioka

Brain Sciences (Brain Sciences) 10 ( 2 ) 100 2020.02

Accepted

© 2020 by the authors. Licensee MDPI, Basel, Switzerland. Although the media can have both negative and positive effects on children’s cognitive and motor functions, its influence on their perceptual bias and manual dexterity is unclear. Thus, we investigated the association between media viewing time, media preference level, perceptual bias, and manual dexterity in 100 school-aged children. Questionnaires completed by children and their parents were used to ascertain media viewing time and preference levels. Perceptual bias and manual dexterity were measured using the visual-tactile temporal order judgment task and Movement Assessment Battery for Children—2nd edition, respectively. There were significant positive correlations between age and media viewing time and between media viewing time and media preference level. There was also a significant negative correlation between visual bias and manual dexterity. Hierarchical multiple regression analysis revealed that increasing visual bias was a significant predictor of decreasing manual dexterity. Further, children with low manual dexterity showed significant visual bias compared to those with high manual dexterity, when matched for age and gender. The present results demonstrated that, in school-aged children, although viewing media was not associated with perceptual bias and manual dexterity, there was a significant association between perceptual bias and manual dexterity.

Access to Document (DOI)

Sense of Agency：自己意識の神経心理学

前田貴記

神経心理学 35 178 - 186 2019.12

Access to Document (DOI)

Automated inference of cognitive performance by fusing multimodal information acquired by smartphone

Hamatani T., Ochiai K., Inagaki A., Yamamoto N., Fukazawa Y., Kimoto M., Kiriu K., Kaminishi K., Ota J., Terasawa Y., Okimura T., Maeda T.

UbiComp/ISWC 2019- - Adjunct Proceedings of the 2019 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2019 ACM International Symposium on Wearable Computers (UbiComp/ISWC 2019- - Adjunct Proceedings of the 2019 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2019 ACM International Symposium on Wearable Computers) 921 - 928 2019.09

ISSN 9781450368698

© 2019 Association for Computing Machinery. Recognizing human cognitive performance is important for preserving working efficiency and preventing human error. This paper presents a method for estimating cognitive performance by leveraging multiple information available in a smartphone. The method employs the Go-NoGo task to measure cognitive performance, and fuses contextual and behavioral features to identify the level of performance. It was confirmed that the proposed method could recognize whether cognitive performance was high or low with an average accuracy of 71%, even when only referring to inertial sensor logs. Combining sensing modalities improved the accuracy up to 74%.

Access to Document (DOI)

The relationship and difference between delay detection ability and judgment of sense of agency

Osumi M, Nobusako S, Zama T, Yokotani N, Shimada S, Maeda T, Morioka S

PLoS ONE (PLoS ONE) 14 ( 7 ) e0219222 2019.07

Research paper (scientific journal), Joint Work, Accepted

© 2019 Osumi et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Judgment of agency involves the comparison of motor intention and proprioceptive/visual feedback, in addition to a range of cognitive factors. However, few studies have experimentally examined the differences or correlations between delay detection ability and judgment of agency. Thus, the present study investigated the relationship between delay detection ability and agency judgment using the delay detection task and the agency attribution task. Fifty-eight participants performed the delay detection and agency attribution tasks, and the time windows of each measure were analyzed using logistic curve fitting. The results revealed that the time window of judgment of agency was significantly longer than that of delay detection, and there was a slight correlation between the time windows in each task. The results supported a two-step model of agency, suggesting that judgment of agency involved not only comparison of multisensory information but also several cognitive factors. The study firstly revealed the model in psychophysical experiments.

Access to Document (DOI)

Subthreshold Vibrotactile Noise Stimulation Immediately Improves Manual Dexterity in a Child With Developmental Coordination Disorder: A Single-Case Study

Satoshi Nobusako, Michihiro Osumi, Atsushi Matsuo, Emi Furukawa, Takaki Maeda, Sotaro Shimada, Akio Nakai and Shu Morioka

Frontiers in Neurology (Frontiers in Neurology) 10 ( 717 ) 717 2019.07

Research paper (scientific journal), Joint Work, Accepted

Copyright © 2019 Nobusako, Osumi, Matsuo, Furukawa, Maeda, Shimada, Nakai and Morioka. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. Developmental coordination disorder (DCD) is the most common childhood movement disorder. It is characterized by clumsiness of fine and gross motor skills in developing children. Children with DCD have low ability to effectively use tactile information for movements, instead relying on visual information. In addition, children with DCD have deficits in visuo-motor temporal integration, which is important in motor control. These traits subsequently lead to clumsiness of movements. Conversely, however, imperceptible vibrotactile noise stimulation (at 60%-intensity of the sensory threshold) to the wrist provides stochastic resonance (SR) phenomenon to the body, improving the sensory and motor systems. However, the effects of SR have not yet been validated in children with DCD. Thus, we conducted a single case study of a 10-year-old boy with a diagnosis of DCD to investigate the effect of SR on visual dependence, visuo-motor temporal integration, and manual dexterity. SR was provided by vibrotactile noise stimulation (at an intensity of 60% of the sensory threshold) to the wrist. Changes in manual dexterity (during the SR on- and off-conditions) were measured using the manual dexterity test of the Movement Assessment Battery for Children-2nd edition. The point of subjective equality measured by visual or tactile temporal order judgment task served as a quantitative indicator reflecting specific sensory dependence. The delay detection threshold and steepness of delay detection probability curve, which were measured using the delayed visual feedback detection task, were used as quantitative indicators of visuo-motor temporal integration. The results demonstrated alleviated visual dependence and improved visuo-motor temporal integration during the SR on-conditions rather than the SR off-conditions. Most importantly, manual dexterity during the SR on-conditions was significantly improved compared to that during the SR off-conditions. Thus, the present results highlighted that SR could contribute to improving poor movement in children with DCD. However, since this was a single case study, a future interventional study with a large sample size is needed to determine the effectiveness of SR for children with DCD.

Access to Document (DOI)

精神病理学と生物学の連繋　―ありうべき方法論―

前田貴記

精神科治療学 34 ( ６ ) 613 - 619 2019.06

Research paper (scientific journal), Single Work

主体性の精神医学　精神病理学と生物学とが重なるところ

前田貴記

精神医学 (医学書院) 61 ( 5 ) 507 - 515 2019.05

Research paper (scientific journal), Single Work

Predicting anxiety state using smartphone-based passive sensing

Fukazawa Y., Ito T., Okimura T., Yamashita Y., Maeda T., Ota J.

Journal of Biomedical Informatics (Journal of Biomedical Informatics) 93 103151 2019.05

Accepted, ISSN 15320464

© 2019 Elsevier Inc. This study predicts the change of stress levels using real-world and online behavioral features extracted from smartphone log information. Previous studies of stress detection using smartphone data focused on a single feature and did not consider all features simultaneously. We propose a method to extract a co-occurring combination of a user's real-world and online behavioral features by converting raw sensor data into categorical features. We conducted an experiment in which the State Trait Anxiety Inventory (STAI) was used to assess the anxiety-related stress levels of 20 healthy participants. The participants installed a log-collecting application on their smartphones and answered the STAI questions once a day for one month. The proposed method showed an F-score of 74.2%, which is 4.0% higher than the F-score of previous studies (70.2%) that used single non-combined features. The results demonstrate that anxiety-related stress levels can be predicted using combined features extracted from smartphone log data.

Access to Document (DOI)

Dysconnectivity of the Agency Network in Schizophrenia: a Functional Magnetic Resonance Imaging Study

Akihiro Koreki, Takaki Maeda, Tsukasa Okimura, Yuri Terasawa, Toshiaki Kikuchi, Satoshi Umeda, Shiro Nishikata, Tatsuhiko Yagihashi, Mari Kasahara, Chiyoko Nagai, Yasushi Moriyama, Ryosuke Den, Tamotsu Watanabe, Hirotsugu Kikumoto, Motoichiro Kato and Masaru Mimura

Frontiers in Psychiatry-Schizophrenia (Frontiers in Psychiatry) 10 ( APR ) 171 2019.04

Joint Work, Accepted

Copyright © 2019 Koreki, Maeda, Okimura, Terasawa, Kikuchi, Umeda, Nishikata, Yagihashi, Kasahara, Nagai, Moriyama, Den, Watanabe, Kikumoto, Kato and Mimura. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. Background: Self-disturbances in schizophrenia have recently been explained by an abnormality in the sense of agency (SoA). The cerebral structures of SoA in healthy people are considered to mainly include the insula and inferior parietal lobule. In contrast, the functional lesion of aberrant SoA in schizophrenia is not yet fully understood. Considering the recent explanation of establishing SoA from the standpoint of associative learning, the “agency network” may include not only the insula and inferior parietal lobule but also the striatum. We hypothesized that aberrant SoA in schizophrenia is based on a deficit in the “agency network.” Methods: Functional magnetic resonance imaging data were acquired while patients with schizophrenia (n = 15) and matched controls (n = 15) performed our adaptation method of agency attribution task on a trial-by-trial basis to assess participants' explicit experience of the temporal causal relationship between an action and an external event with temporal biases. Analysis of functional connectivity was done using the right supramarginal gyrus and the right middle frontal gyrus as seed regions. Results: In healthy controls, analyses revealed increased activation of the right inferior parietal lobule (mainly the supramarginal gyrus), right insula, and right middle frontal gyrus as an activation of the agency condition. We defined activated Brodmann areas shown in the agency condition of healthy controls as the seed region for connectivity analysis. The connectivity analysis revealed lower connectivity between the head of the left caudate nucleus and right supramarginal gyrus in the patients compared to healthy controls. Conclusions: This dysconnectivity of the agency network in schizophrenia may lead to self-disturbance through deficits in associative learning of SoA. These findings may explain why pathological function of the striatum in schizophrenia leads to self-disturbance.

Access to Document (DOI)

Comparison of emotional processing assessed with fear conditioning by interpersonal conflicts in patients with depression and schizophrenia

Tani H., Tada M., Maeda T., Konishi M., Umeda S., Terasawa Y., Mimura M., Takahashi T., Uchida H.

Psychiatry and Clinical Neurosciences (Psychiatry and Clinical Neurosciences) 73 ( 3 ) 116 - 125 2019.03

Accepted, ISSN 13231316

© 2018 The Authors. Psychiatry and Clinical Neurosciences © 2018 Japanese Society of Psychiatry and Neurology Aim: While emotional processing is implicated in various psychiatric illnesses, its differences among diagnoses are unclear. We compared associative learning of social values in patients with depression and schizophrenia by measuring skin conductance response to interpersonal stimuli. Methods: We included 20 female outpatients each with depression and schizophrenia. They underwent Pavlovian conditioning experiments in response to a classical aversive sound, and an interpersonal stimulus that was designed to cause aversive social conditioning with actors’ faces coupled with negative verbal messages. Multiple regression analysis was performed to examine the associations between the degree of conditioned response and the clinical characteristics of the participants. Results: Conditioned responses during the acquisition phase in both conditions were higher in depression compared to schizophrenia. Patients with depression successfully showed fear conditioning in both conditions, and they exhibited slower extinction in the interpersonal condition. The conditioned response during the extinction phase showed a positive association with Emotion Regulation Questionnaire Expressive Suppression score, and a negative association with the Emotion Regulation Questionnaire Cognitive Reappraisal score and the use of antidepressants. Patients with schizophrenia did not become conditioned in either of the conditions. The Positive and Negative Syndrome Scale Negative Syndrome score was negatively associated with the degree of conditioned response during the acquisition phase in the interpersonal condition. Conclusion: Female patients with schizophrenia, especially those who prominently demonstrated negative symptoms, suggested their intrinsic impairments in the associative learning of social context. Antidepressants and adaptive emotional regulation strategy may enhance the extinction learning of aversive social conditioning in depression.

Access to Document (DOI)

Physiological Stress Level Estimation Based on Smartphone Logs

Yamamoto N., Ochiai K., Inagaki A., Fukazawa Y., Kimoto M., Kiriu K., Kaminishi K., Ota J., Okimura T., Terasawa Y., Maeda T.

2018 11th International Conference on Mobile Computing and Ubiquitous Network, ICMU 2018 (2018 11th International Conference on Mobile Computing and Ubiquitous Network, ICMU 2018) 2019.02

Accepted, ISSN 9784907626341

© 2018 IPSJ. Recently, inferring the state of people's mental health via passive mobile sensing has attracted significant attention. Previous studies have used the self-assessed stress levels as the ground truth; however, these are subjective measures. In this study, we use a physiologically-assessed stress metric to minimize the effect of participant subjectivity and further estimate it using behavioral features based on the smartphone usage logs. We initially requested the study participants (39 participants) to attach heart rate sensors for 8 hours per day and simultaneously collected continuous heart rate data and smartphone logs for 42 days. Further, we divided the participants into four types via clustering using the behavioral features derived from their smartphone sensor logs and trained each model via supervised learning using the heart rate data as the ground truth. Our results exhibit that the proposed method is more accurate (71%) as compared to the baseline method (54%). This demonstrates that physiologically-assessed stress levels can be estimated based on the implicit features that are gathered from the smartphone logs.

Access to Document (DOI)

Analyzing the relationship between cognitive performance and time to find intended mobile app

Ochiai K., Yamamoto N., Hamatani T., Fukazawa Y., Kimoto M., Terasawa Y., Kiriu K., Kaminishi K., Ota J., Okimura T., Maeda T.

UbiComp/ISWC 2018 - Adjunct Proceedings of the 2018 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2018 ACM International Symposium on Wearable Computers (UbiComp/ISWC 2018 - Adjunct Proceedings of the 2018 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2018 ACM International Symposium on Wearable Computers) 1686 - 1690 2018.10

ISSN 9781450359665

© 2018 Association for Computing Machinery. Although mental illness is one of the most serious social problems, stress does not necessarily have a negative effect, on the contrary, an optimal amount of stress can result in individuals being able to perform better in tasks. While there have been several studies on estimating stress level from smartphone usage logs and several effective features were revealed as a result, there are few studies on estimating cognitive performance. Thus, in this paper, we explore several factors affecting the estimation of cognitive performance from smartphone logs. To conduct the analysis, we collected smartphone usage logs and Go/No-Go task data for 6 weeks from 39 participants in the wild. We found that the time to find intended app is related to cognitive performance. This result suggests that measuring the time to find intended app can be the effective feature of estimating cognitive performance from smartphone logs.

Access to Document (DOI)

The Readiness Potential Reflects the Reliability of Action Consequence

Wen Wen, Rin Minohara, Shunsuke Hamasaki,''Maeda,'' Takaki, Qi An, Yusuke Tamura, Hiroshi Yamakawa, Atsushi Yamashita, Hajime Asama

SCIENTIFIC REPORTS (Scientific Reports) 8 ( 1 ) 11865 2018.08

Research paper (scientific journal), Joint Work, Accepted

© 2018, The Author(s). Humans are capable of associating actions with their respective consequences if there is reliable contingency between them. The present study examined the link between the reliability of action consequence and the readiness potential (RP), which is a negative potential observed from about 1–2 s prior to the onset of an action with electroencephalography. In a condition of constant outcome, the participants’ voluntary action always triggered beep sounds; thus, they were able to perceive the contingency between their action and the sound. In contrast, in a condition of inconstant outcome, the participants’ actions only triggered the sound in half the trials. We found that both the early and late RPs were larger in the condition of constant compared to the condition of inconstant outcome. Our results showed that the RPs preceding the voluntary action reflected the reliability of action consequence. In other words, the action-effect contingency enhanced neural activities prior to the action.

Access to Document (DOI)

メンタルヘルスのセルフケアに向けたスマートフォンからのストレス状態推定の取り組み

''Maeda,'' Takaki

行動変容と社会システム 4 2018.06

Joint Work

Recognizing whether a person is eating alone or has company by using wearable devices

Kiriu K., Ochiai K., Inagaki A., Yamamoto N., Fukazawa Y., Kimoto M., Okimura T., Terasawa Y., Maeda T., Ota J.

2017 10th International Conference on Mobile Computing and Ubiquitous Network, ICMU 2017 (2017 10th International Conference on Mobile Computing and Ubiquitous Network, ICMU 2017) 2018-January 1 - 2 2018.04

ISSN 9784907626310

© 2017 IPSJ. Mental health has received increasing attention in recent years, and a correlation between social interaction during eating and mental health noted. The purpose of this research is to determine if wearable devices can be used to recognize whether a person is eating alone or has company. Using a watch-type device and smartphone, the data, while eating in daily life, was collected. Using this data, we were able to recognize whether a person is eating alone or has company with an accuracy of 96.3%.

Access to Document (DOI)

主体性の精神病理学―“自我障害”から症状論・病態論・治療回復論について考える―

''Maeda,'' Takaki

精神科治療学 33 ( 1 ) 5 - 12 2018

Research paper (scientific journal), Single Work

統合失調症に特異的な神経認知障害はあるか？

''Maeda,'' Takaki

精神神経学雑誌 (日本精神神経学会) 120 ( 10 ) 904 - 913 2018

Research paper (scientific journal), Joint Work

運動主体感に着目したリハビリへのモデル・ベーストアプローチ

''Maeda,'' Takaki

日本ロボット学会誌 35 ( 7 ) 16 - 21 2017

Research paper (other academic), Joint Work

自己意識の神経心理学の試み

''Maeda,'' Takaki

高次脳機能研究 (一般社団法人日本高次脳機能障害学会) 36 ( 3 ) 86 - 91 2016.09

Research paper (scientific journal), Single Work

神経心理からみた陽性症状.　

''Maeda,'' Takaki

臨床精神医学　 (アークメディア) 45 ( 8 ) 1009 - 1014 2016.08

Joint Work

Strength of Intentional Effort Enhances the Sense of Agency.

Minohara R, Wen W, Hamasaki S,''Maeda,'' Takaki,Kato M, Yamakawa H, Yamashita A and Asama H.

Frontier in Psychology 1165 2016.07

Joint Work

一級症状の特異性について“In aller Bescheidenheit”という表現を巡って．

''Maeda,'' Takaki

精神医学 58 ( 6 ) 528 - 531 2016

Slow dynamics perspectives on the Embodied-Brain Systems Science

Shiro Yano,''Maeda,'' Takaki,Toshiyuki Kondo

Neuroscience Research ( 104 ) 52 - 55 2016

Joint Work

Conrad, K.　の「統合失調症のはじまり」

''Maeda,'' Takaki

精神科治療学 (（株）星和書店) 31 ( 6 ) 723 - 729 2016

ラバーハンド錯覚における筋電位および皮膚電位反応の解析

''Maeda,'' Takaki

計測自動制御学会論文集 (計測自動制御学会) 51 ( 6 ) 440 - 447 2015.06

Joint Work

自我の脳科学から考える統合失調症.　　　

''Maeda,'' Takaki

こころの科学１８０号　創刊30周年記念増大号 (日本評論社) 3 79 - 86 2015.03

Single Work

SIMULATION OF THE CAPACITY AND PRECISION OF WORKING MEMORIY IN THE HYPODOPAMINERGIC STATE: RELEVANCE TO SCHIZOPHRENIA

Tsukasa Okimura, Shoji Tanaka,''Takaki Maeda,'', Motoichiro Kato, Masasu Mimura

Neuroscience ( 295 ) 80 - 89 2015

Joint Work

“自我”の精神病理学から考える統合失調症.

''Maeda,'' Takaki

臨床精神医学 (星和書店) 44 ( 5 ) 701 - 706 2015

Fear Conditioning Induced by Interpersonal Conflicts in Healthy Individuals

Tada M, Uchida H,''Maeda,'' Takaki,Konishi M, Umeda S, Terasawa Y, Nakajima S, Mimura M, Miyazaki T, Takahashi T

PLoS One 10 ( 5 ) e0125729 2015

Joint Work

Behavioral evidence of delayed prediction signals during agency attribution in patients with schizophrenia

Akihiro Koreki,''Maeda,'' Takaki, Hirokata Fukushima, Satoshi Umeda, Keisuke Takahata, Tsukasa Okimura, Michitaka Funayama, Satoru Iwashita, Masaru Mimura, Motoichiro Kato

Psychiatry Research, in press 230 ( 1 ) 78 - 83 2015

Joint Work

接触欠損パラノイド

''Maeda,'' Takaki

老年精神医学雑誌 (株式会社ワールドプランニング) 25 ( 10 ) 1091 - 1098 2014.10

Joint Work

ワーキングメモリと社会的行動

''Maeda,'' Takaki

老年精神医学雑誌 25 ( 5 ) 522 - 529 2014.05

体感幻覚ー身体の非自己化の体験

''Maeda,'' Takaki

BRAIN and NERVE 66 ( 4 ) 363 - 366 2014

Joint Work

器質性疾患に伴う精神症状の診かた

''Maeda,'' Takaki

Clinical Neuroscience (中外医学社) 31 ( 11 ) 1252-1253 2013.11

Research paper (scientific journal), Single Work

Neural substrates for judgment of self-agency in ambiguous situations

Hirokata Fukushima, Yurie Goto, Takaki Maeda, Motoichiro Kato, Satoshi Umeda

PLoS One 8 ( 8 ) e72267 2013.08

Accepted

Access to Document (DOI)

Neural substrates for judgment of self-agency in ambiguous situations

Hirokata Fukushima, Yurie Goto,''Maeda,'' Takaki Takaki Maeda, Motoichiro Kato, Satoshi Umeda

PLoS One 8 ( 8 ) e72267 2013.07

Research paper (scientific journal), Joint Work

仮性幻覚（偽幻覚）

''Maeda,'' Takaki

精神科治療学 28 ( 2 ) 248-251 2013.02

Research paper (scientific journal), Single Work

Activeness improves cognitive performance in human-machine interaction

Yusuke Tamura, Mami Egawa, Shiro Yano, ''Takaki Maeda'' , Motoichiro Kato, Hajime Asama

Journal of Advanced Computational Intelligence and Intellligent Informatics 17 ( 3 ) 425-432 2013

Research paper (scientific journal), Joint Work

Reduced sense of agency in chronic residual schizophrenia with predominant negative symptoms

''Maeda,'' Takaki, Keisuke Takahata, Taro Muramatsu, Tsukasa Okimura, Akihiro Koreki, Satoru Iwashita, Masaru Mimura, and Motoichiro Kato

Psychiatry Research(in press) 209 ( 3 ) 386 - 392 2013

Research paper (scientific journal), Joint Work

統合失調症に特異的な強迫症状.

''Maeda,'' Takaki

精神科治療学 27 1559-1561 2012.12

Research paper (scientific journal), Single Work

It's Not My Fault: Postdictive Modulation of Intentional Binding by Monetary Gains and Losses.

Takahata K,Takahashi H,''Maeda,'' Takaki,Umeda S,Suhara T,Mimura M, Kato M.

PLoS One 7 ( 12 ) e53421 2012.12

Research paper (scientific journal), Joint Work

Relationship between Sense of Agency and Task Performance in Target Search Task

Yusuke Tamura, Mami egawa, Shiro Yano, Yoshinori Yumita, ''Maeda,'' Takaki, Motoichiro Kato, and Hajime Asama

Proceedings of the 2012 ICME (International Conference on Complex Medical Engineering) 392-396 2012.07

Research paper (conference, symposium, etc.), Joint Work

Aberrant sense of agency in patients with schizophrenia: forward and backward over-attribution of temporal causality during intentional action.

''Maeda,'' Takaki, Motoichiro Kato, Taro Muramatsu, Satoru Iwashita, Masaru Mimura, Haruo Kashima

Psychiatry Research 198 1-6 2012

Research paper (scientific journal), Joint Work

高機能広汎性発達障害におけるP-Fスタディ（成人用）の特徴（原著論文）

''Maeda,'' Takaki

精神医学研究所業績集 47 104-105 2012

Research paper (scientific journal), Joint Work

統合失調症における"結びつき体験"の時間論自己と外界との時間的因果連関の病理（会議録）

''Maeda,'' Takaki

臨床精神病理 33 98-99 2012

Research paper (scientific journal), Joint Work

子宮筋腫を契機として「悪魔つき」を呈した統合失調症の憑依妄想（させられ体験）と解離性の憑依との鑑別．(会議録)

''Maeda,'' Takaki

臨床精神病理 33 100-101 2012

Research paper (scientific journal), Joint Work

Risperidoneからquetiapineへの切り替え後に認知機能検査の成績改善がみとめられた統合失調症の一例

''Maeda,'' Takaki

精神科治療学 26 99-104 2011

Research paper (scientific journal), Single Work

統合失調症の思考と言語－抽象と具象の混淆

''Maeda,'' Takaki

MARTA 9 ( 1 ) 14-17 2011

Research paper (scientific journal), Single Work

DSM-5ドラフトにおけるschizophreniaの診断基準改定の論点

''Maeda,'' Takaki

精神科治療学 25 1005-1010 2010

Research paper (scientific journal), Single Work

統合失調症前駆状態における"結びつき体験"について－他人とチャンネルが合ってしまうという訴え

''Maeda,'' Takaki

臨床精神病理 31 32 - 33 2010

Research paper (scientific journal), Joint Work

統合失調症における具象化傾向（concreteness）と過包括（over-inclusion）

''Maeda,'' Takaki

Schizophrenia Frontier 11 207-212 2010

Research paper (scientific journal), Single Work

両側前頭葉損傷に出現したforced gazing(強制凝視)について

''Maeda,'' Takaki

高次脳機能研究 29 ( 01 ) 40-48 2009.01

Research paper (scientific journal), Single Work

古典再訪・Klaus Conrad「Die biginnende Schizophrenie: Versuch einer Gestaltanalyse des Wahns」

'Maeda,' Takaki

Schizophrenia Frontier 10 ( 1 ) 69-72 2009.01

Research paper (scientific journal), Single Work

広汎性発達障害事例におけるロールシャッハ・プロトコルの質的検討―統合失調症との鑑別―

''Maeda,'' Takaki

日本大学文理学部心理臨床センター紀要 6 ( 1 ) 9-57 2009

Research paper (scientific journal), Single Work

統合失調症の前駆状態の精神病理－　一級症状の形成機構

''Maeda,'' Takaki

精神科治療学 24 915-921 2009

Research paper (scientific journal), Single Work

統合失調症の仮性幻覚について

''Maeda,'' Takaki

Sｃhizophrenia Frontier 10 112-116 2009

Research paper (scientific journal), Joint Work

"Sense of Agency Effected by Causal Relationship Between Motor Command and Sensory Feedback "

M. Murabayashi, Y. Ikemoto, M. Otake,''Maeda,'' Takaki, Kato, H. Asama

Proceedings of 3rd International Symposium on Mobiligence (Mobiligence'09) 304-307 2009

Research paper (scientific journal), Single Work

"Analysis of the Sense of Agency using a Tactile Device".

M. Murabayashi, Y. Ikemoto, M. Otake, ''Maeda,'' Takaki, M. Kato, H. Asam

Proc. 17th CISM-IFToMM Symposium on Robot Design, Dynamics, and Control (RoMansy 2008) 35-42 2008.07

Research paper (scientific journal), Single Work

Gaze-triggered orienting is reduced in chronic schizophrenia.

AkiyamaT,Kato M,'Maeda,' Takaki,HaraT,KashimaH

Psychiatry Res. 158 ( 3 ) 287-296 2008.04

Research paper (scientific journal), Single Work

統合失調症の自我障害の形成機構ー主観性の神経心理学

'Maeda,' Takaki Kashima,Haruo

Schizophrenia Frontier 8 ( 4 ) 239-246 2008.01

Research paper (scientific journal), Single Work

西丸四方「分裂性体験の研究」論文を読む

'Maeda,' Takaki Kashima Haruo

Schizophrenia Frontier 8 ( 4 ) 297 - 298 2008.01

Research paper (scientific journal), Joint Work

Gaze-triggered orienting is reduced in chronic schizophrenia

Tomoko Akiyama, Motoichiro Kato, Taro Muramatsu''Maeda,'' Takaki Tsunekatsu Hara, Haruo Kashima

Psychiatry Research 158 287 - 296 2008

Research paper (scientific journal), Joint Work

Experimental Analysis and Computational Simulation of the Attribution of Own Actions by the Multiple Forward Models

Mihoko Otake, Kohei Arai, Motoichiro Kato, Takaki Maeda, Yusuke Ikemoto, Kuniaki Kawabata, Toshihisa Takagi, and Hajime Asama

Proceedings of IEEE International Conference on Robotics and Biomimetics 1417-1421 2007

Research paper (scientific journal), Single Work

Experimental Analysis of the Attribution of Own Actions to the Intention of Self or Others by the Multiple Forward Models”

Mihoko Otake, Kohei Arai, Motoichiro Kato, Takaki Maeda, Yusuke Ikemoto, Kuniaki Kawabata, Toshihisa Takagi, and Hajime Asama

Journal of Robotics and Mechatronics 19 ( 4 ) 482-488 2007

Research paper (scientific journal), Single Work

他者の視線・意図理解および行為における意志作用感の神経機構に関する検討ー社会的認知が可能なロボットの設計をめざして

'Maeda,' Takaki

計測と制御 46 ( 12 ) 940-944 2007

Research paper (scientific journal), Single Work

統合失調症における意思作用感のモデリングとシミュレーション

'Maeda,' Takaki

電子情報通信学会技術報告 106 ( 590 ) 41-44 2007

Research paper (scientific journal), Single Work

右側頭・頭頂葉出血後、嫉妬妄想が出現した１例

''Maeda,'' Takaki

精神医学 49 369－376 2007

Research paper (scientific journal), Joint Work

統合失調症における主観的時間体験と自己意識

''Maeda,'' Takaki

臨床精神病理 28 70-71 2007

Research paper (scientific journal), Single Work

統合失調症の自我障害の神経心理学的研究（sense of agencyについて）－自我障害から発症機構について考える．

''Maeda,'' Takaki

脳と精神の医学 18 205-209 2007

Research paper (scientific journal), Joint Work

アスペルガー障害のロールシャッハ・テスト－スキゾイド・統合失調症との鑑別．（会議録）

''Maeda,'' Takaki

精神神経学雑誌 109 55 2007

Research paper (conference, symposium, etc.), Single Work

アスペルガー症候群とシゾイドパーソナリティー障害　臨床的あるいは生物学的視点から考える　アスペルガー障害のロールシャッハ・テスト　スキゾイド・統合失調症との鑑別(会議録)

''Maeda,'' Takaki

精神神経学雑誌特別 S161 2006

Research paper (scientific journal), Single Work

パーソナリティ障害と広汎性発達障害

''Maeda,'' Takaki

こころのりんしょうa・la・carte 25 507-511 2006

Research paper (scientific journal), Single Work

高機能広汎性発達障害のロールシャッハ・テストの特徴ー大学生の3事例の検討

''Maeda,'' Takaki

ロールシャッハ法研究 10 3－15 2006

Research paper (scientific journal), Joint Work

統合失調症の自我障害の神経心理学

''Maeda,'' Takaki

カレントテラピー 24 625－629 2006

Research paper (scientific journal), Joint Work

プラウダー・ウィリ症候群

''Maeda,'' Takaki

臨床精神医学 35 582－583 2006

Research paper (scientific journal), Joint Work

統合失調症の自我障害の症状分析－　意志の精神病理学

''Maeda,'' Takaki

臨床精神病理 27 63－64 2006

Research paper (scientific journal), Joint Work

超皮質性運動失語で発症した孤発性Creutzfeldt-Jakob病

''Maeda,'' Takaki

高次脳機能研究 26 ( 89 ) 2006

Research paper (scientific journal), Joint Work

統合失調症の認知機能障害研究の方法論－陽性症状の形成機構の検討.

''Maeda,'' Takaki

Schizophrenia Frontier 7 233-237 2006

Research paper (scientific journal), Single Work

統合失調症の発症準備の脳機構　予防を展望して　統合失調症の自我障害の神経心理学的研究　sense of agencyについて．神経化学 45:259,2006.

''Maeda,'' Takaki

神経化学 45 259 2006

Single Work

精神病理学と神経心理学・前頭葉損傷と統合失調症の検討をふりかえって

''Maeda,'' Takaki

臨床精神病理 26 107－121 2005

Research paper (scientific journal), Joint Work

広汎性発達障害のロールシャッハ・テスト－統合失調症との鑑別

''Maeda,'' Takaki

Schizophrenia Frontier 6 199-204 2005

Research paper (scientific journal), Joint Work

意志作用感．

''Maeda,'' Takaki

臨床精神医学 34 1584-1585 2005

Research paper (scientific journal), Single Work

広汎性発達障害（自閉性障害・アスペルガー障害）の診断

''Maeda,'' Takaki

治療87増刊 1324－1328 2005

Research paper (scientific journal), Single Work

統合失調症の自我障害の脳科学．

''Maeda,'' Takaki

MARTA 3 ( 4 ) 13-16 2005

Research paper (scientific journal), Single Work

覚醒剤精神病におけるChromogranin A遺伝子の解析

''Maeda,'' Takaki

科学技術振興調整費目標達成型脳科学研究「依存性薬物により誘発される精神障害の機構の解明の研究」平成16年度調査研究成果報告書 102-109 2005

Research paper (scientific journal), Single Work

知覚体験の成立機構について－統合失調症の異常知覚体験を理解するための予備的考察

''Maeda,'' Takaki

臨床精神病理 26 99-101 2005

Research paper (scientific journal), Single Work

統合失調症の認知機能障害と治療メカニズム −自己意識の障害について（sense of agencyを中心に）−

MAEDA TAKAKI

Schizophrenia Frontier 5 ( 4 ) 75−80 2004.11

Research paper (scientific journal), Single Work

22q11.2欠失症候群とプラダー・ウィリ症候群の神経心理学

加藤元一郎,　前田貴記

神経心理学 20 ( 3 ) 150-156 2004.09

Research paper (scientific journal), Joint Work

No association found between the type 1 sigma receptor gene polymorphisms and methamphetamine abuse in the Japanese population-- A collaborative study by the Japanese genetics initiative for drug abuse. In Current Status of Drug Dependence/Abuse Studies.

<Inada T, Iijima Y, Uchida N,''Maeda,'' Takaki(/)-#HR , Iwashita S, Ozaki N, Harano M, Komiyama T, Yamada M, Sekine Y, Iyo M, Sora I and Ujike HU

Cellular and Molecular Mechanisms of Drugs of Abuse and Neurochemistry. Ali SF, Nabeshima　and Yanagita ed, Ann NY Acad Sci 1025 27-33 2004

Research paper (scientific journal), Single Work

Prader-Willi症候群の視覚認知特性について

''Maeda,'' Takaki

高次脳機能研究 24 59-60 2004

Research paper (scientific journal), Single Work

統合失調症における「自他帰属性」の意識の障害.

''Maeda,'' Takaki

臨床精神病理 25 46-48 2004

Research paper (scientific journal), Single Work

覚せい剤精神病におけるChromogranin B 遺伝子の解析－第2報

''Maeda,'' Takaki

科学技術振興調整費目標達成型脳科学研究「依存性薬物により誘発される精神障害の機構の解明の研究」平成15年度調査研究成果報告書 137-145 2004

Research paper (scientific journal), Single Work

知覚の体制化の異常について－統合失調症の症状形成機構の神経心理学的検討.

''Maeda,'' Takaki

Schizophrenia Frontier 4 101-107 2003

Research paper (scientific journal), Single Work

知覚対象のアスペクトの「自」-「他」帰属性の判別について　統合失調症の異常知覚体験を「了解」するための考察．

''Maeda,'' Takaki

臨床精神病理 24 64-65 2003

Research paper (scientific journal), Single Work

アスペルガー症候群における視知覚の能動的過程の異常について.

''Maeda,'' Takaki

高次脳機能研究 23 52-53 2003

Research paper (scientific journal), Single Work

統合失調症の認知機能障害について

Maeda Takaki, Kashima Haruo

Pharma medica 20 ( 11 ) 35-40 2002.11

Research paper (scientific journal), Joint Work

精神分裂病の知覚異常の形式について臨床精神病理

''Maeda,'' Takaki

臨床精神病理 23 83-84 2002

Research paper (scientific journal), Single Work

グラフィック・ロールシャッハテスト(慶應版) ―視知覚の体制化の神経心理学的検査法―

Maeda Takaki，Katou Motoichirou，Muramatsu Tarou，Kashima Haruo

脳と精神の医学 12 ( 2 ) 149-155 2001.06

Research paper (scientific journal), Joint Work

覚せい剤精神病におけるDopamine Transporter(hDAT1)遺伝子の相関研究

''Maeda,'' Takaki

日本神経精神薬理学雑誌 21 234 2001

Research paper (scientific journal), Joint Work

背外側前頭前野の機能及びその左右差について　Graphic Rorschach Test(Keio Version)を用いた検討.

''Maeda,'' Takaki

神経心理学 17 300 2001

Research paper (scientific journal), Joint Work

精神分裂病の知覚異常について－Graphic Rorschach Test(Keio Version)を用いた検討.

''Maeda,'' Takaki

臨床精神病理 22 72-73 2001

Research paper (scientific journal), Joint Work

前頭葉損傷における知覚異常について－Graphic Rorschach Test(Keio Version)を用いた検討.

''Maeda,'' Takaki

神経心理学 16 275 2000

Research paper (scientific journal), Single Work

脳出血急性期に一過性に視覚保続と聴覚保続が出現した1例.

''Maeda,'' Takaki

神経心理学15：254,1999. 神経心理学 15 254 1999

Research paper (scientific journal), Joint Work

左視床梗塞に伴うproper name anomiaの1例

''Maeda,'' Takaki

失語症研究 18 48 1998

Research paper (scientific journal), Joint Work

半側空間無視、構成失行を伴った前脈絡叢動脈症候群（Monakow症候群）

''Maeda,'' Takaki

神経内科 48 577-579 1998

Research paper (scientific journal), Joint Work

急性錯乱状態を来たしparaneoplastic syndromeが疑われた卵巣腫瘍の一例

''Maeda,'' Takaki

神奈川医学会雑誌25：,. 神奈川医学会雑誌 25 315 1998

Research paper (scientific journal), Joint Work

　 Previous page - Next page 　