Sasaki, Miho



Faculty of Business and Commerce (Hiyoshi)


Associate Professor

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Profile Summary 【 Display / hide

  • 母語のほかにもう一つの言語システムを習得することによって,どう認知プロセスが変わっていくのか,単語(音・表記),文法,色,形などの認知について実験心理学的データを収集し,異なる習得レベルや第一・第二言語の組み合わせを比較しながら研究しています。

Academic Background 【 Display / hide

  • 2004.11

    The University of Essex, Department of Language and Linguistics, Language and Linguistics

    United Kingdom, Graduate School, Completed, Doctoral course


Research Areas 【 Display / hide

  • Humanities & Social Sciences / Linguistics

  • Humanities & Social Sciences / Experimental psychology

Research Keywords 【 Display / hide

  • Bilingualism

  • Psycholinguistics

  • Second Language Acquisition

Research Themes 【 Display / hide

  • Bilingual cognition and identity, 


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  • Language lateralisation of Japanese-English bilinguals, 


  • Picture-word interference effects in Japanese-English bilinguals on speech production, 


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    Effect of different orthographies on the picture-word interference task is investigated with Japanese-English bilinguals. The study examines how these bilinguals process English, Kanji, Hiragana, and Roma-ji along in picture naming.

  • Visual word recognition by learners of Japanese as a second language: comparisons of native signers of Japanese Sign Language and other languages, 


  • Second language reading and cognitive processes: a developmental and cross-linguistic model of bilingual processing, 


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Books 【 Display / hide

  • Second Language Writing Systems

    SASAKI MIHO, Clevedon: Multilingual Matters, 2005

    Scope: 289-308

Papers 【 Display / hide

  • Effects of orthography in the picture-word task: Evidence from Japanese scripts

    Dylman A.S., Kikutani M., Sasaki M., Barry C.

    Reading and Writing (Reading and Writing)  35 ( 1 ) 55 - 91 2022.01

    ISSN  09224777

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    The picture-word task presents participants with a number of pictured objects together with a written distractor word superimposed upon each picture, and their task is to name the depicted object while ignoring the distractor word. Depending on the specific picture and word combination, various effects, including the identity facilitation effect (e.g., DOG + dog) and the semantic interference effect (e.g., GOAT + cow), are often observed. The response patterns of the picture-word task in terms of naming latencies reflect the mechanisms underlying lexical selection in speech production. Research using this method, however, has typically focused on alphabetic languages, or involved bilingual populations, making it difficult to specifically investigate orthographic effects in isolation. In this paper, we report five experiments investigating the role of orthography in the picture-word task by varying distractor script (using the multiscriptal language Japanese, and pseudohomophonic spellings in English) across three different populations (Japanese monolinguals, Japanese-English bilinguals, and English monolinguals), investigating both the identity facilitation effect and the semantic interference effect. The results generally show that the magnitude of facilitation is affected by orthography even within a single language. The findings and specific patterns of results are discussed in relation to current theories on speech production.

  • Cerebral lateralisation of first and second languages in bilinguals assessed using functional transcranial Doppler ultrasound

    Bishop D.V.M., Grabitz C.R., Harte S.C., Watkins K.E., Sasaki M., Gutierrez-Sigut E., MacSweeney M., Woodhead Z.V.J., Payne H.

    Wellcome Open Research (Wellcome Open Research)  1 2021

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    Background: Lateralised language processing is a well-established finding in monolinguals. In bilinguals, studies using fMRI have typically found substantial regional overlap between the two languages, though results may be influenced by factors such as proficiency, age of acquisition and exposure to the second language. Few studies have focused specifically on individual differences in brain lateralisation, and those that have suggested reduced lateralisation may characterise representation of the second language (L2) in some bilingual individuals. Methods: In Study 1, we used functional transcranial Doppler sonography (FTCD) to measure cerebral lateralisation in both languages in high proficiency bilinguals who varied in age of acquisition (AoA) of L2. They had German (N = 14) or French (N = 10) as their first language (L1) and English as their second language. FTCD was used to measure task-dependent blood flow velocity changes in the left and right middle cerebral arteries during phonological word generation cued by single letters. Language history measures and handedness were assessed through self-report. Study 2 followed a similar format with 25 Japanese (L1) /English (L2) bilinguals, with proficiency in their second language ranging from basic to advanced, using phonological and semantic word generation tasks with overt speech production. Results: In Study 1, participants were significantly left lateralised for both L1 and L2, with a high correlation (r = .70) in the size of laterality indices for L1 and L2. In Study 2, again there was good agreement between LIs for the two languages (r = .77 for both word generation tasks). There was no evidence in either study of an effect of age of acquisition, though the sample sizes were too small to detect any but large effects. Conclusion: In proficient bilinguals, there is strong concordance for cerebral lateralisation of first and second language as assessed by a verbal fluency task.

  • Representation of colour concepts in bilingual cognition: The case of Japanese blues

    Athanasopoulos, P., Damjanovic, L., Krajciova, A. & Sasaki, M.

    Bilingualism: Language and Cognition 14 ( 1 ) 9-17 2010.09

    Research paper (scientific journal), Joint Work, Accepted

  • 多読による英語学習者のリーディングスキル発達に対する認知心理学的検証


    茨城大学人文学部紀要『人文コミュニケーション学科論集』 2   97-105 2007.02

    Research paper (bulletin of university, research institution), Joint Work

  • Do bilinguals have different concepts? The case of shape and material in Japanese L2 users of English

    Cook, V., Bassetti, B., Kasai, C., Sasaki, M., & Takahashi, J.A.

    International Journal of Bilingualism 10 ( 2 ) 137-152 2006

    Research paper (scientific journal), Single Work, Accepted

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Memberships in Academic Societies 【 Display / hide

  • 大学英語教育学会(JACET), 

  • The Japan Second Language Association, 

  • The European Second Language Association (EUROSLA),