Researcher Database - KOYAMA TADASHI | Kobe Gakuin University

（Last updated : 2026-03-18 15:43:44）

KOYAMA TADASHI

Department / Course

Kobe Gakuin University The Faculty of Psychology Department of Psychology

Job Professor

Academic background
～1982	Special Needs Education Major Master Degree Osaka Kyoiku University Finished
	Kobe University Ph.D.

Business career
1982 ～ 1992	Clinical Psychologist Kyoto City Child Welfare Center
1992 ～ 1999	Associate Professor Aichi University of Education
1999 ～ 2004	Associate Professor Gifu University
2004 ～ 2018/03	Professor Kobe Gakuin University
2012/01 ～ 2012/03	Oxford Brookes University Visiting Research Fellow
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Book and thesis
2025/09	Papers	Continuity, discontinuity, and atypicality in early language acquisition Infant Behavior and Development 80,pp.102102 (Sole-authored)
2024/03/20	Books	Theories of Development (Sole-authored)
2022/08	Papers	Current research on individual differences in early expressive word acquisition. Journal of Special Education Research 11 (1),pp.11-21 (Sole-authored)
2022/07/20	Papers	The Relationship between Acquisition of Early Expressive Vocabulary and Development of Cognition and Play in Children with Intellectual Developmental Disorder at Home. The Japan Journal of Logopedics and Phoniatrics,pp.171-182 (Sole-authored)
2021/05/25	Papers	Child Language and Development of Symbolic Function The Japanese Journal of Psychiatry,pp.201-207 (Sole-authored)
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Academic conference presentation
	Fundamental development for the emergence of pointing in children with general learning difficulties. (British Psychological Society, Developmental Section Annual Conference 2021)
	Early word production and cognitive development in children with general learning difficulties. (50th Annual Meeting of Jean Piaget Society.)
2019/05	Children’s daily play at their home and early language development.
2018/05	Early gestures, actions on objects, and language comprehension in the children with developmental disorders: Precursors to language.
2013/06/06	Dynamic systems in language development of the child with severe language delay: A clinical case study. (43rd Annual Meeting of the Jean Piaget Society)

Research topic, funded research, and department laboratory expense
2018/04 ～ 2021/03	Atypical development of words production in the children with developmental disorders Grant-in-Aid for Scientific Research (C)
2010/04 ～ 2015/03	A Study of Human Learning Behavior Based on Fieldwork Among Hunter-Gatherers Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

Present specialized field
keyword(Symbolic function、Child Language Development、Dvelopmental Disorders of Language、Theories of Development)

Research Theme
Atypical development of words production in the children with developmental disorders

Belonging society
	Jean Piaget Society