صورة الغلاف

Linguistic and Non-Linguistic Semantic Processing in Individuals with Autism Spectrum Disorders: An ERP Study

محفوظ في:
الحاوية / القاعدة:Journal of Autism and Developmental Disorders vol. 47, no. 3 (Mar 2017), p. 795
المؤلف الرئيسي: Coderre, Emily L
مؤلفون آخرون: Chernenok, Mariya, Gordon, Barry, Ledoux, Kerry
منشور في:
Springer Nature B.V.
الموضوعات:
Johns Hopkins University
Baltimore Maryland
United States > US
New York
Latency
Semantic priming
Priming
Semantic processing
Autistic children
Topography
Language
Autism
Brain research
Expectancy
Neurosciences
Cognition & reasoning
Studies
Event-related potentials
Linguistics
Information processing
Integration
Semantics
Written language
Stimuli
Adult development
Lexical semantics
Disorders
Adults
Groups
Language Impairments
Language Processing
Semiotics
الوصول للمادة أونلاين:Citation/Abstract
Full Text
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مستخلص:Individuals with autism spectrum disorders (ASD) experience difficulties with language, particularly higher-level functions like semantic integration. Yet some studies indicate that semantic processing of non-linguistic stimuli is not impaired, suggesting a language-specific deficit in semantic processing. Using a semantic priming task, we compared event-related potentials (ERPs) in response to lexico-semantic processing (written words) and visuo-semantic processing (pictures) in adults with ASD and adults with typical development (TD). The ASD group showed successful lexico-semantic and visuo-semantic processing, indicated by similar N400 effects between groups for word and picture stimuli. However, differences in N400 latency and topography in word conditions suggested different lexico-semantic processing mechanisms: an expectancy-based strategy for the TD group but a controlled post-lexical integration strategy for the ASD group.
تدمد:0162-3257
1573-3432
0021-9185
DOI:10.1007/s10803-016-2985-0
المصدر:Sociology Database