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Updated: Feb 15, 2026

Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology
Published on: June 29, 2021
Response Hand Differentially Affects Action Word Processing.
1Department of Psychiatry, Campus Benjamin Franklin, Charité Universitätsmedizin Berlin, Berlin, Germany.
Motor tapping tasks influence word processing, especially with non-dominant hand responses. Left-hand responses improved accuracy for hand-related action verbs, suggesting response hand impacts action word processing.
Area of Science:
- Cognitive Neuroscience
- Psycholinguistics
- Motor Control
Background:
- Theories of semantic grounding highlight perceptual and motor knowledge in language and action understanding.
- The precise role of cerebral hemispheres in integrating action-motor and language processes remains unclear.
Purpose of the Study:
- To investigate the influence of simultaneous motor tapping on action verb processing.
- To examine how response hand lateralization affects word processing in different visual fields.
Main Methods:
- Lexical decision task with uni-manual and bi-manual hand- and foot-related action verbs.
- Presentation of words in left and right visual half-fields.
- Two groups of participants performed tapping and lexical decisions with varying hand response patterns.
Main Results:
- Response hand significantly influenced functional lateralization of word processing, particularly with non-dominant hand use.
- Presenting words to the ipsilateral hemisphere relative to the lexical decision-making hemisphere decreased performance.
- Left-hand responses enhanced accuracy for hand-related action verbs compared to foot-related verbs.
Conclusions:
- Response hand plays a crucial role in action word processing.
- Motor execution lateralization impacts semantic processing of action-related language.
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