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Author Spotlight: Deciphering the Cognitive and Neural Mechanisms of Gesture in Communication
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Does language shape silent gesture?
Şeyda Özçalışkan1, Ché Lucero2, Susan Goldin-Meadow2
1Georgia State University, United States.
Cognition
|December 29, 2015
Summary
Language influences co-speech gestures but not silent gestures. Silent gestures reveal a universal way humans organize and express motion events nonverbally, independent of spoken language.
Area of Science:
- Linguistics
- Cognitive Science
- Psychology
Background:
- Languages exhibit cross-linguistic variations in event organization and semantic element expression.
- Gestures can be produced with speech (co-speech) or without speech (silent gesture).
- Previous research indicates language affects co-speech gesture patterns.
Purpose of the Study:
- To investigate if cross-linguistic differences in event organization impact nonverbal event representation.
- To compare how motion events are represented in silent gestures versus co-speech gestures across languages.
- To determine if a universal semantic organization for motion events exists in gesture.
Main Methods:
- Observing speech and gesture in 40 native English and Turkish speakers (20 per language).
- Participants described physical motion events.
- Analyzing gesture production with and without accompanying speech.
Main Results:
- Co-speech gestures differed between English and Turkish speakers, confirming language influence.
- Silent gestures were identical between English and Turkish speakers in packaging and ordering motion elements.
- No cross-linguistic effect was found on silent gesture production.
Conclusions:
- Language influences co-speech gesture but not silent gesture.
- Findings suggest a natural, universal semantic organization for motion events in silent gesture.
- Humans may share a common nonverbal framework for conveying events when not constrained by spoken language.
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