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Related Experiment Video

Updated: Jun 25, 2025

Author Spotlight: Deciphering the Cognitive and Neural Mechanisms of Gesture in Communication
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Author Spotlight: Deciphering the Cognitive and Neural Mechanisms of Gesture in Communication

Published on: January 26, 2024

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Gestures speed up responses to questions.

Marlijn Ter Bekke1,2, Linda Drijvers1,2, Judith Holler1,2

  • 1Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, the Netherlands.

Language, Cognition and Neuroscience
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Summary

Seeing co-speech hand gestures speeds up responses in conversations. This multimodality suggests visual cues aid faster processing and interaction during communication.

Keywords:
Multimodal languageconversationfacilitationgestureresponse timesturn-taking

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Area of Science:

  • Psycholinguistics
  • Cognitive Science
  • Communication Studies

Background:

  • Face-to-face conversation relies on rapid turn-taking.
  • Communicative bodily signals, like gestures, may enhance speech perception and response speed.

Purpose of the Study:

  • To investigate if co-speech hand gestures facilitate faster responses to spoken questions.
  • To determine the impact of visual gesture information on response times in a conversational context.

Main Methods:

  • Participants viewed videos of yes/no questions with and without iconic hand gestures.
  • Response times and accuracy for button presses were recorded.
  • The timing of gestures relative to speech was analyzed.

Main Results:

  • Hand gestures did not affect response accuracy.
  • Crucially, gestures significantly sped up response times.
  • The benefit of gestures was independent of their precise timing within the speech.

Conclusions:

  • Multimodal communication, integrating speech and gesture, enhances conversational efficiency.
  • Visual cues from gestures can accelerate cognitive processing, facilitating quicker responses.
  • These findings support the role of embodied cognition in real-time communication.