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Related Experiment Video

Updated: May 11, 2026

Examining Gesture Production in the Presence of Communication Challenges
07:18

Examining Gesture Production in the Presence of Communication Challenges

Published on: January 26, 2024

Gestures, but not meaningless movements, lighten working memory load when explaining math.

Susan Wagner Cook1, Terina Kuang Yi Yip, Susan Goldin-Meadow

  • 1University of Iowa.

Language and Cognitive Processes
|May 24, 2013
PubMed
Summary
This summary is machine-generated.

Gesturing benefits speakers by reducing working memory load. Meaningful gestures, not just movement, significantly improve memory recall during speech.

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Area of Science:

  • Cognitive Science
  • Psycholinguistics
  • Human Communication

Background:

  • Gesturing is a common aspect of human communication.
  • Gestures provide information to listeners.
  • Gestures also benefit speakers by reducing cognitive load on working memory.

Purpose of the Study:

  • To investigate whether the memory benefits of gesturing stem from rhythmic movement or from representing meaning.
  • To differentiate the effects of meaningful movement versus non-meaningful movement on working memory.

Main Methods:

  • Participants were asked to memorize letters while solving math problems.
  • Speakers produced different types of movements during speech: meaningful gestures, meaningless movements, or no movement.
  • Letter recall was measured to assess working memory performance.

Main Results:

  • Speakers recalled significantly more letters when producing meaningful gestures compared to meaningless movements or no movement.
  • The positive effect on working memory was dependent on the coordination between hand movements and speech content.

Conclusions:

  • The cognitive benefits of gesturing for speakers are linked to the meaningful content conveyed by the gestures, not simply the act of moving.
  • Coordinated gestures enhance working memory by integrating motor and semantic information during speech production.