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Updated: Jan 7, 2026

Author Spotlight: Deciphering the Cognitive and Neural Mechanisms of Gesture in Communication
Published on: January 26, 2024
Anchoring in motion: How gestures shape numerical estimates
Aglaé Navarre1, André Didierjean2, Pauline Genin2
1Université Marie et Louis Pasteur, Laboratoire de Psychologie, F-25000 Besançon, France; School of Psychology, University College Dublin, Ireland.
None:
Decision-making research has shown that subtle environmental cues, such as numerical anchors or even a gesture, can shape behaviour without conscious awareness. The present study (N = 128) examined whether simple gestures, incidentally suggesting high versus low positions on a virtual vertical scale, could bias numerical estimates in a manner similar to the anchoring effect. Results revealed that high-value gestures led participants to give significantly higher estimates than low-value gestures. Strikingly, most participants reported no awareness of this influence. These findings are discussed within the framework of selective accessibility theory.
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