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Related Experiment Video

Updated: Apr 13, 2026

EEG Mu Rhythm in Typical and Atypical Development
11:50

EEG Mu Rhythm in Typical and Atypical Development

Published on: April 9, 2014

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How affordance similarity impacts µ rhythm desynchronization during object selection.

Lilas Haddad1, Solène Kalénine1, Yannick Wamain1

  • 1Univ. Lille, CNRS, UMR 9193 - SCALab - Sciences Cognitives et Sciences Affectives, F - 59000, France.

Biological Psychology
|April 12, 2026
PubMed
Summary

Object affordance similarity slows perceptual judgments by impacting neural motor resonance. This effect is modulated by semantic relationships between objects, influencing motor neural network activity.

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Area of Science:

  • Cognitive Neuroscience
  • Perception and Action

Background:

  • Multiple objects in visual scenes have potential actions, known as object affordances.
  • Research indicates that similar object affordances can impede perceptual judgments.

Purpose of the Study:

  • To investigate if the perceptual cost of affordance similarity is observable at the neural level.
  • To determine how and when affordance similarity affects motor neural network activity via mu rhythm desynchronization.
  • To explore the influence of thematic object relations on this neural mechanism.

Main Methods:

  • Electroencephalography (EEG) recorded from 40 participants naming target objects in 3D scenes.
  • Object pairs varied in affordance similarity (power vs. precision grips) and thematic relatedness.
  • Analysis of mu rhythm desynchronization modulations over time in response to target selection cues.
Keywords:
3D visual scenesGrip size affordancesObject selectionSemantic relationsµ rhythm

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Last Updated: Apr 13, 2026

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Uncovering Beat Deafness: Detecting Rhythm Disorders with Synchronized Finger Tapping and Perceptual Timing Tasks
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Main Results:

  • Reduced mu rhythm desynchronization observed when related objects shared similar affordances during target selection.
  • This reduction in mu rhythm desynchronization was absent when objects were unrelated.
  • Findings suggest a negative impact of affordance similarity on neural motor resonance.

Conclusions:

  • Affordance similarity negatively impacts neural motor resonance during object selection.
  • Semantic relations between objects modulate the neural effects of affordance similarity.
  • This study provides neural evidence for the interaction between object affordances, semantic memory, and motor preparation.