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Related Experiment Video

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A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

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Published on: July 16, 2015

On interference effects in concurrent perception and action.

Jan Zwickel1, Marc Grosjean, Wolfgang Prinz

  • 1Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany. zwickel@psy.uni-muenchen.de

Psychological Research
|February 14, 2009
PubMed
Summary
This summary is machine-generated.

Perception and action repel each other, but this interaction is not explained by common coding or internal forward modeling. Categorical representations may mediate these repulsion effects between visual motion perception and hand movement production.

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Area of Science:

  • Cognitive Neuroscience
  • Perception-Action Coupling

Background:

  • Recent research indicates repulsion effects between visual motion perception and concurrent hand movements.
  • Two models, common coding and internal forward modeling, attempt to explain these perception-action interactions.

Purpose of the Study:

  • To test predictions of common coding and internal forward modeling models regarding perception-action repulsion.
  • To investigate the relationship between the magnitude of repulsion effects in perception and action.

Main Methods:

  • Four experiments were conducted involving participants performing hand movements while simultaneously encoding visual motion direction.
  • Stimulus-response compatibility and similarity were manipulated to assess their influence on repulsion effects.

Main Results:

  • Confirmed repulsion effects: perceived motion was repelled by produced movement, and vice versa.
  • Contrary to existing models, the magnitude of repulsion effects in perception and action did not covary.
  • Repulsion effects did not vary with the degree of similarity between perceived and produced stimuli as predicted.

Conclusions:

  • Existing models of common coding and internal forward modeling do not fully account for perception-action repulsion.
  • The findings suggest that categorical representations may play a crucial role in mediating these interactions.
  • Further research is needed to elucidate the neural mechanisms underlying perception-action coupling and repulsion.