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Related Experiment Videos

Do action systems resist visual illusions?

D P. Carey1

  • 1Neuropsychology Research Group, Dept of Psychology, University of Aberdeen, AB24 2UB, Aberdeen, UK

Trends in Cognitive Sciences
|March 10, 2001
PubMed
Summary
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The primate brain

Area of Science:

  • Neuroscience
  • Primate Vision
  • Visual Perception

Background:

  • Debates on the independence of visual processing modules in the primate brain are ongoing.
  • Recent research questions whether visuomotor systems are immune to visual illusions affecting perception.

Purpose of the Study:

  • To review studies investigating the impact of visual illusions on visuomotor reaching and grasping.
  • To assess the compatibility of these findings with the two-visual-systems model.

Main Methods:

  • Review of existing scientific literature on visual illusions and visuomotor responses in primates.
  • Analysis of studies examining perception-action dissociations.

Main Results:

  • Initial studies suggested independence between perceptual and motor systems.

Related Experiment Videos

  • More recent findings present a more nuanced view, with some evidence challenging complete motor independence from visual illusions.
  • Most reviewed studies can be explained by the two-visual-systems model.

    • Conclusions:

    • The relationship between visual perception and action in primates is complex.
    • While some motor independence exists, visual illusions can influence visuomotor tasks.
    • The two-visual-systems model provides a framework for understanding these interactions.