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Action can influence visual perception even without conscious awareness. Performing an action towards an unseen object enhances subsequent visual processing, suggesting action amplifies sensory signals.

Keywords:
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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Visual Perception

Background:

  • Action and visual perception are closely linked.
  • Actions towards objects can bias visual processing of those objects.
  • The role of conscious awareness in this action-induced bias is unclear.

Purpose of the Study:

  • To investigate if conscious awareness of an object is required for action to bias visual processing.
  • To determine if action effects on perception occur without awareness.

Main Methods:

  • Two experiments were conducted.
  • Participants performed actions towards objects.
  • Subsequent visual search tasks assessed priming effects.

Main Results:

  • Acting towards an invisible object led to greater priming in visual search.
  • This action effect occurred even when the object was not consciously perceived.

Conclusions:

  • Conscious awareness is not necessary for action to bias visual processing.
  • Action may amplify sensory signals from subliminally presented objects during early visual processing.