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Vision01:24

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Using Visual and Narrative Methods to Achieve Fair Process in Clinical Care
14:32

Using Visual and Narrative Methods to Achieve Fair Process in Clinical Care

Published on: February 16, 2011

Transforming vision into action.

Melvyn A Goodale1

  • 1Centre for Brain and Mind, Department of Psychology, University of Western Ontario, London, ON, Canada. mgoodale@uwo.ca

Vision Research
|August 10, 2010
PubMed
Summary
This summary is machine-generated.

Vision research now emphasizes action control, not just perception. The dorsal stream guides hand movements, supporting the perception-action model of visual processing.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Visual Perception

Background:

  • Historically, vision research primarily focused on perception and cognition.
  • The role of vision in controlling actions, especially hand and limb movements, received limited attention.
  • Recent decades show a surge in research investigating vision's role in goal-directed actions and their neural underpinnings.

Purpose of the Study:

  • To review the seminal work on vision's role in controlling manual prehension (grasping).
  • To examine critical visual cues involved in manual prehension.
  • To review evidence supporting the perception-action model, particularly the dorsal stream's function.

Main Methods:

  • Literature review of research on vision and action control.
  • Examination of studies on manual prehension and visual cues.
  • Analysis of evidence for the dorsal (action) and ventral (perception) visual streams.

Main Results:

  • A new model posits distinct roles for dorsal (vision-for-action) and ventral (vision-for-perception) visual streams.
  • The dorsal stream is crucial for controlling manual prehension.
  • Visual cues are critical for successful grasping.

Conclusions:

  • The perception-action model, highlighting the dorsal stream's role in action control, is supported by significant evidence.
  • Ongoing research continues to refine our understanding of the visual system's organization.
  • Vision is integral to both perceiving the world and skillfully interacting with it.