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Magnetic Resonance Derived Myocardial Strain Assessment Using Feature Tracking
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Published on: February 12, 2011

Borders, contours, and mechanism.

Mary A Peterson1

  • 1a Department of Psychology and Cognitive Science Program , University of Arizona , Tucson , USA.

Cognitive Neuroscience
|October 1, 2013
PubMed
Summary
This summary is machine-generated.

Subjective contour assignment is not from the earliest visual processing stages, as Kogo and Wagemans claim. Instead, competing object properties exist before figure assignment, indicating a distinct border processing stage.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Visual Perception

Background:

  • Kogo and Wagemans propose that subjective contours are formed early in visual processing.
  • This claim suggests immediate assignment of contours during perception.

Purpose of the Study:

  • To challenge the claim that subjective contours are assigned from the earliest processing stages.
  • To differentiate between subjective experience and the underlying perceptual mechanisms.

Main Methods:

  • Analysis of existing evidence on visual figure assignment.
  • Theoretical argument based on the competition of object properties.

Main Results:

  • Evidence suggests object properties compete before figure assignment.
  • A processing stage exists where borders are present before assignment.

Conclusions:

  • Subjective experience of contours should not be conflated with early perceptual mechanisms.
  • Visual processing involves a distinct stage for border existence prior to figure assignment.