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Dubious Claims about Simplicity and Likelihood: Comment on Pinna and Conti (2019).

Peter A van der Helm1

  • 1Department of Brain & Cognition, University of Leuven (K.U. Leuven), Tiensestraat 102-box 3711, B-3000 Leuven, Belgium.

Brain Sciences
|January 23, 2020
PubMed
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This study challenges claims about visual perception, arguing that simplicity and likelihood principles can explain contrast polarity phenomena in amodal completion, contrary to previous research.

Area of Science:

  • Cognitive Neuroscience
  • Visual Perception

Background:

  • Pinna and Conti (2019) explored contrast polarity in human visual perception, specifically amodal completion.
  • They proposed that simplicity and likelihood principles cannot account for these phenomena.

Purpose of the Study:

  • To re-evaluate the claims made by Pinna and Conti regarding visual perception and amodal completion.
  • To demonstrate the applicability of simplicity and likelihood principles to contrast polarity phenomena.

Main Methods:

  • Critical analysis of the assumptions and arguments presented by Pinna and Conti.
  • Theoretical evaluation of the explanatory power of simplicity and likelihood principles in visual perception.

Main Results:

  • The study argues that Pinna and Conti's first claim is based on flawed assumptions.
Keywords:
Bayesclassical information theorycontrast polaritylikelihood principlemodern information theoryperceptual organizationsimplicity principlesimplicity–likelihood equivalence

Related Experiment Videos

  • The assertion that simplicity and likelihood are equivalent principles is demonstrated to be false.

    • Conclusions:

    • Simplicity and likelihood principles are relevant and can account for contrast polarity phenomena in amodal completion.
    • The equivalence of simplicity and likelihood is not supported, necessitating a nuanced understanding of perceptual principles.