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Cross-Modal Multivariate Pattern Analysis
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Revisiting the empirical case against perceptual modularity.

Farid Masrour1, Gregory Nirshberg1, Michael Schon1

  • 1Department of Philosophy, University of Wisconsin-Madison , Madison, WI, USA.

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The human perceptual system is not fully encapsulated, meaning higher-level cognitive factors influence perception. Cognitive neuroscience data resolves the debate, showing perception is influenced by beliefs and expectations.

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cognitive penetrationencapsulationmodularityperceptionpsychophysicsvision disorders

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Area of Science:

  • Cognitive Science
  • Neuroscience
  • Philosophy of Mind

Background:

  • The encapsulation thesis posits a strictly hierarchical perceptual system.
  • Debate exists on whether top-down influences (beliefs, expectations) affect perception.
  • Psychological findings on top-down influences have reached an interpretive impasse.

Purpose of the Study:

  • To address the impasse in the debate over perceptual encapsulation.
  • To investigate the role of cognitive factors in human perception.
  • To determine if perception is influenced by higher-level cognitive states.

Main Methods:

  • Critically analyzed methodological limitations of psychophysical experiments.
  • Integrated data from cognitive neuroscience research.
  • Examined evidence for and against the encapsulation thesis.

Main Results:

  • Psychophysical experiments alone are insufficient to resolve the encapsulation debate.
  • Cognitive neuroscience data provides crucial evidence.
  • Findings support the view that perception is not strictly encapsulated.

Conclusions:

  • The encapsulation thesis is challenged by integrated evidence.
  • Perception is demonstrably influenced by cognitive factors like beliefs and expectations.
  • Cognitive neuroscience offers a path to resolving long-standing debates in perception research.