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Related Experiment Videos

Localization and globalization in conscious vision.

S Zeki1

  • 1Wellcome Department of Cognitive Neurology, University College London, WC1E 6BT, London United Kingdom. zeki.pa@ucl.ac.uk

Annual Review of Neuroscience
|April 3, 2001
PubMed
Summary
This summary is machine-generated.

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The primate visual brain has specialized systems that operate autonomously. This leads to distributed microconsciousnesses, suggesting vision is not a single, unified experience but a collection of asynchronous perceptual endpoints.

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Vision Science

Background:

  • The primate visual brain features multiple specialized processing systems.
  • These systems appear to operate in hierarchical stages or nodes.

Purpose of the Study:

  • To propose a model for visual consciousness based on the organization of the primate visual brain.
  • To explore the implications of autonomous processing systems and asynchronous activity on visual perception.

Main Methods:

  • Review of existing evidence on primate visual brain organization.
  • Speculative analysis based on reviewed evidence.

Main Results:

  • Postulation that visual processing systems are autonomous.

Related Experiment Videos

  • Hypothesis that activity at each node results in perceptual asynchrony.
  • Proposal that each node generates a microconsciousness, leading to distributed visual consciousness.

    • Conclusions:

    • Visual consciousness is spatially and temporally distributed.
    • Abstraction is applied independently within each processing system.
    • Integration of microconsciousnesses is a multistage, nonhierarchical process potentially involving neural mechanisms.