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Related Concept Videos

Perception01:28

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Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
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The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
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Related Experiment Video

Updated: Apr 8, 2026

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
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Brain networks underlying bistable perception.

Daniel H Baker1, Theodoros Karapanagiotidis1, David D Coggan1

  • 1Department of Psychology, University of York, UK.

Neuroimage
|July 1, 2015
PubMed
Summary
This summary is machine-generated.

Conscious perception relies on the Superior Parietal Lobule (SPL) regulating sensory input and maintaining focus. Its connectivity patterns influence how long we perceive bistable stimuli, like the Necker Cube.

Keywords:
Bistable perceptionConnectivityParietal cortexResting state fMRI

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Psychology

Background:

  • Bistable stimuli demonstrate experience changes without environmental changes.
  • These phenomena assess stimulus-independent conscious experience.
  • Understanding neural mechanisms of bistable perception is crucial.

Purpose of the Study:

  • To investigate the neural architecture determining dominance durations in bistable perception.
  • To use resting-state functional magnetic resonance imaging (rs-fMRI) to index stimulus-independent neural activity.
  • To explore the role of the Superior Parietal Lobule (SPL) in bistable perception.

Main Methods:

  • Utilized resting-state functional magnetic resonance imaging (rs-fMRI).
  • Analyzed functional connectivity of the Superior Parietal Lobule (SPL).
  • Examined stimuli including binocular rivalry and Necker cube.

Main Results:

  • Anterior SPL connectivity with sensorimotor cortex predicted dominance durations.
  • Posterior SPL connectivity with temporal and frontal lobes was linked to perception.
  • Specific SPL connections correlated with shorter/longer dominance in different bistable tasks.

Conclusions:

  • Anterior SPL may inhibit incongruent sensory information during perceptual rivalry.
  • Posterior SPL appears to support the current interpretation of bistable stimuli.
  • SPL's functional connectivity regulates conscious attention and environmental interpretation.