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The feeling of fluent perception: a single experience from multiple asynchronous sources.

Pascal Wurtz1, Rolf Reber, Thomas D Zimmermann

  • 1University of Bern, Perception and Eye Movement Laboratory, Departments of Clinical Research and Neurology, Pavillon 52A, Inselspital, CH-3010 Bern, Switzerland. pascal.wurtz@dkf.unibe.ch

Consciousness and Cognition
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Summary

Perceptual fluency, the feeling of ease in perception, arises from processing speed at different visual stages. This study links fluency to distinct processing steps, enhancing our understanding of visual awareness.

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Area of Science:

  • Cognitive Neuroscience
  • Psychology
  • Visual Perception

Background:

  • Perception involves distributed, asynchronous microconsciousness.
  • Metacognitive feelings, like perceptual fluency, require theoretical extension.
  • Perceptual fluency is the subjective ease experienced during visual processing.

Purpose of the Study:

  • To extend Zeki's theory of perception to metacognitive feelings.
  • To investigate the relationship between processing speed and perceptual fluency.
  • To determine how different visual processing stages contribute to subjective fluency.

Main Methods:

  • Two experiments using briefly presented visual stimuli.
  • Task 1: Stimulus detection, varying figure-ground contrast, symmetry, and font.
  • Task 2: Stimulus discrimination, varying symmetry and font.

Main Results:

  • Stimulus detection was sensitive to figure-ground contrast but not symmetry or font.
  • Stimulus discrimination was affected by symmetry and font, but not figure-ground contrast.
  • Both detection and discrimination tasks correlated with subjective feelings of fluency.

Conclusions:

  • Subjective perceptual fluency is linked to processing speed at distinct visual stages.
  • Different visual processing stages contribute uniquely to the experience of fluency.
  • Fluency serves as a conscious correlate for various stages of visual perception.