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Temporal order judgment reveals visual processing priorities for topological structure.

Jintao Song1, Hongyi Zhang1, Zhentao Zuo2

  • 1State Key Laboratory of Cognitive Science and Mental Health, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China; Institute of Artificial Intelligence, Hefei Comprehensive National Science Center, Hefei, China; University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, China.

Cognition
|June 11, 2025
PubMed
Summary
This summary is machine-generated.

Visual perception prioritizes topological changes, such as altered connectivity, signaling new objects. This study found topological changes are perceived earlier than non-topological ones, impacting temporal order judgment.

Keywords:
GeometryInvariance over transformationTemporal order judgmentTopological structureVisual prior entry

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Area of Science:

  • Cognitive Psychology
  • Visual Perception
  • Computational Neuroscience

Background:

  • Topological structure is vital for visual scene parsing and object identification.
  • Topological perception theory posits that changes in topological properties signal new perceptual objects.
  • The study investigates if visual processing prioritizes topological changes due to their attention-capturing nature.

Purpose of the Study:

  • To test the hypothesis that visual processing prioritizes topological changes.
  • To determine if topological changes are perceived earlier than non-topological changes.
  • To examine the role of topological properties in temporal order perception.

Main Methods:

  • Utilized the temporal order judgment (TOJ) paradigm.
  • Presented participants with two shape-changing transformations at variable intervals.
  • Required participants to report which transformation occurred earlier.

Main Results:

  • Participants consistently reported topological changes as occurring earlier than non-topological changes.
  • This priority effect was observed across various topological changes (holes, connectivity, inside/outside relations).
  • The effect was quantified by shifts in the point of subjective simultaneity (PSS).

Conclusions:

  • Visual processing priorities support the idea that topological change signifies the emergence of a new object.
  • Topological properties play a significant role in how we perceive temporal order in visual stimuli.
  • The invariance of topological properties over transformation is crucial for object recognition.