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Categorical Perception of Control.

Wen Wen1, Naoto Shimazaki2, Ryu Ohata2,3

  • 1Department of Precision Engineering, The University of Tokyo, Tokyo 113-8656, Japan wen@robot.t.u-tokyo.ac.jp.

Eneuro
|September 12, 2020
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Summary
This summary is machine-generated.

This study reveals that our perception of control significantly impacts how we interpret sensory information. Our brains are highly attuned to subtle shifts in control, especially near category boundaries.

Keywords:
categorical perceptionconsciousnessmotor controlsense of agencysensorimotor perceptionsignal detection theory

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human-Computer Interaction

Background:

  • The self is perceived as distinct from the external world.
  • Sensorimotor input and actions are key interaction channels.
  • Categorical perception influences how stimuli are perceived.

Purpose of the Study:

  • To investigate how the sense of control affects perception of sensorimotor input.
  • To explore this within the framework of categorical perception.
  • To understand attentional allocation related to control categories.

Main Methods:

  • Twenty human participants completed two experiments.
  • Experiment 1 measured sensitivity (d') to changes in control.
  • Experiment 2 assessed attention allocation based on control categories.

Main Results:

  • Sensitivity to control changes was higher at category boundaries than within categories.
  • Control categories influenced early attention, even when not task-relevant.
  • Perceptual systems detect small control changes near boundaries more readily than gradual physical changes.

Conclusions:

  • Perceptual and cognitive systems are sensitive to subtle control alterations.
  • Categorical perception creates distinct boundaries for control.
  • Attention is significantly modulated by perceived control categories.