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Creating Objects and Object Categories for Studying Perception and Perceptual Learning
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Perceived number is not abstract.

Lauren S Aulet1, Stella F Lourenco1

  • 1Department of Psychology, Emory University, Atlanta, GA30322, USA. lauren.s.aulet@emory.edu stella.lourenco@emory.edu.

The Behavioral and Brain Sciences
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Summary
This summary is machine-generated.

The approximate number system (ANS) may not represent rational numbers as perception is tied to other magnitudes, not abstract concepts. This challenges the idea that perceived number is independent and abstract.

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Area of Science:

  • Cognitive psychology
  • Numerical cognition
  • Psychophysics

Background:

  • The approximate number system (ANS) is theorized to represent rational numbers abstractly.
  • Clarke and Beck (C&B) propose number perception is abstract and possesses a second-order character.
  • This view suggests a decoupling of number from other perceptual magnitudes.

Purpose of the Study:

  • To critically evaluate the claim that the approximate number system (ANS) represents rational numbers.
  • To investigate the abstract nature of number perception versus its perceptual interdependence with other magnitudes.
  • To differentiate the conceptual nature of number from its perceptual representation.

Main Methods:

  • Review of converging evidence from visual illusions.
  • Analysis of psychophysical data on number perception.
  • Theoretical analysis of the nature of numerical representation.

Main Results:

  • Evidence suggests perceived number is not abstract but perceptually interdependent with other magnitudes.
  • Visual illusions and psychophysical data challenge the notion of abstract number perception.
  • Number as a concept is second-order, but its perceptual representation is not.

Conclusions:

  • The claim that the approximate number system (ANS) represents rational numbers based on abstract perception is questionable.
  • Perceived number is likely not abstract and is influenced by other perceptual dimensions.
  • The distinction between number as a concept and number as a percept is crucial for understanding numerical cognition.