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Phenomenology, Quantity, and Numerosity.

Marco Bertamini1

  • 1Department of General Psychology, University of Padova, 35131 Padova, Italy.

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Summary
This summary is machine-generated.

Our sense of quantity, or numerosity, is a direct perceptual experience, not just estimation. This perception of how many objects are present is influenced by how we visually organize them.

Keywords:
numerosityperceptual groupingphenomenology

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Area of Science:

  • Cognitive Psychology
  • Perception Science

Background:

  • Humans possess an intuitive sense of quantity, termed numerosity, when encountering collections of objects.
  • This non-symbolic numerical ability allows for rapid, effortless apprehension of approximate amounts.

Purpose of the Study:

  • To review the historical study of numerosity perception.
  • To propose that numerosity is a direct perceptual experience.
  • To argue that perceptual organization influences all numerosity experiences.

Main Methods:

  • Literature review of numerosity studies.
  • Analysis of existing research examples.
  • Theoretical argument based on perceptual principles.

Main Results:

  • Numerosity has been studied extensively throughout history.
  • Numerosity is characterized as an expressive property of object collections.
  • Perceptual organization demonstrably impacts the experience of numerosity.

Conclusions:

  • Numerosity is a fundamental, direct perceptual experience.
  • All experiences of quantity, including estimations, are modulated by perceptual organization.
  • Understanding numerosity perception offers insights into cognitive processes.