Psychophysics and Experimental Phenomenology of Pattern Cognition

Psychophysics and Experimental Phenomenology of Pattern Cognition

1st Edition - April 4, 2023

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  • Author: Jiro Hamada
  • Paperback ISBN: 9780323952866

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Psychophysics and Experimental Phenomenology of Pattern Cognition examines the cognitive transformations that underly this cognitive system and the specialized subsystems for processing these transformations. Sections cover symmetry cognition, contour perception and geometric illusion. Weight sensation is also discussed, as are repetitive and dot patterns. By incorporating elements of both psychophysics and experimental phenomenology, pattern cognition is examined from both the physical and mental sensory perspective, thus providing a comprehensive view of this cognitive system.

Key Features

  • Examines the cognitive transformations underlying pattern cognition and the specialized subsystems for processing transformations
  • Provides an interdisciplinary psychophysics and experimental phenomenology perspective
  • Features sections that cover symmetry cognition, contour perception and geometric illusion
  • Describes weight sensation and repetitive and dot patterns


Cognitive neuroscientists, psychologists, vision scientists, researchers working in the field of visual perception and cognition, postdoctoral fellows, students in these areas

Table of Contents

  • Part 1. Symmetry cognition
    1. Rotational and reflectional transformations
    2. Goodness and simplicity of dot patterns in a regular hexagonal grid
    3. Cognitive judgments and group theoretical model for dot patterns in a square grid
    4. A three-stage model with group theory and a spatial filter for cognitive judgments
    5. Cognitive judgments for repetitive patterns
    6. Cognitive judgments for one-dimensional black-and-white filled patterns

    Part 2. Contour perception and brightness illusion
    7. Mathematical models of an antagonistic process of excitation and inhibition
    8. The brightness illusions and a five-level qualitative model based on the decrease in brightness levels
    9. A five-level qualitative model for various aspects of brightness contrast
    10. A three-level qualitative model for the Ehrenstein illusions

    Part 3. Size of the circle in a geometrical illusion
    11. The Ebbinghaus illusion as a circle size contrast
    12. The Delboeuf illusion by comparative judgment
    13. Concentric circle illusion and judgment-order effect by absolute judgments

    Part 4. Negative time-order effect on weight sensation
    14. Excitation and inhibition in negative time-order effect

Product details

  • No. of pages: 278
  • Language: English
  • Copyright: © Academic Press 2023
  • Published: April 4, 2023
  • Imprint: Academic Press
  • Paperback ISBN: 9780323952866

About the Author

Jiro Hamada

Jiro Hamada
Dr. Hamada received his Bachelor’s degree in Experimental and Mathematical Psychology (1971) from Tokushima University, his Master’s degree in Color Vision (1973) from Osaka Kyoiku University, and his PhD degree in Experimental and Mathematical Psychology (1980) from Hokkaido University in Sapporo, Japan. Based at Tokushima University since 1982, he has been Professor Emeritus since 2013. In 1991 he was a guest scientist at Department of Sensory Neurophysiology of Institut für Arbeitsphysiologie at Dortmund University, Germany. His main research areas are in symmetry cognition, contour perception, brightness illusion, geometrical illusion, and negative time-order effect on weight sensation.

Affiliations and Expertise

Hokkaido University, Babayama, Hachiman-cho, Tokushima, Japan

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