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A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
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Modeling Similarity and Psychological Space.

Brett D Roads1, Bradley C Love1

  • 1Department of Experimental Psychology, University College London, London, United Kingdom;

Annual Review of Psychology
|August 10, 2023
PubMed
Summary

This review explores how similarity and mental representations form psychological spaces, crucial for cognition and decision-making. Understanding these cognitive processes offers a universal research language.

Keywords:
category learningembeddingpsychological spacerepresentationsimilarity

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Area of Science:

  • Cognitive Science
  • Psychology
  • Neuroscience

Background:

  • Similarity and categorization are fundamental to human cognition, enabling sense-making of environmental information.
  • These processes are vital for object recognition, decision-making, and memory formation.

Purpose of the Study:

  • To provide an overview of current knowledge on similarity and psychological spaces.
  • To discuss theories, methods, and empirical findings in the study of similarity.
  • To highlight key themes in the relationship between similarity, mental representations, and cognitive modeling.

Main Methods:

  • Review of existing literature on similarity and psychological spaces.
  • Analysis of theoretical frameworks and empirical evidence.
  • Synthesis of key themes and their implications for cognitive science.

Main Results:

  • Similarity and mental representations exhibit a duality, defining psychological spaces.
  • Second-order isomorphism enables the study of mental representations.
  • Similarity analysis offers a universally applicable research language across cognitive levels.

Conclusions:

  • Despite limitations, similarity is central to cognitive modeling.
  • The similarity-representation duality is key to understanding psychological spaces.
  • Similarity analysis provides a unifying framework for cognitive research.