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Not different kinds, just special cases.

David Danks1

  • 1Carnegie Mellon University and Institute for Human & Machine Cognition, Department of Philosophy, Pittsburgh, PA 15213, USA. ddanks@cmu.edu

The Behavioral and Brain Sciences
|June 30, 2010
PubMed
Summary
This summary is machine-generated.

A new graphical model framework unifies theories of concepts, challenging Machery's Heterogeneity Hypothesis. This approach explains categorization data, suggesting concept theories are special cases, not distinct kinds.

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Area of Science:

  • Cognitive Science
  • Philosophy of Mind
  • Theoretical Psychology

Background:

  • Machery's Heterogeneity Hypothesis posits that no single theory of concepts adequately explains all reliable categorization data.
  • Existing theories of concepts are often seen as fundamentally different, leading to debates about their scope and applicability.
  • Categorization data presents a significant challenge for developing a unified theory of concepts.

Purpose of the Study:

  • To challenge Machery's Heterogeneity Hypothesis by proposing a unified theoretical framework for concepts.
  • To demonstrate that a single framework can account for diverse behavioral data related to categorization.
  • To re-evaluate the relationship between different theories of concepts, suggesting they may represent special cases.

Main Methods:

  • Utilized a theoretical framework based on graphical models.
  • Analyzed extant reliable categorization data previously used to support the Heterogeneity Hypothesis.
  • Developed arguments for the explanatory power of the graphical model framework over existing concept theories.

Main Results:

  • A single theoretical framework based on graphical models successfully explains all discussed behavioral categorization data.
  • The proposed framework demonstrates that various theories of concepts can be understood as special cases within a broader model.
  • Evidence is provided against the necessity of distinct kinds of concept theories to explain the data.

Conclusions:

  • Machery's argument for the Heterogeneity Hypothesis is undermined by the unifying power of the graphical model framework.
  • The findings suggest a more parsimonious and integrated understanding of concept theories.
  • The study advocates for viewing different concept theories as specific instances within a comprehensive graphical model approach.