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Updated: Jun 30, 2026

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

Empirically sufficient symptom sets as a path to validity and utility for HiTOP and RDoC: Commentary on Fisher

Miriam K Forbes¹

¹Macquarie University, School of Psychological Sciences and Lifespan Health and Wellbeing Research Centre.

Journal of Psychopathology and Clinical Science

|June 29, 2026

Summary

This commentary explores Fisher's proposal for conceptualizing psychopathology, evaluating the Diagnostic and Statistical Manual of Mental Disorders (DSM) framework. It suggests integrating Fisher's approach with models like HiTOP and RDoC to enhance psychopathology research.

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Last Updated: Jun 30, 2026

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

Area of Science:

Psychiatry and Mental Health
Psychopathology Research
Nosology and Classification

Background:

The Diagnostic and Statistical Manual of Mental Disorders (DSM) is a widely used framework for classifying mental disorders.
Fisher's proposal offers a novel approach to conceptualizing psychopathology.
Integrating different conceptual frameworks can advance the understanding of mental disorders.

Purpose of the Study:

To summarize understanding of Fisher's proposal for conceptualizing psychopathology.
To discuss the strengths and limitations of the current DSM framework.
To outline ideas for integrating Fisher's approach with other models.

Main Methods:

Commentary and critical analysis of Fisher's proposal.
Evaluation of the DSM framework's utility and validity.
Exploration of synergistic integration with the Hierarchical Taxonomy of Psychopathology (HiTOP) model and Research Domain Criteria (RDoC).

Main Results:

Fisher's approach presents potential benefits for psychopathology conceptualization.
The DSM framework has inherent strengths and limitations.
Integration with HiTOP and RDoC can enhance the validity and utility of psychopathology models.

Conclusions:

Fisher's approach offers a valuable foundation for advancing psychopathology conceptualization.
Strategic integration with models like HiTOP and RDoC can overcome limitations of existing frameworks.
This commentary advocates for a more integrated and nuanced approach to understanding and classifying mental disorders.