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Related Experiment Video

Updated: Jun 5, 2026

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder

Published on: January 9, 2015

[Affective disorders: Evolution of nosographic models].

A Kaladjian¹, J-M Azorin, M Adida

¹Service de Psychiatrie des Adultes, CHU Robert Debré, Avenue du Général Koenig, 51092 Reims cedex, France. akaladjian@chu-reims.fr

|January 18, 2011

Summary

Affective disorders evolved from general mental illness categories to distinct diagnoses like manic-depressive insanity. Future psychiatric nosography may advance through clinical epidemiology and pathophysiology studies.

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Area of Science:

Psychiatry and Mental Health
Clinical Psychology
Medical History

Background:

Affective disorders have evolved historically within psychiatric nosography.
Kraepelin's concept of manic-depressive insanity marked a significant step in classifying these disorders.
Current classifications, like the Diagnostic and Statistical Manual of Mental Disorders (DSM), largely use a categorical approach.

Purpose of the Study:

To trace the historical nosographic evolution of affective disorders.
To examine the current categorical approach in psychiatric nosography, particularly within the DSM.
To explore potential future directions for nosographic advances in affective disorders.

Main Methods:

Historical analysis of psychiatric nosographies.
Review of diagnostic criteria and classification systems, including the DSM.
Discussion of emerging research methodologies in clinical epidemiology and pathophysiology.

Main Results:

Affective disorders were progressively distinguished as separate entities.
The division into bipolar disorder and recurrent depression remains current, largely influenced by the DSM.
The DSM's categorical approach shapes contemporary nosographic models, with potential for dimensional components in future revisions.

Conclusions:

Future nosographic advancements for affective disorders are anticipated from clinical epidemiology studies identifying subtypes.
Etiological research focusing on pathophysiology offers a path toward objective, knowledge-based nosographic models.
Integrating dimensional approaches and objective biological data may refine future classifications.