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European Archives of Psychiatry and Clinical Neuroscience

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01-02-2011 | Original Paper

Combining the categorical and the dimensional perspective in a diagnostic map of psychotic disorders

Authors: Damian Läge, Samy Egli, Michael Riedel, Anton Strauss, Hans-Jürgen Möller

Published in: European Archives of Psychiatry and Clinical Neuroscience | Issue 1/2011

Abstract

We introduce a diagnostic map that was calculated by robust non-metric multidimensional scaling based on AMDP symptom profiles of patients with schizophrenic and affective disorders to demonstrate a possibility to combine the categorical and the dimensional perspective at the same time. In the diagnostic map, a manic, a depressive, and a non-affective cluster clearly emerged. At the same time, the mania dimension (r = 0.82), the depression dimension (r = 0.68), and the apathy dimension (r = 0.74) showed high multiple regression values in the map. We found substantial overlaps of the diagnostic groups with regard to the affective spectrum but irrespective of the ICD-10 classification. Within this sample, we found the association and quality of mood symptoms to be a structuring principle in a diagnostic map. We demonstrate that this approach represents a promising way of combining the categorical and the dimensional perspective. As a practical implementation of these findings, a multidimensional diagnostic map could serve as an automated diagnostic tool based on psychopathological symptom profiles.

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Title: Combining the categorical and the dimensional perspective in a diagnostic map of psychotic disorders
Authors: Damian Läge
Samy Egli
Michael Riedel
Anton Strauss
Hans-Jürgen Möller
Publication date: 01-02-2011
Publisher: Springer-Verlag
Published in: European Archives of Psychiatry and Clinical Neuroscience / Issue 1/2011
Print ISSN: 0940-1334
Electronic ISSN: 1433-8491
DOI: https://doi.org/10.1007/s00406-010-0125-y

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Combining the categorical and the dimensional perspective in a diagnostic map of psychotic disorders

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