Deconstructing negative symptoms of schizophrenia: avolition-apathy and diminished expression clusters predict clinical presentation and functional outcome.
Gregory P. Strauss,William P. Horan,Brian Kirkpatrick,Bernard A. Fischer,Bernard A. Fischer,William R. Keller,Pinar Miski,Robert W. Buchanan,Robert W. Buchanan,Michael F. Green,William T. Carpenter,William T. Carpenter +11 more
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TLDR
It is suggested that distinct subgroups of patients with elevated AA or DE can be identified within the broader diagnosis of schizophrenia and that these subgroups show clinically meaningful differences in presentation.About:
This article is published in Journal of Psychiatric Research.The article was published on 2013-06-01 and is currently open access. It has received 343 citations till now. The article focuses on the topics: Avolition & Apathy.read more
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L'apathie dans la schizophrénie : une revue clinique et critique de la question The clinic of apathy in schizophrenia: A critical review of the issue
TL;DR: A review of the concept of apathy in clinical practice in schizophrenia can be found in this article, where the authors highlight the gaps that exist and propose diagnostic criteria for apathy by taking into account the different dimensions of the apathy.
Journal ArticleDOI
The Relationship between Negative Symptoms and Both Emotion Management and Non-social Cognition in Schizophrenia Spectrum Disorders
Caitlin O. B. Yolland,Sean P. Carruthers,Sean P. Carruthers,Wei Lin Toh,Erica Neill,Erica Neill,Erica Neill,Philip Sumner,Elizabeth H.X. Thomas,Elizabeth H.X. Thomas,Eric J. Tan,Eric J. Tan,Caroline Gurvich,Andrea Phillipou,Andrea Phillipou,Andrea Phillipou,Tamsyn E Van Rheenen,Tamsyn E Van Rheenen,Susan L. Rossell,Susan L. Rossell +19 more
TL;DR: In this article, a hierarchical cluster analysis with k-means optimisation was conducted to characterise clinical subgroups using the Scale for the Assessment of Negative Symptoms and Scale for Assessment of Positive Symptoms in n = 130 SSD participants.
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Клинико-психопатологические особенности юношеских депрессий с аттенуированными симптомами шизофренического спектра
TL;DR: Clinical and reliable psychometric differences have been established between depressions with ASSS and «classical» youth depressions without ASSS, resulting in a typological differentiation.
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Impact of Reward and Loss Anticipation on Cognitive Control: An Event-Related Potential Study in Subjects With Schizophrenia and Healthy Controls.
A. Vignapiano,Armida Mucci,Eleonora Merlotti,Giulia Maria Giordano,Antonella Amodio,Davide Palumbo,Silvana Galderisi +6 more
TL;DR: The results in SCZ indicate a deficit in the discrimination of motivational salience to the service of cognitive control, independently of psychopathology and other cognitive deficits.
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Depression and reduced emotional experience in schizophrenia: Correlations with self-reported and informant-rated everyday social functioning:
Philip D. Harvey,Elizabeth Deckler,Mackenzie T. Jones,L. Fredrik Jarskog,David L. Penn,David L. Penn,Amy E. Pinkham +6 more
TL;DR: It is suggested that patients with schizophrenia make global judgments about functioning based on current mood states, and there was minimal association between the depression severity and the accuracy of self-assessment, despite positive biases associated with lower depression severity.
References
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The Brief Psychiatric Rating Scale
John E. Overall,Donald R. Gorham +1 more
TL;DR: The Brief Psychiatric Rating Scale (BRS) as mentioned in this paper was developed to provide a rapid assessment technique particularly suited to the evaluation of patient change, and it is recommended for use where efficiency, speed, and economy are important considerations.
Book
Cluster Analysis
TL;DR: This fourth edition of the highly successful Cluster Analysis represents a thorough revision of the third edition and covers new and developing areas such as classification likelihood and neural networks for clustering.
Book
Cluster analysis
TL;DR: Cluster analysis is a multivariate procedure for detecting natural groupings in data that resembles discriminant analysis in one respect—the researcher seeks to classify a set of objects into subgroups although neither the number nor members of the subgroups are known.
Journal ArticleDOI
Negative Symptoms in Schizophrenia: Definition and Reliability
TL;DR: The developed Scale for the Assessment of Negative Symptoms has excellent interrater reliability and the five symptom complexes defined by the scale have good internal consistency, which indicates that the conceptual organization of the scale is also cohesive.
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