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The Capital Region of Denmark - a part of Copenhagen University Hospital
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Exploring schizophrenia spectrum psychopathology in borderline personality disorder

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  1. Schizophrenia-spectrum psychopathology in obsessive-compulsive disorder: an empirical study

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  2. Prevalence of seasonal depression in a prospective cohort study

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  3. Self-disorders in schizophrenia-spectrum disorders: a 5-year follow-up study

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  4. Investigation of previously implicated genetic variants in chronic tic disorders: a transmission disequilibrium test approach

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  1. The Self and Its Prolonged Intrinsic Neural Timescale in Schizophrenia

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  2. Schizophrenia-spectrum psychopathology in obsessive-compulsive disorder: an empirical study

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  3. Altered self-recognition in schizophrenia - A reply to critics

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  4. 'The schizophrenic basic mood (self-disorder)', by Hans W Gruhle (1929)

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  5. The Hoarding Phenomenon in Schizophrenia Spectrum Disorders

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We have previously argued that the current borderline personality disorder (BPD) diagnosis is over-inclusive and clinically and conceptually impossible to distinguish from the schizophrenia spectrum disorders. This study involves 30 patients clinically diagnosed with BPD as their main diagnosis by three BPD dedicated outpatient treatment facilities in Denmark. The patients underwent a careful and time-consuming psychiatric evaluation involving several senior level clinical psychiatrists and researchers and a comprehensive battery of psychopathological scales. The study found that the vast majority of patients (67% in DSM-5 and 77% in ICD-10) in fact met the criteria for a schizophrenia spectrum disorder, i.e., schizophrenia (20%) or schizotypal (personality) disorder (SPD). The schizophrenia spectrum group scored significantly higher on the level of disorders of core self as measured by the Examination of Anomalous Self-Experiences Scale (EASE). The BPD criterion of "identity disturbance" was significantly correlated with the mean total score of EASE. These findings are discussed in the light of changes from prototypical to polythetic diagnostic systems. We argue that the original prototypes/gestalts informing the creation of BPD and SPD have gone into oblivion during the evolution of polythetic criteria.

Original languageEnglish
JournalEuropean Archives of Psychiatry and Clinical Neuroscience
Volume270
Issue number8
Pages (from-to)969-978
Number of pages10
ISSN0003-9373
DOIs
Publication statusPublished - Dec 2020

ID: 58973119