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Language in schizophrenia: relation with diagnosis, symptomatology and white matter tracts.


ABSTRACT: Language deviations are a core symptom of schizophrenia. With the advances in computational linguistics, language can be easily assessed in exact and reproducible measures. This study investigated how language characteristics relate to schizophrenia diagnosis, symptom, severity and integrity of the white matter language tracts in patients with schizophrenia and healthy controls. Spontaneous speech was recorded and diffusion tensor imaging was performed in 26 schizophrenia patients and 22 controls. We were able to classify both groups with a sensitivity of 89% and a specificity of 82%, based on mean length of utterance and clauses per utterance. Language disturbances were associated with negative symptom severity. Computational language measures predicted language tract integrity in patients (adjusted R2?=?0.467) and controls (adjusted R2?=?0.483). Quantitative language analyses have both clinical and biological validity, offer a simple, helpful marker of both severity and underlying pathology, and provide a promising tool for schizophrenia research and clinical practice.

SUBMITTER: de Boer JN 

PROVIDER: S-EPMC7171150 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Language in schizophrenia: relation with diagnosis, symptomatology and white matter tracts.

de Boer J N JN   van Hoogdalem M M   Mandl R C W RCW   Brummelman J J   Voppel A E AE   Begemann M J H MJH   van Dellen E E   Wijnen F N K FNK   Sommer I E C IEC  

NPJ schizophrenia 20200420 1


Language deviations are a core symptom of schizophrenia. With the advances in computational linguistics, language can be easily assessed in exact and reproducible measures. This study investigated how language characteristics relate to schizophrenia diagnosis, symptom, severity and integrity of the white matter language tracts in patients with schizophrenia and healthy controls. Spontaneous speech was recorded and diffusion tensor imaging was performed in 26 schizophrenia patients and 22 control  ...[more]

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