Automated analysis of written narratives reveals abnormalities in referential cohesion in youth at ultra high risk for psychosis

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Automated analysis of written narratives reveals abnormalities in referential cohesion in youth at ultra high risk for psychosis.

Schizophrenia and at-risk populations are suggested to exhibit referential cohesion deficits in language production (e.g., producing fewer pronouns or nouns that clearly link to concepts from previous sentences). Much of this work has focused on transcribed speech samples, while no work to our knowledge has examined referential cohesion in written narratives among ultra high risk (UHR) youth us...

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Diminished Hedonic response in neuroleptic-free youth at ultra high-risk for psychosis

Hedonic response is preserved in schizophrenia. However, it is unclear whether this is also true in individuals meeting criteria for “prodromal” psychosis, who are considered to be at symptomatic high risk for developing the disorder. In this study, we examined neurophysiological and self-reported response to emotional stimuli in UHR (n= 23) and healthy control (CN: n = 30) participants who pas...

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Anxiety in youth at clinical high risk for psychosis.

AIM High rates of anxiety have been observed in youth at clinical high risk (CHR) of developing psychosis. In CHR, anxiety often co-occurs with depression, and there is inconsistent evidence on anxiety in relation to transition to psychosis. The aim of this study was to examine: (i) the prevalence of anxiety disorders in individuals at CHR; (ii) clinical differences between those with and witho...

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Deconstructing vulnerability for psychosis: Meta-analysis of environmental risk factors for psychosis in subjects at ultra high-risk.

BACKGROUND Subjects at ultra high-risk (UHR) for psychosis have an enhanced vulnerability to develop the disorder but the risk factors accounting for this accrued risk are undetermined. METHOD Systematic review of associations between genetic or environmental risk factors for psychosis that are widely established in the literature and UHR state, based on comparisons to controls. RESULTS For...

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high volatility, thick tails and extreme value theory in value at risk estimation: the case of liability insurance in iran insurance company

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ژورنال

عنوان ژورنال: Schizophrenia Research

سال: 2018

ISSN: 0920-9964

DOI: 10.1016/j.schres.2017.04.025