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Applying speech technologies to assess verbal memory in patients with serious mental illness
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24.4 MOVING SPEECH TECHNOLOGY METHODS OUT OF THE LABORATORY: PRACTICAL CHALLENGES AND CLINICAL TRANSLATION OPPORTUNITIES FOR PSYCHIATRY
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The effect of limited cognitive resources on communication disturbances in serious mental illness
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In: PMC (2017)
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The effect of limited cognitive resources on communication disturbances in serious mental illness
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An examination of the language construct in NIMH's research domain criteria: Time for reconceptualization!
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What do we really know about blunted vocal affect and alogia? A meta-analysis of objective assessments
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The Normalities and Abnormalities Associated with Speech in Psychometrically-Defined Schizotypy
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Speech Deficits in Serious mental Illness: A Cognitive Resource Issue?
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Authentic interactive reenactment of cultural heritage with 3D virtual worlds and artificial intelligence
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Computerized Measurement of Negative Symptoms in Schizophrenia
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Abstract:
Accurate measurement of negative symptoms is crucial for understanding and treating schizophrenia. However, current measurement strategies are reliant on subjective symptom rating scales which often have psychometric and practical limitations. Computerized analysis of patients’ speech offers a sophisticated and objective means of evaluating negative symptoms. The present study examined the feasibility and validity of using widely-available acoustic and lexical-analytic software to measure flat affect, alogia and anhedonia (via positive emotion). These measures were examined in their relationships to clinically-rated negative symptoms and social functioning. Natural speech samples were collected and analyzed for 14 patients with clinically-rated flat affect, 46 patients without flat affect and 19 healthy controls. The computer-based inflection and speech rate measures significantly discriminated patients with flat affect from controls, and the computer-based measure of alogia and negative emotion significantly discriminated the flat and non-flat patients. Both the computer and clinical measures of positive emotion/anhedonia corresponded to functioning impairments. The computerized method of assessing negative symptoms offered a number of advantages over the symptom scale-based approach.
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Article
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2488151 http://www.ncbi.nlm.nih.gov/pubmed/17920078 https://doi.org/10.1016/j.jpsychires.2007.08.008
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