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Remission in schizophrenia: proposed criteria and rationale for consensus.
New advances in the understanding of schizophrenia etiology, course, and treatment have increased interest on the part of patients, families, advocates, and professionals in the development ofExpand
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The Scale for the Assessment of Negative Symptoms (SANS): conceptual and theoretical foundations.
  • N. Andreasen
  • Psychology, Medicine
  • The British journal of psychiatry. Supplement
  • 1 November 1989
The Scale for the Assessment of Negative Symptoms (SANS) was the first instrument developed in order to provide for comprehensive assessment of negative symptoms in schizophrenia (Andreasen, 1982,Expand
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Scale for the Assessment of Negative Symptoms
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The Longitudinal Interval Follow-up Evaluation. A comprehensive method for assessing outcome in prospective longitudinal studies.
The Longitudinal Interval Follow-up Evaluation (LIFE) is an integrated system for assessing the longitudinal course of psychiatric disorders. It consists of a semistructured interview, an InstructionExpand
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Negative symptoms in schizophrenia. Definition and reliability.
  • N. Andreasen
  • Psychology, Medicine
  • Archives of general psychiatry
  • 1 July 1982
Recently, a renaissance of interest in "negative symptoms," eg, affective flattening or impoverishment of speech and language, has occurred. Although some investigators believe that these symptomsExpand
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Scale for the Assessment of Positive Symptoms
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The Comprehensive Assessment of Symptoms and History (CASH). An instrument for assessing diagnosis and psychopathology.
The Comprehensive Assessment of Symptoms and History was developed for research studies of schizophrenia spectrum conditions and affective spectrum conditions. It is designed to provide aExpand
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Awareness of illness in schizophrenia and schizoaffective and mood disorders.
BACKGROUND The literature on insight, or self-awareness, in schizophrenia suggests that this cognitive dimension may be of nosological value. Poor insight has descriptive validity at theExpand
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Negative v positive schizophrenia. Definition and validation.
We developed criteria for dividing the schizophrenic syndrome into three subtypes: positive, negative, and mixed schizophrenia. Positive schizophrenia is characterized by prominent delusions,Expand
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