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Positive and negative symptoms in schizophrenia
Psychiatry Research, 1984Negative and positive symptoms were determined for 46 drug-free patients who met Research Diagnostic Criteria (RDC) and/or Feighner criteria for schizophrenia. A modified version of the Scale for the Assessment of Negative Symptoms (SANS) was completed for each patient based on items from the Schedule for Affective Disorders and Schizophrenia (SADS ...
W G, Rosen +6 more
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Dissociative Symptoms in Schizophrenic Patients with Positive and Negative Symptoms
Psychopathology, 1997Given the close historical relationship between schizophrenia and dissociative disorders, namely multiple personality disorder, we assessed 27 ICD-10 diagnosed schizophrenic inpatients for dissociative symptoms using the German version of the Dissociative Experience Scale and compared them to a nonclinical control group matched for gender and age ...
C, Spitzer, H J, Haug, H J, Freyberger
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Physiological Correlates of Positive Symptoms in Schizophrenia
2014Patients with schizophrenia have been hypothesized to have a functional impairment in filtering irrelevant sensory information, which may result in positive symptoms such as hallucinations or delusions. Many evidences suggest that abnormalities in the event-related brain potentials (ERPs), resting state electroencephalography (EEG) and synchronized ...
GALDERISI, Silvana +3 more
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ardive dyskinesia and positive symptoms of schizophrenia
Acta Psychiatrica Scandinavica, 1991Positive symptoms and movement disorders were rated in 44 schizophrenic inpatients. A significant negative correlation was demonstrated between tardive dyskinesia and positive symptoms. Possible explanatory mechanisms are discussed.
T, White, K W, Brown, J P, Woods
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Positional Vertigo. Symptom, Clinical Sign, or Disease?
Acta Otorrinolaringologica (English Edition), 2008We present a prospective study with the aim of assessing the differences found between position-triggered vertiginous syndromes, those diagnosed as benign paroxysmal positional vertigos (BPPV) in primary care and non-specific clinics, and those classified as BPPV at an otoneurology unit.Over a 17 month period, 432 consecutive patients were included ...
Gabriel, Trinidad Ruiz +5 more
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Positive and Negative Symptoms in Psychiatry
British Journal of Psychiatry, 1986The terms positive and negative symptoms have slipped into the language of contemporary psychiatry with comparative ease. It is not uncommon for these expressions to be used with little explanation, both at meeting and in written communications, with the implicit understanding that their meaning is understood and that somehow they are of value to our ...
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How false are “false” positive psychotic symptoms?
Schizophrenia Research, 2003Recent population-based studies showed that self-reported positive symptoms of psychosis strongly predict the development of psychotic disorder in both the short and the long term (Hanssen et al., 2002 and Poulton, R., Caspi, A., Moffitt, T.E., Cannon, M., Murray, R. and Harrington, H., 2000.
Bak, M.L.F.J. +5 more
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Positive and negative symptoms of schizophrenia
Schizophrenia Research, 1991Alprazolam, when added under double-blind conditions to a stable neuroleptic regimen in two patients with schizophrenia, resulted in clinically apparent improvement in positive and negative schizophrenic symptoms. Both patients showed significant worsening of symptoms following reduction or discontinuation of aiprazolam.
Jean Addington, D. Addington
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Positive and Negative Symptoms
British Journal of Psychiatry, 1992The authors assessed the relevance of clinical symptoms to genetic research in schizophrenia in the nuclear families of 65 chronic schizophrenic probands. The morbidity risk for schizophrenia and schizotypal personality (a ‘spectrum’ disorder) was markedly reduced in first-degree relatives of probands with predominant negative symptoms, as compared ...
M, Baron, R S, Gruen, J M, Romo-Gruen
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