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Positive and Negative Symptoms in Schizophrenia
Archives of General Psychiatry, 1990We reexamined the validity of subdividing schizophrenia into categorical subtypes using the predominance of positive and negative symptoms as the characteristic defining features. Using diagnostic criteria proposed in 1982, we again found that the negative subtype may be characterized by a variety of hypothesized correlates of structural brain ...
N C, Andreasen +4 more
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Stability of Positive and Negative Symptoms in Schizophrenia
The Canadian Journal of Psychiatry, 1993Fifty-nine DSM-III-R schizophrenic outpatients were assessed for positive and negative symptoms using Andreasen's Scale for Assessment of Positive Symptoms (SAPS) and the Scale for Assessment of Negative Symptoms (SANS). Reevaluation of these patients 12 months later revealed a moderate degree of stability for both SAPS and SANS total scores and most ...
A K, Malla, R M, Norman, P, Williamson
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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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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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Fibromyalgia - symptom or diagnosis: A definition of the position
Scandinavian Journal of Rheumatology, 2000According to the American College of Rheumatology the diagnosis of fibromyalgia is based on criteria for the classification of fibromyalgia consisting entirely of clinical signs and symptoms. For diagnostic reasons autonomic disturbances and mental features have to be considered.
D E, Pongratz, M, Sievers
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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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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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Nonadherence to antipsychotics: The role of positive attitudes towards positive symptoms
European Neuropsychopharmacology, 2014Approximately 50-75% of all patients do not take their antipsychotic medication as prescribed. The current study examined reasons why patients continue versus discontinue antipsychotic medication. We were particularly interested to which extent positive attitudes towards psychotic symptoms foster medication nonadherence.
Steffen, Moritz +2 more
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Self-Monitoring Dysfunction and the Positive Symptoms of Schizophrenia
Psychopathology, 2001Frith has proposed that symptoms of alien control in schizophrenia result from a defect in a metarepresentational process leading to a failure to properly monitor self-willed intentions and actions. To examine this hypothesis, a group of 40 schizophrenic patients, all meeting DSM-III-R criteria, and rated for current symptoms on the basis of a detailed
Stirling, John D. +2 more
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Depression, negative and positive symptoms, and the DST in schizophrenia
Schizophrenia Research, 1990It has been suggested that the presence of depression is a major determinant of abnormal dexamethasone suppression in patients with schizophrenia. It has been reported that negative symptoms in patients with schizophrenia are associated with increased rates of nonsuppression. In this study of schizophrenic inpatients, the Dexamethasone Suppression Test
Minas, Iraklis H. +3 more
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