The contingent negative variation in positive and negative types of schizophrenia

The authors analyzed the contingent negative variations of 20 medicated patients with schizophrenia diagnosed according to DSM-III-R and 20 age- and sex-matched normal comparison subjects. For the patients with schizophrenia, there were significant correlations between contingent negative variation...

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Bibliographic Details
Published inThe American journal of psychiatry Vol. 151; no. 3; p. 432
Main Authors Oke, S, Saatchi, R, Allen, E, Hudson, N R, Jervis, B W
Format Journal Article
LanguageEnglish
Published United States 01.03.1994
Subjects
Adult
Aged
Contingent Negative Variation
Female
Frontal Lobe - physiopathology
Humans
Male
Mesencephalon - physiopathology
Middle Aged
Psychiatric Status Rating Scales
Schizophrenia - classification
Schizophrenia - diagnosis
Schizophrenia - physiopathology
Schizophrenic Psychology
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Summary:The authors analyzed the contingent negative variations of 20 medicated patients with schizophrenia diagnosed according to DSM-III-R and 20 age- and sex-matched normal comparison subjects. For the patients with schizophrenia, there were significant correlations between contingent negative variation amplitude and two items on the Scale for the Assessment of Negative Symptoms (affective flattening and avolition-apathy) and the total score on this scale. These findings have implications regarding the underlying pathology of negative and positive symptoms of schizophrenia.
ISSN:0002-953X
1535-7228
DOI:10.1176/ajp.151.3.432