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Symptoms of the Schizophrenic Negative Syndrome

  • Victor Peralta (a1) and Manuel J. Cuesta (a1)

Abstract

Background

The aim was an investigation of the symptom composition of the negative syndrome of schizophrenia.

Method

A hundred schizophrenic patients were assessed with various rating scales for positive and negative symptoms and typological criteria. A subgroup with a negative syndrome was defined, and a discriminant analysis performed using symptoms from the Scale for the Assessment of Negative Symptoms (SANS) as discriminant variables.

Results

The discriminant function classified 92% of patients correctly. All but four SANS symptoms (inappropriate affect, both attentional items and blocking) were significantly correlated with the discriminant function.

Conclusions

With the exception of some items, the SANS seems to capture adequately the negative syndrome of schizophrenia.

Copyright

Corresponding author

Dr Victor Peralta, Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, E-31008 Pamplona, Spain

References

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Alphs, L. D., Summerfelt, A., Lann, H., et al (1989) The Negative Symptom Assessment: a new instrument to assess negative symptoms of schizophrenia. Psychopharmacology Bulletin, 25, 159163.
Andreasen, N. C. (1984) Scale for the Assessment of Negative Symptoms. Iowa City: The University of Iowa.
Crow, T. J. (1985) The two-syndrome concept: origins and current status. Schizophrenia Bulletin, 11, 471486.
Kay, S. R., Fiszbein, A. & Opler, L. A. (1987) The Positive and Negative Syndrome Scale (PANSS) for schizophrenia. Schizophrenia Bulletin, 13, 261276.
Kibel, D. A., Lafpont, A. I. & Liddle, P. F. (1993) The composition of the negative syndrome of chronic schizophrenia. British Journal of Psychiatry, 162, 744750.
Miller, D. D., Arndt, S. & Andreasen, N. C. (1993) Alogia, attentional impairment, and inappropriate affect: their status in the dimensions of schizophrenia. Comprehensive Psychiatry, 34, 221226.
Liddle, P. F. (1987) The symptoms of chronic schizophrenia: a reexamination of the positive–negative dichotomy. British Journal of Psychiatry, 151, 141151.
Norusis, M. J. (1988) SPSS/PC+ Advanced Statistics V2.0. Chicago, IL: SPSS Inc.
Peralta, V., de Leon, J. & Cuesta, M. J. (1992) Are there more than two syndromes in schizophrenia? A critique of the positive–negative dichotomy. British Journal of Psychiatry, 161, 335343.
Peralta, V., Cuesta, M. J. & de Leon, J. (1995) Positive and negative symptoms/syndromes in schizophrenia: reliability and validity of different diagnostic systems. Psychological Medicine, 25, 4350.
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The British Journal of Psychiatry
  • ISSN: 0007-1250
  • EISSN: 1472-1465
  • URL: /core/journals/the-british-journal-of-psychiatry
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Symptoms of the Schizophrenic Negative Syndrome

  • Victor Peralta (a1) and Manuel J. Cuesta (a1)
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