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. 1991 Apr 15;29(8):774-8.
doi: 10.1016/0006-3223(91)90196-s.

Olfactory Acuity in the Positive and Negative Syndromes of Schizophrenia

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Olfactory Acuity in the Positive and Negative Syndromes of Schizophrenia

J Geddes et al. Biol Psychiatry. .

Abstract

The olfactory thresholds of 46 schizophrenic subjects were measured. This group yielded 11 patients with a stringently defined positive syndrome and 12 with a negative syndrome when rated with the Positive and Negative Syndrome Scale. The negative group had a significantly (p less than 0.01) higher olfactory threshold than the positive group although neither of the groups differed significantly from a control group. Implications of this finding are discussed.

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