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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.


Journal article


Biol Psychiatry

Publication Date





774 - 778


Adolescent, Adult, Aged, Female, Humans, Male, Middle Aged, Neurocognitive Disorders, Olfaction Disorders, Psychiatric Status Rating Scales, Schizophrenia, Schizophrenic Psychology, Sensory Thresholds, Smell, Syndrome