Journal
CLINICAL NEUROPSYCHOLOGIST
Volume 17, Issue 2, Pages 226-234Publisher
TAYLOR & FRANCIS INC
DOI: 10.1076/clin.17.2.226.16501
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Adult normative data are presented for unirhinal administration of the University of Pennsylvania Smell Identification Test (UPSIT). Two-hundred and seventy healthy adults, aged 15-64, were administered half of the UPSIT (20 items) to each nostril. The main findings were: (1) unirhinal and birhinal performance are not equivalent necessitating the use of unirhinal norms, rather than prorated birhinal norms, (2) unirhinal performance does not differ according to nostril of presentation, (3) unirhinal performance does not differ according to sex, (4) within the age ranges studied, age accounted for only a minor proportion of the variability, and (5) being a current smoker and having lower levels of formal education contributed to reduced unirhinal UPSIT scores. Correction factors are suggested for the education and smoking variables. Unirhinal evaluation may assist in further delineating the structural integrity of specific ipsilateral brain regions and potentially aid in differential diagnosis for a number of disorders.
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