Associations between olfactory identification and verbal memory in patients with schizophrenia, first-degree relatives, and non-psychiatric controls

The Positive and Negative Syndrome Scale (PANSS) for Schizophrenia

Stanley R. Kay, Abraham Fiszbein, Lewis A. Opler · Schizophrenia Bulletin · 1987 · 21.4K citations · Full text

Social Sciences, Psychiatry, Psychology +17

The Fagerström Test for Nicotine Dependence: a revision of the Fagerstrom Tolerance Questionnaire

Todd F. Heatherton, Lynn T. Kozlowski, Richard C. Frecker et al. · British Journal of Addiction · 1991 · 10.8K citations

Public Health, Behavioral Sciences, Health Psychology +13

Development of the university of pennsylvania smell identification test: A standardized microencapsulated test of olfactory function

Richard L. Doty, Paul Shaman, Michael S. Dann · Physiology & Behavior · 1984 · 1.9K citations

Life Sciences, Neuroscience, Physiology +14

Neuropsychological Deficits in Neuroleptic Naive Patients With First-Episode Schizophrenia

Andrew J. Saykin · Archives of General Psychiatry · 1994 · 1.1K citations

Medicine, Neuroscience, Psychiatry +17

Memory Impairments Identified in People at Ultra-High Risk for Psychosis Who Later Develop First-Episode Psychosis

Warrick J. Brewer, Shona M. Francey, Stephen J. Wood et al. · American Journal of Psychiatry · 2004 · 369 citations

Medicine, Neuroscience, Psychiatry +14