ISSN: 1935-1232 (P)

ISSN: 1941-2010 (E)

Mehmet Topyurek
Department of Psychiatry, Dalhousie University, Halifax, Nova Scotia, Canada


  • Research   
    Regular Caffeine Intake in Patients with Schizophrenia: Cognition and Symptomatology
    Author(s): Mehmet Topyurek, Philip G Tibbo and Kimberley Good*

    Individuals with schizophrenia use more caffeine than the general population. This study investigated the impact of caffeine on cognition and symptomatology in individuals with schizophrenia. A cross-sectional study was undertaken with 27 outpatients diagnosed with either schizophrenia or schizoaffective disorder. Participants were divided into two caffeine groups: moderate caffeine users (≤ 250 mg/day; N=13) and high caffeine users (>250 mg/day; N=14). Participants were then compared on measures of cognitive functioning, including processing speed, executive function, working memory, sustained attention, visual learning and memory, and verbal learning and memory. Symptomatology was also compared between the two caffeine groups, including positive, negative, and cognitive symptoms. The results showed that moderate caffeine users, compared to high caffeine users, d.. Read More»

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