Neuropsychological functioning and jumping to conclusions in recent onset psychosis patients.

Background: The reasoning bias of jumping to conclusions (JTC) consists of a tendency to make assumptions having little information.

Objective: The aim of this study was to estimate the differences in neuropsychological functioning between recent onset psychotic patients who jump to conclusions and those who do not jump to conclusions.

Materials And Methods: One hundred and twenty-two patients with a recent onset of a psychotic disorder were assessed with three JTC tasks and a neuropsychological battery exploring verbal learning, memory, attention, psychomotor speed, visuoperceptual abilities, working memory, problem solving, executive functioning.