نتایج جستجو برای: first episode schizophrenia

تعداد نتایج: 1501801  

Journal: :Archives of general psychiatry 1998
D F Salisbury M E Shenton A R Sherwood I A Fischer D A Yurgelun-Todd M Tohen R W McCarley

BACKGROUND Schizophrenia is associated with central (sagittal) midline reductions of the P300 cognitive event-related potential and topographic asymmetry of P300, with reduced left temporal voltage. This P300 asymmetry is, in turn, linked to tissue volume asymmetry in the posterior superior temporal gyrus. However, it is unknown whether P300 asymmetry is specific to schizophrenia and whether ce...

Journal: :Biological psychiatry 2004
Laura C Wiegand Simon K Warfield James J Levitt Yoshio Hirayasu Dean F Salisbury Stephan Heckers Chandlee C Dickey Ron Kikinis Ferenc A Jolesz Robert W McCarley Martha E Shenton

BACKGROUND Findings from postmortem studies suggest reduced prefrontal cortical thickness in schizophrenia; however, cortical thickness in first-episode schizophrenia has not been evaluated using magnetic resonance imaging (MRI). METHODS Prefrontal cortical thickness was measured using MRI in first-episode schizophrenia patients (n = 17), first-episode affective psychosis patients (n = 17), a...

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