7 Dopamine Synthesis Capacity Before Onset of Psychosis: A Prospective [ 18 F]-DOPA PET Imaging Study Am J Psychiatry. 2011;168(12): doi: / Figure Legend: Association of Prodromal Symptom Severity and Striatal Dopamine Synthesis Capacity at Presentation in Patients Who Subsequently Developed Psychosis a a Prodromal symptom severity is rated on the Comprehensive Assessment of At-Risk Mental States total score. Greater severity of prodromal symptoms is associated with greater dopamine synthesis capacity in the whole striatum (k i cer value/min) at presentation in patients who subsequently developed psychosis (N=9, r=, p=). Date of download: 9/2/2012 Copyright American Psychiatric Association. All rights reserved.