Abnormal prefrontal activation directly related to pre-synaptic striatal dopamine dysfunction in people at clinical high risk for psychosis. - Fusar-Poli, P.; Howes, O. D.; Allen, P.; Broome, M.; Valli, I.; Asselin, M-C; Montgomery, A. J.; Grasby, P. M.; McGuire, P. (Molecular Psychiatry, 2011)