Figure 3From: Model-based parametric study of frontostriatal abnormalities in schizophrenia patients Effects of the activation of the D2 receptors on the striatal activity, X s , and the normalized DA release, Y. The effect of the D2 autoreceptors on the dopaminergic fibers from the midbrain is specified by a. The effect of the D2 receptors on the glutamatergic terminals from PFC pyramidal neurons is specified by b.Back to article page