origins but unknown neuroanatomical correlates. Whereas investigators have paid much
attention to the cerebral cortex, few studies have detailed the basal ganglia in autism. The
caudate nucleus may be involved in the repetitive movements and limbic changes of autism.
We used immunohistochemistry for calretinin and neuropeptide Y in 24 age-and gender-
matched patients with autism spectrum disorder and control subjects ranging in age from 13 …