Focused on issues of drug treatment in relation to autism. Pharmacological
treatment studies in autism are complicated by various factors including a
tremendous range of syndrome expression, a lack of robust animal models of
the disorder, and various methodological problems. Theories have tended to
follow treatments, and various neurochemical systems have been the focus of
study. Neurochemical systems potentially implicated include those involvin
g dopamine, norepinephrine, serotonin, and neuropeptides. The dopaminergic
system has been the most extensively studied. Treatments developed are effe
ctive relative to certain disabling symptoms but "core" problems (e.g., in
social relatedness and communication) appear less responsive to medications
. The development of new approaches to assessment, including integration of
behavioral and pharmacological approaches, is an important research priori
ty.