ABSTRACT
In the normal course of child development, the capacity to interpret subtle nonverbal cues in social interaction unfolds effortlessly and without much formal instruction. The successful acquisition of these skills is dependent on the normal elaboration and function of complex brain systems dedicated to processing of information in the social domain (Frith & Frith, 2001). Perturbations in the neurodevelopment of these or related systems can result in “inborn” or biologically based difficulties that particularly affect social development and adjustment.
