Social cognition and traumatic brain injury: current knowledge.

The notion of social cognition is an umbrella term which refers to a set of processes which permit the perception of social cues from the self and others, the interpretation and understanding of own and other's emotions, beliefs and behaviors, and the generation of responses to these inferences to guide social behavior. This paper is an introduction to our special issue of Brain Injury devoted to the study of social cognition after traumatic brain injury.