The phenomenology of personality change due to traumatic brain injury in children and adolescents.

The authors aimed to contribute a clinically rich description of personality change due to traumatic brain injury (PC) in children. The sample consisted of consecutively injured children. Ninety-four subjects ages 5 to 14 years were assessed at the time of hospitalization after a traumatic brain injury (TBI). A standardized psychiatric interview, the Neuropsychiatric Rating Schedule, was used to elicit symptoms of PC. PC occurred in 59% of severe (22/37) and 5% of mild/moderate (3/57) TBI subjects. Among the 37 severe TBI subjects, the labile subtype of PC was the most common (49%), followed by the aggressive and disinhibited subtypes (38% each), apathy (14%), and paranoia (5%). Also frequent in severe TBI was perseveration (35%). A detailed case example, numerous clinical vignettes of PC symptoms, and a tabulation of their frequencies provide clinicians a broader frame of reference for eliciting symptoms of PC.