Background: This study examined whether a sensory adapted dental environment (SADE) diminished anxiety and agitation in adults with intellectual and developmental disability (IDD) when compared to a routine dental environment (RDE). Method: Agitated behaviours (frequency and duration) were video-taped and anxiety-related physiological measures…

Self-injurious behavior (SIB) is a chronic disorder that often begins in early childhood; however, few studies have examined the onset of SIB in young children. This preliminary study reports on the identification, assessment, and observation of SIB in 32 children who had begun to engage in SIB within the previous 6 months. Participants were under…