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Symons, Frank J.; Harper, Vicki N.; McGrath, Patrick J.; Breau, Lynn M.; Bodfish, James W. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2009
The role of pain in relation to self-injurious behavior (SIB) among individuals with intellectual disabilities is not well understood. Some models of SIB are based on altered endogenous opioid system activity which could result in elevated pain thresholds. In this study, non-verbal behavioral signs indicative of pain as measured by the…
Descriptors: Control Groups, Self Destructive Behavior, Mental Retardation, Pain