Functional Analysis Of Self-Injury

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Review of “Toward a Functional Analysis of Self-Injury”
An alarming and surprisingly common behavior among some developmentally disabled individuals is self-injurious behavior. The severity of this ranges from mild nail-biting to very severe head-banging or choking. This can be quite alarming for caregivers, other children, and can present a serious danger to the child engaging in the behavior. While such behavior would seem to be maladaptive, there is evidence that it is in fact learned through operant conditioning and that these behaviors persist because they reinforced by the child’s environment. If this is true, it presents an opportunity to combat the behavior by eliminating sources of reinforcement. Iwata, Dorsey, Silfer, Bauman, and …show more content…

One, social disapproval, in which each participant was sat in a room with an experimenter and asked to play with toys while the experimenter read a book, if the child began to engage in self-injurious behavior the experimenter would make statements of disproval towards the participant. Two, academic demand, in which a child was asked to complete academic tasks, the participants were praised for successfully completing each task, however if they began to engage in self-injury the experimenter would stand up immediately and ignore them for 30 seconds. In the third, unstructured play, participants again were placed in a room with the experimenter and toys but no demands were made and they were given praise for playing. In the last condition, the participants were placed in a room alone without toys, and were simply observed.
Three conditions isolate one potential reinforcer of self-injurious behavior. In the social disapproval condition, attention from the experimenter acts as a reinforcer. In the academic task condition, escape from the task acts as a negative reinforcer. In the alone condition, the stimulation provided by self-injury acts as a positive reinforcer. The unstructured play condition however emulates an enriched environment offering reinforcement for behaviors other that

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