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Long-term effectiveness of
contingent shock for severe self-injurious behavior Forty-one individuals with mental handicap of various levels of functioning and life-threatening self-injurious behaviors (SIB) were exposed to contingent shock or electrical aversion treatment (EAT) using a remotely controlled device with a current output of 40 mA. Long-term effectiveness of EAT was assessed for periods ranging from 6 to 108 months for the 41 individuals, respectively. EAT was embedded in a program encompassing increasing alternative behaviors, behaviors that may compete with SIB. Factors related to long-term successful suppression by EAT are identified, as well as factors that may be related to suppression failure. The results are also discussed in terms of the practical application of this procedure in the natural environment. Videotapes of treatment sessions will be shown. Keywords: developmental disabilities,
self-injurious behavior, electro-aversive stimulation, long term
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