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  • Title: Active versus passive management of post-acquired brain injury challenging behaviour: a case study analysis of multiple operant procedures in the treatment of challenging behaviour maintained by negative reinforcement.
    Author: Stewart I, Alderman N.
    Journal: Brain Inj; 2010; 24(13-14):1616-27. PubMed ID: 20973632.
    Abstract:
    PRIMARY OBJECTIVE: Operant conditioning interventions are effective in the management of post-acute ABI challenging behaviour. However, when this serves an avoidance or escape function, reinforcement approaches may be ineffective. In this paper the utility of a range of operant-derived ABI interventions is considered specifically with regard to behaviour whose prime function is avoidance or escape from rehabilitation activities. METHODS AND PROCEDURES: Efficacy of three operant interventions was determined by describing a single case study whose aggressive behaviour served an avoidance-escape function. Two interventions comprised variants of differential reinforcement: differential reinforcement of incompatible behaviour (DRI) and differential reinforcement of low rates of responding (DRL). The third intervention comprised situational time out (STO) and sustained verbal prompting. MAIN OUTCOME: Despite reports of the efficacy of DRI and DRL, neither was beneficial in this case. However, STO and sustained verbal prompting proved highly effective in reducing aggression. CONCLUSIONS: Results are discussed in relation to two levels of explanation: function and cognition. Special emphasis is laid upon the extent to which interventions actively involve the patient and the degree of intrusiveness necessary for staff to implement therapeutic procedures. The case demonstrates how a scientifically-derived formulation regarding behaviour disorder can support multiple treatment options.
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