Automatic prompting to reduce persistent tongue protrusion in a woman with severe to profound mental retardation |
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Authors: | Lancioni G E Smaldone A O'Reilly M F Singh N N Oliva D |
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Affiliation: | Department of Psychology, University of Bari, Via Quintino Sella 268, 70100 Bari, Italy. g.lancioni@psico.uniba.it |
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Abstract: | This study assessed whether an intervention approach relying on auditory prompting delivered automatically through a portable device was effective to reduce tongue protrusion in a woman with severe to profound mental retardation. The device involved (a) an optic sensor, i.e., a miniphotocell kept under the lower lip with medical tape, (b) a small signal transmission box, and (c) a Walkman for presenting the prompts. Initially, the automatic prompting condition was combined with occasional praise from a research assistant for having the tongue in the mouth. Analysis showed that the occurrence of tongue protrusion dropped from about 65% of the observation time during the initial baseline to less than 5% through the intervention. The study lasted 4.5 mo. |
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