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A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study
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A technology-based stimulation program to reduce hand mouthing by an adolescent with multiple disabilities.

Giulio E Lancioni1, Nirbhay N Singh, Mark F O'Reilly

  • 1Department of Psychology, University of Bari, Via Quintino Sella 268, 70100 Bari, Italy. g.lancioni@psico.uniba.it

Perceptual and Motor Skills
|December 30, 2009
PubMed
Summary

A technology-based stimulation strategy effectively reduced hand mouthing in an adolescent with multiple disabilities. The intervention increased engagement with a task, significantly decreasing mouthing behaviors and time spent with hands in the mouth.

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Area of Science:

  • Behavioral science
  • Assistive technology
  • Disability studies

Background:

  • Hand mouthing is a common behavior in individuals with multiple disabilities.
  • Reducing self-injurious or interfering behaviors is crucial for improving quality of life.

Purpose of the Study:

  • To assess the efficacy of a technology-based stimulation strategy in reducing hand mouthing.
  • To evaluate the impact of contingent stimulation on a specific behavioral response.

Main Methods:

  • An adolescent with multiple disabilities participated in the study.
  • An ABAB research design (baseline-intervention) was employed.
  • A technology-based strategy provided preferred stimulation contingent on keeping hands in a box with objects.

Main Results:

  • The frequency of bringing both hands into the box increased significantly from baseline (4/session) to intervention phases (>30/session).
  • Mean hand-mouthing time decreased from over 7 minutes per session during baseline to below 1.5 minutes during intervention and post-intervention.
  • The intervention demonstrated a sustained positive effect at a 3-month follow-up.

Conclusions:

  • Technology-based contingent stimulation is an effective method for reducing hand mouthing in adolescents with multiple disabilities.
  • This strategy can increase engagement in appropriate tasks while decreasing undesirable behaviors.
  • Findings have practical implications for developing interventions for individuals with disabilities.