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A case study of vocal volume reduction

J M Lodge, G D Yarnall

    The Journal of Speech and Hearing Disorders
    |August 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    This study successfully reduced vocal volume in a moderately intellectually disabled woman using a reinforcement program and a Whisperlite device. The intervention led to sustained control over vocal intensity in social interactions.

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    Area of Science:

    • Behavioral Psychology
    • Developmental Disabilities

    Background:

    • Intellectual disability can present with social behavior challenges, including abnormal vocal volume.
    • Effective behavioral interventions are crucial for improving social integration in institutionalized individuals.

    Observation:

    • A 24-year-old institutionalized woman with moderate intellectual disability exhibited excessively loud vocalizations.
    • The subject displayed difficulties with social behavior regulation.

    Findings:

    • A reinforcement program, incorporating a Whisperlite device, social, and edible reinforcers, was implemented.
    • The intervention successfully trained the subject to maintain vocalizations below 65 dB in 50 opportunities per session.
    • Follow-up sessions confirmed the subject's sustained ability to control vocal intensity during conversation.

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    Implications:

    • Behavioral interventions can effectively manage vocal volume issues in individuals with intellectual disabilities.
    • The Whisperlite device shows promise as a tool in modifying vocal intensity.
    • Improved vocal control can enhance social interaction and quality of life for institutionalized individuals.