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Related Experiment Videos

Biofeedback-assisted EMG reduction and subsequent self-disclosure.

J Malec, C N Sipprelle, S Behring

    Journal of Clinical Psychology
    |April 1, 1978
    PubMed
    Summary

    Male experimenters enhanced electromyography (EMG) biofeedback performance. Noncontingent verbal reinforcement decreased willingness to self-disclose, highlighting interpersonal factors in biofeedback and disclosure.

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    Area of Science:

    • Psychology
    • Behavioral Science

    Background:

    • Electromyography (EMG) biofeedback is a technique used to train individuals to control muscle activity.
    • Interpersonal dynamics between experimenter and subject can influence training outcomes.
    • Self-disclosure is a measure of interpersonal intimacy and trust.

    Purpose of the Study:

    • To investigate the effects of experimenter sex and verbal reinforcement on EMG biofeedback performance.
    • To examine the impact of these conditions on participants' willingness to self-disclose.

    Main Methods:

    • Ninety-six participants (48 male, 48 female) underwent a single EMG biofeedback session.
    • Three conditions were used: contingent verbal reinforcement, noncontingent verbal reinforcement, and no reinforcement.
    • Participants completed the Journard Self-disclosure Scale post-session.

    Main Results:

    • Experimenter sex significantly impacted EMG reduction, with male experimenters achieving greater decreases in EMG mean and standard deviation.
    • Verbal reinforcement conditions did not affect EMG biofeedback performance.
    • Participants receiving noncontingent verbal reinforcement reported lower willingness to self-disclose to the experimenter.

    Conclusions:

    • The sex of the experimenter can influence the effectiveness of EMG biofeedback.
    • Noncontingent reinforcement may negatively impact the therapeutic alliance, reducing self-disclosure.
    • Interpersonal factors play a crucial role in both biofeedback training and patient disclosure.

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