Placebo Effects in Biofeedback and Self-Perception of Muscle Tension

ABSTRACT This study evaluated the effectiveness of laryngeal muscle biofeedback, a common treatment for subvocalization, utilizing a strict control group structure. Subjects were 29 undergraduates assigned to Laryngeal Feedback (N = 10), Masseter Feedback (N = 10), or No Feedback Control (N = 9) con...

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Bibliographic Details
Published in:Psychophysiology 1984-01, Vol.21 (1), p.47-53
Main Authors: Pollard Jr, Robert Q, Katkin, Edward S.
Format: Article
Language:English
Subjects:
Behavioral psychophysiology
Biofeedback
Biofeedback, Psychology
Biological and medical sciences
Control groups
EMG
Female
Fundamental and applied biological sciences. Psychology
Humans
Kinesthesis
Laryngeal Muscles - physiology
Male
Masseter Muscle - physiology
Muscle Contraction
Myogenic perception
Perception
Placebo effect
Placebos
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Reading
Subvocalization
Visceral perception
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Summary:ABSTRACT This study evaluated the effectiveness of laryngeal muscle biofeedback, a common treatment for subvocalization, utilizing a strict control group structure. Subjects were 29 undergraduates assigned to Laryngeal Feedback (N = 10), Masseter Feedback (N = 10), or No Feedback Control (N = 9) conditions. The results indicated that laryngeal muscle biofeedback had no specific treatment effect; however, masseter biofeedback demonstrated a specific treatment effect when the new procedure was utilized. Subjects in the Masseter Feedback Group displayed masseter EMG levels which were substantially lower than subjects in the Laryngeal Feedback Group (p
ISSN:0048-5772
1469-8986
1540-5958
DOI:10.1111/j.1469-8986.1984.tb02316.x