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Stress-induced muscular activity in mandibular dysfunction: effects of biofeedback training.

Artikel i vetenskaplig tidskrift
Författare Lars Dahlström
Sven G. Carlsson
Elliot N Gale
Tomas G Jansson
Publicerad i Journal of behavioral medicine
Volym 8
Nummer/häfte 2
Sidor 191-200
ISSN 0160-7715
Publiceringsår 1985
Publicerad vid Psykologiska institutionen
Sidor 191-200
Språk en
Länkar www.ncbi.nlm.nih.gov/entrez/query.f...
Ämnesord Adult, Arousal, physiology, Biofeedback, Psychology, Electromyography, Female, Humans, Male, Masseter Muscle, physiopathology, Mastication, Masticatory Muscles, physiopathology, Stress, Psychological, complications, Temporomandibular Joint Disorders, physiopathology, therapy
Ämneskategorier Psykologi

Sammanfattning

Surface electromyographic (EMG) recordings from the left and right masseteric areas during physical and psychological induced stress were obtained from 20 patients with mandibular dysfunction and 20 healthy controls. Integrated electromyographic activity was not significantly different for the two sides but was higher for patients than for controls during both stress and relaxation. Anxiety level, as measured with the Taylor Manifest Anxiety Scale, was higher for patients. Biofeedback treatment for the patients resulted in significantly reduced signs and symptoms of mandibular dysfunction. When the test procedures were repeated, the controls had not changed in their electromyographic responses during stress, whereas the patients showed a significant decrease in this respect. The results obtained are discussed in terms of a systems-oriented etiological concept.

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