| Heart rate and finger pulse amplitude during muscular relaxation with frontalis versus forearm EMG feedback. | |
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MedLine Citation:
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PMID: 397838 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Twenty-nine volunteers participated in a one-session experiment consisting of 10 min rest followed by a 30 min treatment period. Brief relaxation instructions were given at the beginning of the rest period. The treatment was either frontalis EMG feedback, forearm EMG feedback, or non-contingent stimulation. The two feedback groups showed EMG decreases in their respective target muscles during the no-feedback rest period, with no further decrease during feedback training, indicating that feedback was no more effective than relaxation instructions. Heart rate decreased significantly in both feedback groups. Finger pulse amplitude decreased significantly in the forearm feedback group. It is pointed out that the latter change does not necessarily indicate peripheral vasoconstriction, but may be due to a fall in pulse pressure as a consequence of increased blood flow to the relaxing muscles. The results are unsupportive of the assumption that frontalis relaxation is particularly effective in inducing a generalized relaxation. |
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Authors:
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F Sagberg |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Biological psychology Volume: 9 ISSN: 0301-0511 ISO Abbreviation: Biol Psychol Publication Date: 1979 Nov |
Date Detail:
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Created Date: 1980-08-15 Completed Date: 1980-08-15 Revised Date: 2009-11-19 |
Medline Journal Info:
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Nlm Unique ID: 0375566 Medline TA: Biol Psychol Country: NETHERLANDS |
Other Details:
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Languages: eng Pagination: 201-14 Citation Subset: IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Biofeedback, Psychology* Electromyography Facial Muscles / physiology Female Fingers / blood supply Forearm Heart Rate* Humans Male Muscle Contraction* Muscle Relaxation* Muscles / blood supply Pulse* Relaxation Therapy |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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