Plasma catecholamine levels during temperature biofeedback training in normal subjects |
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Authors: | Dr Robert R Freedman Denise Keegan Janice Rodriguez Matthew P Galloway |
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Institution: | (1) Department of Psychiatry, Wayne State University School of Medicine, Detroit;(2) C. S. Mott Center, 275 E. Haucock Ave, 48201 |
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Abstract: | Thirty-nine normal volunteers of both sexes were randomly assigned to receive 8 sessions of temperature biofeedback or autogenic training to increase finger temperature. Temperature biofeedback subjects produced significant elevations in finger temperature during training, whereas those who received autogenic training did not. Temperature feedback subjects had significantly higher heart rates and diastolic blood pressures during training compared to autogenic subjects. There were no significant changes or group differences in plasma catecholamine levels. These data do not support the hypothesis that feedback-induced vasodilation is accompanied by decreased sympathetic activation in normal populations, when only temperature biofeedback is employed.Supported by research grant No. HL-30604 from NHLBI. Dr. Angela McGuady served as Action Editor for this paper. |
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