Physiological mechanisms of temperature biofeedback |
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Authors: | Robert R. Freedman Ph.D. |
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Affiliation: | (1) Lafayette Clinic and Wayne State University, USA;(2) Lafayette Clinic, 951 E. Lafayette, 48207 Detroit, Michigan |
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Abstract: | Research on the physiological mechanisms of finger temperature biofeedback with normal subjects and Raynaud's disease patients is reviewed. Studies conducted in the author's laboratory have shown that feedback-induced vasodilation is mediated through a non-neural, -adrenergic mechanism rather than through reductions in sympathetic nervous system activation. In contrast, feedback-induced vasoconstriction is mediated through the traditional, sympathetic nervous pathway. When used with primary Raynaud's disease patients, feedback-induced vasodilation has achieved reductions in reported symptom frequency ranging from 66% to 92% in controlled investigations. Future research directions are discussed.Research conducted by the author was supported by research grants Nos. HL-23828, HL-30604, and AG-05233 from NIH. I am grateful for the collaboration of the following colleagues during the 14 years of work reported here: Peter Ianni, Dena Norton, Paul Wenig, Subhash Sabharwal, Maureen Mayes, Nagraj Desai, Michael Morris, Peter Migály, and Stewart Vining. |
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Keywords: | temperature biofeedback Raynaud's disease adrenergic receptors sympathetic nervous system |
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