Why the study?
Can subjects produce large magnitude voluntary heart rate changes using optimized motivational, feedback, and practice variables?
Can subjects produce large magnitude voluntary heart rate changes using optimized motivational, feedback, and practice variables?
Subjects can voluntarily produce large magnitude heart rate increases when motivational, feedback, and practice variables are optimized, independent of breathing changes.
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Suggests optimized protocols may enable voluntary HR increases; hypothesis-generating and should not yet change practice.
An experiment was performed to demonstrate methods for enabling subjects ( S s) to produce large magnitude heart rate (HR) changes under conditions which include adequate controls for basal HR changes and elicitation of the HR response by breathing changes. The methods used were an attempt to optimize motivational, feedback, and practice variables. Of 9 S s, 6 displayed mean HR increases ranging from 16.7 bpm to 35.2 bpm. The greatest mean HR decrease for any S was 3.1 bpm. Control procedures indicated that breathing changes accompanying large increases in HR were not sufficient to account for the magnitude of HR change.
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David T. Wells (1973) studied this question.
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