Abstract
Three groups of 10 subjects were employed to determine the effect of verbally labeling elicited heart rate (HR) changes upon subsequent voluntary HR control. While one group (VF group) received veridical feedback when criterion HR increases were elicited by loud tones, a second, reverse feedback (RF) group were falsely informed that their HR had decreased in such circumstances. A control (C) group received no feedback regarding the nature of elicited responses. Groups VF and C were subsequently required to increase HR, while Group RF was instructed to decrease HR. The VF group displayed a tendency toward greater accelerative changes than either of the other groups. Only in the VF group was HR increase a consistent outcome of instructions.
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