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The purpose of the present study was twofold: (1) to obtain information on central mechanisms underlying cardiac self-regulation by comparing changes in cerebral asymmetry during self-control of heart rate with changes observed during the production of affective imagery; and (2) to explore sex differences in hemispheric function during performance of these two tasks. Heart rate (HR) and bilateral parietal EEG filtered for alpha were recorded from 20 right-handed males and females during two discrete experimental phases: cardiac control and image self-generation. HR showed significant effects between up versus down in prefeedback and feedback, and between anger versus relaxing imagery in the image phase. The EEG data indicated similar patterns of hemispheric asymmetry in both sexes during prefeedback. However, with the introduction of feedback, females shifted to greater relative right hemisphere activation comparable to what they show when specifically instructed to think emotional thoughts; males showed little differentiation between conditions. These data indicate that the Self-regulation of HR with biofeedback in males and females may be accomplished by the utilization of strategies involving different underlying patterns of neuropsychological processes.
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Provides guidelines for the use of 3 approaches to stress management in children: guided imagery, yoga and autogenic phrases, and thermal biofeedback. It is advised that counselors, teachers, and parents should have personal experience with these methods before implementing them. Counselors should work with small groups (5–7 children) when they first learn these techniques. It is recommended that a program using these methods should extend for no less than 3 mo and include at least 3 practice sessions each week.