HeartMath Institute
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Background Thirty-eight human immunodeficiency virus-seropositive men and women, most with AIDS, enrolled in a psychological intervention, call the HeartMath® program. It is a unique intervention for stress-reduction and mental and emotional self-management that focuses on enhancing positive emo...

Although cardiac sympathovagal regulation has been studied during stress using power spectral density analysis of heart rate variability, little is known about its regulation during emotional states. Using heart rate variability measurements we studied autonomic balance in 20 subjects trained i...

This preliminary survey deals with experimental observations on the degree of entrainment exhibited between heart rate variability (HRV), respiration and electroencephalograph (EEG) recordings for 5 subjects, trained in the use of a particular inner self-management technique, as they change the...

This study examines the effects of music and positive emotional states on autonomic and immune function in normal, healthy individuals. Autonomic activity was assessed using power spectral density analysis of heart rate variability, and salivary IgA was used as a marker of immunity. The effects of R...

Salivary IgA, heart rate and mood were measured in thirty individuals before and after experiencing care or anger. Two methods of inducing the emotional states were compared: self-induction and external induction via video tapes. Anger produced a significant increase in total mood disturbance and he...

Introduction This study utilizes HRV analysis to examine a new method of intentionally shifting emotional states, and demonstrates that positive emotions lead to alterations in sympathovagal balance that may be beneficial in the treatment of hypertension. Anger, on the other hand, was shown to signi...

This work utilizes the measurement of heart rate variability (HRV) as a vehicle to show that continued practice of certain specific techniques involving an intentional shift of focus to the area of the heart, and invoking specific feeling states such as love and appreciation, automatically manifests...

We have recently defined two new physiological states in terms of their unique electrophysiological characteristics (1). These states are generated using specially designed mental and emotional self-management techniques which involve intentionally quieting the mind, shifting one’s awareness t...