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The Science of HeartMath

HeartMath products, tools and techniques are based on over 25 years of scientific research conducted at the HeartMath Institute on the psychophysiology of stress, emotions, and the interactions between the heart and brain. There are over 300 peer-reviewed or independent studies utilizing HeartMath techniques or technologies to achieve beneficial outcomes that have been published.

HeartMath research has demonstrated that different patterns of heart activity (which accompany different emotional states) have distinct effects on cognitive and emotional function. During stress and negative emotions, when the heart rhythm pattern is erratic and disordered, the corresponding pattern of neural signals traveling from the heart to the brain inhibits higher cognitive functions. This limits our ability to think clearly, remember, learn, reason, and make effective decisions. (This helps explain why we may often act impulsively and unwisely when we’re under stress.) The heart’s input to the brain during stressful or negative emotions also has a profound effect on the brain’s emotional processes—actually serving to reinforce the emotional experience of stress.

In contrast, the more ordered and stable pattern of the heart’s input to the brain during positive emotional states has the opposite effect – it facilitates cognitive function and reinforces positive feelings and emotional stability. This means that learning to generate increased heart rhythm coherence, by sustaining positive emotions, not only benefits the entire body, but also profoundly affects how we perceive, think, feel, and perform.

Stress and anxiety have a major impact on the health and well-being of your patients. What if you could teach them simple techniques that could help them connect with their heart to manage stress and learn to regulate their emotions? Science demonstrates that we can train our autonomic nervous system to support our well-being. Evidence-based techniques and technology provide objective and measurable ways to see improvements in physiological and behavioral functioning.

HRV - Assessment

Many factors affect the activity of the ANS, and therefore influence HRV. These include our breathing patterns, physical exercise, and even our thoughts. Research at the HeartMath Institute has shown that one of the most powerful factors that affect our heart’s changing rhythm is our feelings and emotions. When our varying heart rate is plotted over time, the overall shape of the waveform produced is called the heart rhythm pattern. When you use the emWave and Inner Balance technologies, you are seeing your heart rhythm pattern in real time. HeartMath research has found that the emotions we experience directly affect our heart rhythm pattern – and this, in turn, tells us much about how our body is functioning.

In general, emotional stress – including emotions such as anger, frustration, and anxiety—gives rise to heart rhythm patterns that appear irregular and erratic: the HRV waveform looks like a series of uneven, jagged peaks (an example is shown in the figure below). Scientists call this an incoherent heart rhythm pattern. Physiologically, this pattern indicates that the signals produced by the two branches of the ANS are out of sync with each other. This can be likened to driving a car with one foot on the gas pedal (the sympathetic nervous system) and the other on the brake (the parasympathetic nervous system) at the same time – this creates a jerky ride, burns more gas, and isn’t great for your car, either! Likewise, the incoherent patterns of physiological activity associated with stressful emotions can cause our body to operate inefficiently, deplete our energy, and produce extra wear and tear on our whole system. This is especially true if stress and negative emotions are prolonged or experienced often.

In contrast, positive emotions send a very different signal throughout our body. When we experience uplifting emotions such as appreciation, joy, care, and love; our heart rhythm pattern becomes highly ordered, looking like a smooth, harmonious wave (an example is shown in the figure below). This is called a coherent heart rhythm pattern. When we are generating a coherent heart rhythm, the activity in the two branches of the ANS is synchronized and the body’s systems operate with increased efficiency and harmony. It’s no wonder that positive emotions feel so good – they actually help our body’s systems synchronize and work better.

Coherence: A State of Optimal Function

The HeartMath Institute’s research has shown that generating sustained positive emotions facilitates a body-wide shift to a specific, scientifically measurable state. This state is termed psychophysiological coherence, because it is characterized by increased order and harmony in both our psychological (mental and emotional) and physiological (bodily) processes. Psychophysiological coherence is state of optimal function. Research shows that when we activate this state, our physiological systems function more efficiently, we experience greater emotional stability, and we also have increased mental clarity and improved cognitive function. Simply stated, our body and brain work better, we feel better, and we perform better.

Physiologically, the coherence state is marked by the development of a smooth, sine-wave-like pattern in the heart rate variability trace. This characteristic pattern, called heart rhythm coherence, is the primary indicator of the psychophysiological coherence state, and is what the emWave and Inner Balance technologies measure and quantify. A number of important physiological changes occur during coherence. The two branches of the ANS synchronize with one another, and there is an overall shift in autonomic balance toward increased parasympathetic activity. There is also increased physiological entrainment—a number of different bodily systems synchronize to the rhythm generated by the heart. Finally, there is increased synchronization between the activity of the heart and brain.

The HeartMath® System introduces you to a powerful tool to help you increase physiological coherence. Use the Quick Coherence® Technique in your daily life to reduce the effects of stress and the emWave® technology to enhance your coherence practice. For more information please visit www.HeartMath.com.

HeartMath assessments are performed by Dr. Capitano, DC.