Related Experiment Video
Updated: Aug 4, 2026

10:16
Psychophysiological Stress Assessment Using Biofeedback
Published on: July 31, 2009
Following the Rhythm of the Heart: HeartMath Institute's Path to HRV Biofeedback
1HeartMath Institute, Boulder Creek, USA, CA. rollin@heartmath.org.
Applied Psychophysiology and Biofeedback
|June 22, 2022
Summary
This study reviews the history of heart rate variability (HRV) biofeedback and its benefits for stress reduction and performance. It also explores HRV
Area of Science:
- Psychophysiology
- Biofeedback
- Behavioral Medicine
Background:
- Heart rate variability (HRV) biofeedback has emerged as a significant tool.
- Early research focused on individual self-regulation techniques.
- Collaborative efforts have expanded its scope.
Purpose of the Study:
- To outline the historical contributions to HRV and HRV coherence biofeedback.
- To discuss the health and wellness benefits of HRV feedback.
- To explore applications in group synchronization and social coherence.
Main Methods:
- Historical review of laboratory contributions and collaborations.
- Analysis of existing literature on HRV biofeedback applications.
- Discussion of future research trajectories.
Main Results:
- HRV biofeedback facilitates self-regulation for stress reduction and performance enhancement.
- HRV feedback shows potential for improving social coherence and physiological synchronization in groups.
- The field has evolved significantly due to dedicated research.
Conclusions:
- HRV biofeedback offers a range of benefits for individuals and groups.
- Further research is warranted to explore novel applications and refine techniques.
- The laboratory's contributions have been pivotal in advancing the field.
Related Concept Videos
Pulse rhythm
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...
Factors Influencing Heart Rate
The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
Location and Orientation of the Heart
The human heart, despite its modest size and weight, is an organ of remarkable strength and endurance. Roughly the size of a fist, the heart weighs between 250 and 350 grams and is nestled within the mediastinum, the medial cavity of the thorax. It extends obliquely for about 12 to 14 cm, resting on the superior surface of the diaphragm. The heart is positioned anterior to the vertebral column and posterior to the sternum, with two-thirds of its mass lying to the left of the midsternal line.
Disturbances in Heart Rhythm
Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
Heart Sounds
Heart sounds are generated by the turbulence in blood flow due to the closing of heart valves. These sounds are best perceived slightly away from the valves, where the blood flow disseminates the sound.
Auscultation is the process of listening to these internal body sounds using a stethoscope. The heart produces four types of sounds, but only two—S1 and S2—can usually be heard with a stethoscope.
S1, also known as the "lub" sound, is caused by the closure of atrioventricular (A-V) valves at the...
Auscultation is the process of listening to these internal body sounds using a stethoscope. The heart produces four types of sounds, but only two—S1 and S2—can usually be heard with a stethoscope.
S1, also known as the "lub" sound, is caused by the closure of atrioventricular (A-V) valves at the...
Regulation of Heart Rates
The regulation of heart rate is a complex process controlled by the autonomic nervous system (ANS), hormonal influences, and intrinsic cardiac mechanisms. The ANS has two main components: the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS).
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...

