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We invite you to browse the HeartMath Institute's extensive collection of research studies, articles, and other materials.

220 results for ‘study’

An Investigation Of The Effectiveness of Computer-Assisted Biofeedback For Students Diagnosed As Having Autism Spectrum Disorder: The Relationship Between The Use of Computer Assisted Biofeedback and On-Task Behavior - HeartMath Institute

Research Published: Jan. 1, 2003January 1, 2003

www.heartmath.org/research/research-library/dissertations/an-investigation-of-the-effectiveness-of-computer-assisted-biofeedback-for-students-diagnosed-as-having-autism-spectrum-disorder/

This study used a multiple-baseline design to examine the effects of computer-assisted biofeedback on engagement and self-regulation in children with autism. Results showed improved speed to engagement, on-task behavior, and academic performance for some participants, with educators noting behaviora...

Influence of Cardiac Afferent Input on Heart-Brain Synchronization and Cognitive Performance - HeartMath Institute

Research Published: Jan. 1, 2002January 1, 2002

www.heartmath.org/research/research-library/abstracts/influence-cardiac-afferent-input-heart-brain-synchronization-cognitive-performance/

This study explores neurophysiological correlates of sustained positive emotions, revealing heart-brain interactions and distinct brain activation during appreciation.

Functional Magnetic Resonance Imaging and Spectroscopy of Brain Activation During Heart Rhythm Coherence - HeartMath Institute

Research Published: Jan. 1, 2002January 1, 2002

www.heartmath.org/research/research-library/abstracts/functional-magnetic-resonance-hrv/

This study explores the neurophysiological basis of sustained positive emotions, revealing heart-brain interactions and distinct brain activation patterns linked to appreciation.

The Heart Reinnervates After Transplantation - HeartMath Institute

Research Published: Jan. 1, 2000January 1, 2000

www.heartmath.org/research/research-library/clinical-health-research/heart-reinnervates-after-transplantation/

Cardiac reinnervation post-transplant remains debated. Study in dogs shows nerve regrowth, partial functional recovery, and intrinsic neuronal remodeling, requiring direct assessment.

The Role of Physiological Coherence in the Detection and Measurement of Cardiac Energy Exchange Between People - HeartMath Institute

Research Published: Jan. 1, 1999January 1, 1999

www.heartmath.org/research/research-library/abstracts/role-of-physiological-coherence/

This study explores heart-generated electromagnetic fields in energy exchanges between individuals, showing measurable effects and potential healing applications.

Twenty-Four Hour Time Domain Heart Rate Variability and Heart Rate: Relations to Age and Gender Over Nine Decades - HeartMath Institute

Research Published: Jan. 1, 1998January 1, 1998

www.heartmath.org/research/research-library/clinical-health-research/twenty-four-hour-time-domain-hrv-heart-rate-relations-to-age-gender/

Study examines age and gender effects on heart rate variability (HRV) over nine decades. HRV decreases with age, with gender differences diminishing after 50 years.

The Impact of a New Emotional Self-Management Program on Stress, Emotions, Heart Rate Variability, DHEA and Cortisol - HeartMath Institute

Research Published: Jan. 1, 1998January 1, 1998

www.heartmath.org/research/research-library/clinical-health-research/impact-of-emotional-self-management-program-on-stress-emotions-hrv-dhea-cortisol/

Study shows new emotional self-management program reduces stress, negative emotions, and cortisol while increasing positive emotions and DHEA in healthy adults over one month.

Cardiac Coherence: A New, Noninvasive Measure of Autonomic Nervous System Order - HeartMath Institute

Research Published: Jan. 1, 1996January 1, 1996

www.heartmath.org/research/research-library/basic/cardiac-coherence-noninvasive-measure-of-autonomic-system-order/

Study of 20 subjects reveals emotional states affect autonomic balance. Three modes identified: normal, entrainment, and internal coherence. Positive emotions maybe beneficial in reducing hypertension.

Head-Heart Entrainment: A Preliminary Survey - HeartMath Institute

Research Published: Jan. 1, 1996January 1, 1996

www.heartmath.org/research/research-library/basic/head-heart-entrainment-preliminary-survey/

Study examines entrainment between HRV, respiration, and EEG in 5 subjects using self-management. Findings show frequency-locking and cross-correlations among biological oscillators.

A Pilot Intervention Program Which Reduces Psychological Symptomatology in Individuals with Human Immunodeficiency Virus - HeartMath Institute"

Research Published: Jan. 1, 1996January 1, 1996

www.heartmath.org/research/research-library/clinical-health-research/pilot-intervention-program-reduces-psychological-symptomatology-in-individuals/

A study on HIV-positive individuals showed the HeartMath program reduced anxiety, improved vitality, and enhanced overall well-being over six months

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