NDLI: Utilizing Heartbeat Evoked Potentials to Identify Cardiac Regulation of Vagal Afferents During Emotion and Resonant Breathing

Content Provider	Springer Nature Link
Author	MacKinn, Starr Gevirtz, Richard McCraty, Rollin Brown, Milton
Copyright Year	2013
Abstract	The importance of the bi-directional communication between the heart and brain has been known for over 100 years (Lane et al. in NeuroImage 44:213–222, 2009a, Psychosom Med 2:117–134, 2009b) and plays an important role in many of the prominent theories of psychophysiology today. Utilizing heartbeat evoked potentials (HEPs), we sought to determine whether heart rate variability (HRV) was related to the strength of the connection between the heart and brain. We also hypothesized that differing emotion states would result in differing amplitudes of HEPs. Participants were induced into emotional states with an autobiographical script of their happiest and saddest memory. HEPs were also recorded during diaphragmatic breathing at six breaths per minute. The evoked potentials during the emotional conditions, especially negative emotion were most attenuated. We believe that the signal from the heart to the brain may be filtered by central limbic structures affecting the level of the signal at the cortex. It also appears that HRV affects the strength of HEPs, especially during resonant breathing. Significant neurocardiac gender differences were also present across all conditions. The results of this study support the theory and speculation of many authors who believe vagal afferents play a role in brain function.
Starting Page	241
Ending Page	255
Page Count	15
File Format	PDF
ISSN	10900586
Journal	Applied Psychophysiology and Biofeedback
Volume Number	38
Issue Number	4
e-ISSN	15733270
Language	English
Publisher	Springer US
Publisher Date	2013-07-04
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Vagal afferents Heart rate variability Resonant breathing Emotion Heartbeat evoked potentials Central autonomic network Psychology Health Psychology Public Health Psychotherapy and Counseling
Content Type	Text
Resource Type	Article
Subject	Neuropsychology and Physiological Psychology Applied Psychology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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