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Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns
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Heartbeat-evoked cortical responses: Underlying mechanisms, functional roles, and methodological considerations
Hyeong-Dong Park1, Olaf Blanke2
1Laboratory of Cognitive Neuroscience, Center for Neuroprosthetics and Brain Mind Institute, Swiss Federal Institute of Technology (EPFL), 9 Chemin des Mines, 1202, Geneva, Switzerland.
Neuroimage
|May 4, 2019
Summary
The heartbeat-evoked potential (HEP) reflects brain activity processing cardiac signals. This review explores HEP
Area of Science:
- Neuroscience
- Cardiology
- Psychology
Background:
- The brain and heart engage in continuous bidirectional communication.
- Emerging research highlights brain-heart interactions in cognition and emotion.
- The heartbeat-evoked potential (HEP) offers a window into cortical processing of cardiac signals.
Purpose of the Study:
- To review the fundamental properties of the heartbeat-evoked potential (HEP).
- To systematically examine mental processes linked to HEP activations.
- To discuss methodological challenges in HEP research.
Main Methods:
- Overview of physiological pathways, brain regions, and neural mechanisms of HEP.
- Systematic review of studies on HEP in relation to mental processes.
- Discussion of experimental design and data analysis for artifact reduction.
Main Results:
- HEP is associated with heartbeat perception, emotional feelings, perceptual awareness, and self-consciousness.
- HEP research includes both healthy subjects and clinical populations.
- Careful control of artifacts is crucial for reliable HEP measurement.
Conclusions:
- The heartbeat-evoked potential (HEP) can serve as a valid neural marker for brain-viscera interactions.
- HEP research provides insights into diverse mental processes.
- Methodological rigor is essential for advancing HEP as a reliable neuroscientific tool.
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