Does stroke volume influence heartbeat evoked responses?
Open accessAbstract
We know surprisingly little on how heartbeat-evoked responses (HERs) vary with cardiac parameters. Here, we measured both stroke volume, or volume of blood ejected at each heartbeat, with impedance cardiography, and HER amplitude with magneto-encephalography, in 21 male and female participants at rest with eyes open. We observed that HER co-fluctuates with stroke volume on a beat-to-beat basis, but only when no correction for cardiac artifact was performed. This highlights the importance of an ICA correction tailored to the cardiac artifact. We also observed that easy-to-measure cardiac parameters (interbeat intervals, ECG amplitude) are sensitive to stroke volume fluctuations and can be used as proxies when stroke volume measurements are not available. Finally, interindividual differences in stroke volume were reflected in MEG data, but whether this effect is locked to heartbeats is unclear. Altogether, our results question assumptions on the link between stroke volume and HERs.
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Cardiac parameters themselves such as heart rate or stroke volume seem to have only a limited influence on HERs' variability.
“So far, cardiac parameters themselves such as heart rate or stroke volume seem to have only a limited influence on HERs' variability 79-81 .”
From Interoceptive rhythms in the brain (2023) · cites this paper as [80]
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Interoceptive rhythms in the brain
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- Authors
- Buot, A., Azzalini, D., Chaumon, M., & Tallon-Baudry, C.
- Affiliations
- Inserm (FR)
- Centre National de la Recherche Scientifique (FR)
- Corresponding author
- Buot, Anne
- Venue
- Biological Psychology
- Publisher
- Elsevier BV
- Published
- 2021-10
- Volume
- 165
- Pages
- 108165
- ISSN
- 0301-0511 (ISSN-L)
- OpenAlex
- W3196236258
- Cited by
- 46
- References
- 7
- Citations by year
- 2026: 11 · 2025: 13 · 2024: 9 · 2023: 4 · 2022: 7 · 2021: 2
- FWCI
- 1.07
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- www.elsevier.com/tdm/userlicense/1.0/ (tdm)
- www.elsevier.com/legal/tdmrep-license (tdm)
- www.elsevier.com/open-access/userlicense/1.0/ (am, 334 d)
- doi.org/10.15223/policy-017 (stm-asf)
- doi.org/10.15223/policy-037 (stm-asf)
- doi.org/10.15223/policy-012 (stm-asf)
- doi.org/10.15223/policy-029 (stm-asf)
- doi.org/10.15223/policy-004 (stm-asf)
- Locations
- Biological Psychology (acceptedVersion)
- PubMed (publishedVersion)
- HAL (submittedVersion, other-oa)
- Funders
- Canadian Institute for Advanced Research
- European Research Council
- Agence nationale de la recherche
- École des Neurosciences de Paris Île-de-France
- Topics
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
- Life Sciences › Neuroscience › Cognitive Neuroscience › EEG and Brain-Computer Interfaces
- Keywords
- stroke volume, independent component analysis, magnetoencephalography, impedance cardiography, RR interval, individual differences, cardiac parameters
- MeSH terms
- Cardiac Output, Cardiography, Impedance, Female, Heart, Heart Rate, Humans, Male, Stroke Volume
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