Cited by 91Memory and Neural MechanismsHeart Rate Variability and Autonomic ControlVagus Nerve Stimulation Research

Resting heart rate variability predicts safety learning and fear extinction in an interoceptive fear conditioning paradigm

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Pappens, Meike, Schroijen, Mathias, Sütterlin, Stefan, Smets, Elyn, Van den Bergh, Omer, Thayer, Julian F., Van Diest, Ilse·2014·PLoS ONE

Abstract

This study aimed to investigate whether interindividual differences in autonomic inhibitory control predict safety learning and fear extinction in an interoceptive fear conditioning paradigm. Data from a previously reported study (N = 40) were extended (N = 17) and re-analyzed to test whether healthy participants' resting heart rate variability (HRV) - a proxy of cardiac vagal tone - predicts learning performance. The conditioned stimulus (CS) was a slight sensation of breathlessness induced by a flow resistor, the unconditioned stimulus (US) was an aversive short-lasting suffocation experience induced by a complete occlusion of the breathing circuitry. During acquisition, the paired group received 6 paired CS-US presentations; the control group received 6 explicitly unpaired CS-US presentations. In the extinction phase, both groups were exposed to 6 CS-only presentations. Measures included startle blink EMG, skin conductance responses (SCR) and US-expectancy ratings. Resting HRV significantly predicted the startle blink EMG learning curves both during acquisition and extinction. In the unpaired group, higher levels of HRV at rest predicted safety learning to the CS during acquisition. In the paired group, higher levels of HRV were associated with better extinction. Our findings suggest that the strength or integrity of prefrontal inhibitory mechanisms involved in safety- and extinction learning can be indexed by HRV at rest.

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Authors
Pappens, M., Schroijen, M., Sütterlin, S., Smets, E., Van den Bergh, O., Thayer, J. F., & Van Diest, I.
Affiliations
  • KU Leuven (BE)
  • Oslo University Hospital (NO)
  • The Ohio State University (US)
Venue
PLoS ONE
Published
2014-09-02
Volume
9
Issue
9
Pages
e105054
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2048452923
Cited by
91
References
68
Citations by year
2026: 7 · 2025: 5 · 2024: 10 · 2023: 7 · 2022: 7 · 2021: 6 · 2020: 8 · 2019: 8 · 2018: 6 · 2017: 8 · 2016: 11 · 2015: 8
FWCI
5.02
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Lirias (submittedVersion, other-oa)
  • NORA - Norwegian Open Research Archives (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
Funders
  • Fonds Wetenschappelijk Onderzoek
  • Vlaamse regering
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
  • Life Sciences › Neuroscience › Neurology › Vagus Nerve Stimulation Research
Keywords
resting heart rate variability, cardiac vagal tone, safety learning, fear extinction, individual differences, skin conductance response
MeSH terms
Adolescent, Adult, Blinking, Conditioning, Classical, Electromyography, Extinction, Psychological, Fear, Female, Galvanic Skin Response, Heart Rate, Humans, Learning, Male, Reflex, Startle, Young Adult, Interoception

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