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Sensitivity to changes in rate of heartbeats as a measure of interoceptive ability

Larsson, Dennis; Esposito, Giulia; Critchley, Hugo; Dienes, Zoltan; Garfinkel, Sarah; (2020) Sensitivity to changes in rate of heartbeats as a measure of interoceptive ability. PsyArXiv Preprints: Charlottesville, VA, USA. Green open access

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Abstract

Interoception is the sensing of internal bodily signals. Individuals vary in their ability to perceive, as conscious sensations, signals like the beating of the heart. Tests of such interoceptive ability are, however, constrained in nature and reliability. Performance of the heartbeat tracking task, a widely used test of cardiac interoception, often corresponds well with individual differences in emotion and cognition, yet is susceptible to reporting bias and influenced by higher order knowledge, e.g. of expected heart rate. The present study introduces a new way of assessing cardiac interoceptive ability, focusing on sensitivity to short-term, naturalistic changes in frequency of heartbeats. Results indicate an overall tendency to report fewer heartbeats during accelerations in heart rate. This finding may be driven in part by respiration, with a reduction in heartbeat salience during inspiratory periods when heart rate typically increases. Within-participant performance was also marked by a high degree of variability relative to the heartbeat counting task. Rather than a veridical monitoring of subtle variations in physiology, cardiac interoceptive ability appears to involve interpolation, wherein interoceptive decisions are informed by a dynamic working estimate from, the integration of afferent signalling with higher order predictions.

Type: Working / discussion paper
Title: Sensitivity to changes in rate of heartbeats as a measure of interoceptive ability
Open access status: An open access version is available from UCL Discovery
DOI: 10.31234/osf.io/v34a7
Publisher version: http://dx.doi.org/10.31234/osf.io/v34a7
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Interoception; Heart rate variability; Psychophysics; Metacognition
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Institute of Cognitive Neuroscience
URI: https://discovery-pp.ucl.ac.uk/id/eprint/10190098
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