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Heart-Brain Interactions Shape Somatosensory Perception and Evoked Potentials

View ORCID ProfileEsra Al, Fivos Iliopoulos, Norman Forschack, Till Nierhaus, Martin Grund, Paweł Motyka, Michael Gaebler, Vadim V. Nikulin, Arno Villringer
doi: https://doi.org/10.1101/750315
Esra Al
1Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
2Berlin School of Mind and Brain and MindBrainBody Institute at Humboldt-Universita□t zu Berlin, Germany
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  • ORCID record for Esra Al
  • For correspondence: esraal@cbs.mpg.de villringer@cbs.mpg.de
Fivos Iliopoulos
1Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
3International Max Planck Research School on the Life Course (LIFE), Max Planck Institute for Human Development, Berlin, Germany
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Norman Forschack
1Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
4Experimental Psychology and Methods, Faculty of Life Sciences, University of Leipzig, Leipzig, Germany
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Till Nierhaus
1Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
5Neurocomputation and Neuroimaging Unit (NNU), Department of Education and Psychology, Freie Universität Berlin, Germany
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Martin Grund
1Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
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Paweł Motyka
6Faculty of Psychology, University of Warsaw, Warsaw, Poland
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Michael Gaebler
1Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
2Berlin School of Mind and Brain and MindBrainBody Institute at Humboldt-Universita□t zu Berlin, Germany
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Vadim V. Nikulin
1Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
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Arno Villringer
1Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
2Berlin School of Mind and Brain and MindBrainBody Institute at Humboldt-Universita□t zu Berlin, Germany
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  • For correspondence: esraal@cbs.mpg.de villringer@cbs.mpg.de
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ABSTRACT

Human perception either refers to the external world, exteroception, or internal body parts such as the heart, interoception. How these two types of perception interact is poorly understood. Using electroencephalography, we identify two heartbeat-related modulations of conscious somatosensory perception: (i) When stimulus timing coincided with systole of the cardiac cycle, participants were less likely to detect and localize somatosensory stimuli, and late components (P300) of the somatosensory-evoked potential (SEP) were attenuated. (ii) The amplitude of the heartbeat-evoked potential (HEP) negatively correlated with detection bias (criterion) and localization accuracy. Furthermore, higher HEP amplitudes were followed by decreases in both early and late SEP amplitudes. Both heartbeat-related effects were independent of the alpha oscillations’ influence on somatosensory processing. We conclude that internal signals are integrated into our conscious perception of the world, and connect our results to predictive processing (heartbeat-coupled stimulus timing) and attentional shifts between exteroception and interoception (HEP amplitude).

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Posted August 29, 2019.
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Heart-Brain Interactions Shape Somatosensory Perception and Evoked Potentials
Esra Al, Fivos Iliopoulos, Norman Forschack, Till Nierhaus, Martin Grund, Paweł Motyka, Michael Gaebler, Vadim V. Nikulin, Arno Villringer
bioRxiv 750315; doi: https://doi.org/10.1101/750315
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Heart-Brain Interactions Shape Somatosensory Perception and Evoked Potentials
Esra Al, Fivos Iliopoulos, Norman Forschack, Till Nierhaus, Martin Grund, Paweł Motyka, Michael Gaebler, Vadim V. Nikulin, Arno Villringer
bioRxiv 750315; doi: https://doi.org/10.1101/750315

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