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  Heart-brain interactions shape somatosensory perception and evoked potentials

Al, E., Fivos, I., Forschack, N., Nierhaus, T., Grund, M., Motyka, P., et al. (2020). Heart-brain interactions shape somatosensory perception and evoked potentials. Proceedings of the National Academy of Sciences of the United States of America, 117(19), 10575-10584. doi:10.1073/pnas.1915629117.

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 Urheber:
Al, Esra1, 2, Autor           
Fivos, Iliopoulos1, 3, Autor           
Forschack, Norman1, 4, Autor           
Nierhaus, Till1, 5, Autor           
Grund, Martin1, Autor           
Motyka, Pawel6, Autor
Gaebler, Michael1, 2, Autor           
Nikulin, Vadim V.1, 7, Autor           
Villringer, Arno1, 2, Autor           
Affiliations:
1Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
2MindBrainBody Institute, Berlin School of Mind and Brain, Humboldt University Berlin, Germany, ou_persistent22              
3International Max Planck Research School on the Life Course, Max Planck Institute for Human Development, Berlin, Germany, ou_persistent22              
4Department of Experimental Psychology and Methods, University of Leipzig, Germany, ou_persistent22              
5Neurocomputation and Neuroimaging Unit, FU Berlin, Germany, ou_persistent22              
6Faculty of Psychology, University of Warsaw, Poland, ou_persistent22              
7Institute of Cognitive Neuroscience, National Research University Higher School of Economics, Moscow, Russia, ou_persistent22              

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Schlagwörter: Consciousness; Somatosensory awareness; Body–brain interaction; EEG; Rhythms
 Zusammenfassung: Even though humans are mostly not aware of their heartbeats, several heartbeat-related effects have been reported to influence conscious perception. It is not clear whether these effects are distinct or related phenomena, or whether they are early sensory effects or late decisional processes. Combining electroencephalography and electrocardiography, along with signal detection theory analyses, we identify two distinct heartbeat-related influences on conscious perception differentially related to early vs. late somatosensory processing. First, an effect on early sensory processing was found for the heartbeat-evoked potential (HEP), a marker of cardiac interoception. The amplitude of the prestimulus HEP negatively correlated with localization and detection of somatosensory stimuli, reflecting a more conservative detection bias (criterion). Importantly, higher HEP amplitudes were followed by decreases in early (P50) as well as late (N140, P300) somatosensory- evoked potential (SEP) amplitudes. Second, stimulus timing along the cardiac cycle also affected perception. During systole, stimuli were detected and correctly localized less frequently, relating to a shift in perceptual sensitivity. This perceptual attenuation was accom- panied by the suppression of only late SEP components (P300) and was stronger for individuals with a more stable heart rate. Both heart-related effects were independent of alpha oscillations’ influence on somatosensory processing. We explain cardiac cycle timing effects in a predictive coding account and suggest that HEP-related effects might reflect spontaneous shifts between interoception and exteroception or modulations of general attentional resources. Thus, our results provide a general conceptual framework to explain how internal signals can be integrated into our conscious perception of the world.

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Sprache(n): eng - English
 Datum: 2019-10-242020-03-262020-04-272020-05-12
 Publikationsstatus: Erschienen
 Seiten: 10
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1073/pnas.1915629117
Anderer: epub 2021
PMID: 32341167
 Art des Abschluß: -

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Grant ID : GRK 2386; SFB 1052; MU 972/25-1
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Förderorganisation : German Research Foundation (DFG)
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Grant ID : 13GW0206B
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Förderorganisation : Federal Ministry of Education & Research (BMBF)
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Förderorganisation : National Research University Higher School of Economics Basic Research Program
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Förderorganisation : Ministry of Education and Science, Russian Federation

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Titel: Proceedings of the National Academy of Sciences of the United States of America
  Andere : Proc. Acad. Sci. USA
  Andere : Proc. Acad. Sci. U.S.A.
  Andere : Proceedings of the National Academy of Sciences of the USA
  Kurztitel : PNAS
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: -
Seiten: 10 Band / Heft: 117 (19) Artikelnummer: - Start- / Endseite: 10575 - 10584 Identifikator: ISSN: 0027-8424
CoNE: https://pure.mpg.de/cone/journals/resource/954925427230