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  Interactions between cardiac activity and conscious somatosensory perception

Motyka, P., Grund, M., Forschack, N., Al, E., Villringer, A., & Gaebler, M. (2019). Interactions between cardiac activity and conscious somatosensory perception. Psychophysiology, e13424. doi:10.1111/psyp.13424.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-E349-B Version Permalink: http://hdl.handle.net/21.11116/0000-0004-6504-6
Genre: Journal Article

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Motyka et al. (2019) Interactions between cardiac activity and conscious somatosensory perception.pdf (Preprint), 1012KB
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 Creators:
Motyka, Paweł 1, 2, Author
Grund, Martin2, Author              
Forschack, Norman2, 3, Author              
Al, Esra2, 4, Author              
Villringer, Arno2, Author              
Gaebler, Michael2, 4, 5, Author              
Affiliations:
1Faculty of Psychology, University of Warsaw, Poland, ou_persistent22              
2Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
3Experimental Psychology and Methods, Faculty of Life Sciences, University of Leipzig, Germany, ou_persistent22              
4MindBrainBody Institute at the Berlin School of Mind and Brain, Humboldt‐Universität zu Berlin, Germany, ou_persistent22              
5Leipzig Research Centre for Civilization Diseases (LIFE), University of Leipzig, Germany, ou_persistent22              

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Free keywords: cardiac cycle; heart rate; interoception; perceptual awareness; somatosensory perception
 Abstract: Fluctuations in the heart's activity can modulate the access of external stimuli to consciousness. The link between perceptual awareness and cardiac signals has been investigated mainly in the visual and auditory domain. Here, we investigated whether the phase of the cardiac cycle and the prestimulus heart rate influence conscious somatosensory perception. We also tested how conscious detection of somatosensory stimuli affects the heart rate. Electrocardiograms (ECG) of 33 healthy volunteers were recorded while applying near‐threshold electrical pulses at a fixed intensity to the left index finger. Conscious detection was not uniformly distributed across the cardiac cycle but significantly higher in diastole than in systole. We found no evidence that the heart rate before a stimulus influenced its detection, but hits (correctly detected somatosensory stimuli) led to a more pronounced cardiac deceleration than misses. Our findings demonstrate interactions between cardiac activity and conscious somatosensory perception, which highlights the importance of internal bodily states for sensory processing beyond the auditory and visual domain.

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Language(s): eng - English
 Dates: 2019-04-302019-01-292019-05-252019-06-27
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1111/psyp.13424
PMID: 31245848
Other: Epub ahead of print
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Funding organization : National Science Centre, Poland
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Grant ID : 13GW0206B
Funding program : -
Funding organization : German Federal Ministry of Education and Research (BMBF)

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Title: Psychophysiology
Source Genre: Journal
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Publ. Info: New York, NY [etc.] : Blackwell Publishing Inc. [etc.]
Pages: - Volume / Issue: - Sequence Number: e13424 Start / End Page: - Identifier: ISSN: 0048-5772
CoNE: https://pure.mpg.de/cone/journals/resource/954925334698