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Neural Responses to Heartbeats of Physically Trained and Sedentary Young Adults

View ORCID ProfilePandelis Perakakis, Antonio Luque Casado, Luis Ciria, Plamen Ivanov, View ORCID ProfileDaniel Sanabria
doi: https://doi.org/10.1101/156802
Pandelis Perakakis
1Brain, Mind, & Behavior Research Center, University of Granada, Spain
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Antonio Luque Casado
1Brain, Mind, & Behavior Research Center, University of Granada, Spain
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Luis Ciria
1Brain, Mind, & Behavior Research Center, University of Granada, Spain
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Plamen Ivanov
2Harvard Medical School and Division of Sleep Medicine, Brigham and Women’s Hospital, Boston, US
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Daniel Sanabria
1Brain, Mind, & Behavior Research Center, University of Granada, Spain
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Abstract

Regular physical exercise has a positive impact on brain function and cognitive performance. However, it is not yet clear whether the physiological and behavioral benefits associated to physical exercise are caused exclusively by changes in cardiovascular fitness. Here, we explore the relation between regular physical exercise and transient electroencephalographic responses to afferent cardiac signals. We find differences in the neural processing of heartbeats between individuals who exercise regularly and their sedentary counterparts. These differences, localised at two distinct spatio-temporal clusters, occur before the presentation of a target stimulus and correlate with behavioral performance only in the high-fit group. We hypothesise that the different neural processing of afferent cardiac activity by physically trained individuals reflects enhanced interoceptive sensitivity, which contributes to improved sustained attention. Our results are in line with recent research highlighting the role of neural monitoring of visceral signals in perceptual processing and even the generation of the sense of self.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY 4.0 International license.
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Posted June 28, 2017.
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Neural Responses to Heartbeats of Physically Trained and Sedentary Young Adults
Pandelis Perakakis, Antonio Luque Casado, Luis Ciria, Plamen Ivanov, Daniel Sanabria
bioRxiv 156802; doi: https://doi.org/10.1101/156802
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Neural Responses to Heartbeats of Physically Trained and Sedentary Young Adults
Pandelis Perakakis, Antonio Luque Casado, Luis Ciria, Plamen Ivanov, Daniel Sanabria
bioRxiv 156802; doi: https://doi.org/10.1101/156802

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