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Cardiac responses to auditory irregularities reveal hierarchical information processing during sleep
Koroma, Matthieu; Boulakis, Paradeisios; Raimondo, Federico et al.
2024
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Abstract :
[en] Our ability to process environmental stimuli varies during sleep. Although much research focused on neural processing, emerging evidence shows that bodily signals may play a key role in understanding high-level sensory processing during sleep. Here, we tested how cardiac responses to the local-global paradigm, a typical oddball task probing the processing of simple (local) and complex (global) sensory irregularities. To do so, we analyzed electrocardiography (ECG) signals in a total of 56 participants from two existing datasets which contained cerebral responses to local auditory irregularities, but which did not analyze the ECG data before. We found that cardiac activity slowed down after global, but not local, auditory irregularities, revealing the presence of global deviance effect in Rapid Eye Movement (REM) sleep. In contrast, cardiac activity was faster after local, but not global, deviants in Non-Rapid Eye Movement (NREM) sleep. Overall, our results demonstrate that cardiac responses to auditory irregularities inform about hierarchical information processing and its variations during sleep beyond cerebral activity. They highlight the embodiment of cognitive function and the value of cardiac signals to understand the variations of sensory processing during sleep.
Disciplines :
Neurosciences & behavior
Author, co-author :
Koroma, Matthieu  ;  Université de Liège - ULiège > GIGA > GIGA CRC In vivo Imaging - Physiology of Cognition
Boulakis, Paradeisios  ;  Université de Liège - ULiège > GIGA
Raimondo, Federico  ;  Université de Liège - ULiège > GIGA > GIGA Consciousness - Coma Science Group
Gialama, Vaia
Blume, Christine 
Strauss, Melanie 
Demertzi, Athina  ;  Université de Liège - ULiège > GIGA > GIGA CRC In vivo Imaging - Physiology of Cognition
Language :
English
Title :
Cardiac responses to auditory irregularities reveal hierarchical information processing during sleep
Publication date :
24 September 2024
Publisher :
BioArXiv
Funding text :
H2020 European Research Council, Grant/Award Numbers: 667875, 757763; Fonds De La Recherche Scientifique - FNRS, Grant/Award Numbers: 40005128 (MK), 40016559 (PB), 40003373 (AD), 40010566 (MS); EU Horizon 2020 Research and Innovation Marie Skłodowska-Curie RISE program “NeuronsXnets”, Grant/Award Number: 101007926; European Cooperation in Science and Technology (COST Action) Program “NeuralArchCon”, Grant/Award Number: CA18106. CB was supported by a fellowship of the Austrian Science Fund (FWF; J-4243), a grant from the Research Fund for Junior Researchers of the University of Basel, an Ambizione grant from the Swiss National Science Foundation (SNF; PZ00P1_201742), and funds from the Freiwillige Akademische Gesellschaft (FAG) and the Novartis Foundation for Biological-Medical Research.
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