This study reports on a multivariate complexity assessment for cardiovascular dynamics during REM sleep leading to a dream recall. Heart rate variability, as well as systolic and diastolic time interval variability series were gathered from eight volunteers during night sleep, and were considered input of a trivariate Multichannel Complexity Index (MCI) analysis. MCI is a recently proposed index based on a multivariate phase space reconstruction accounting for the intrinsic nonlinearity of the autonomic nervous system dynamics. Results show a significant MCI decrease during REM sleep epochs followed by a dream recall as compared to those associated with no dream recall (p < 10-18). This implies a lower interplay between complex cardiovascular subcomponents during dreaming, complementing current psychophysiological correlates of sleep.

Multichannel Complexity Index Analysis for Cardiovascular Dynamics associated with a Dream Recall

Nardelli M.
Primo
;
Faraguna U.;Scilingo E. P.;Valenza G.
2020-01-01

Abstract

This study reports on a multivariate complexity assessment for cardiovascular dynamics during REM sleep leading to a dream recall. Heart rate variability, as well as systolic and diastolic time interval variability series were gathered from eight volunteers during night sleep, and were considered input of a trivariate Multichannel Complexity Index (MCI) analysis. MCI is a recently proposed index based on a multivariate phase space reconstruction accounting for the intrinsic nonlinearity of the autonomic nervous system dynamics. Results show a significant MCI decrease during REM sleep epochs followed by a dream recall as compared to those associated with no dream recall (p < 10-18). This implies a lower interplay between complex cardiovascular subcomponents during dreaming, complementing current psychophysiological correlates of sleep.
2020
978-1-7281-5751-1
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/1066740
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