KEYWORDS: Electroencephalography, Heart, Brain, Chest, Statistical analysis, Linear filtering, Modulation, Electronic filtering, Sensors, Process control
To search for possible interactions between the autonomic heart control and the brain activity we have evaluated the relation between heart rate variability (HRV) and the alpha and beta EEG band power dynamics. The experiments consisted in the alteration of HRV induced by respiratory rhythm changes. Modifications in the time series of the spectral density in each band {causally related to the HRV{ were recognized in the central and occipital regions using a Granger causality approach. The number of subjects and distribution of channels in which there was a causal relation changed with the different tasks assigned to the subjects and the analyzed bands. The causal relation between HRV and beta power series was observed in at least one channel, in eight out of nine subjects for a resting condition. On the other hand, in the HRV and alpha power series analysis the change in distribution was less pronounced, and detected in a smaller number of subjects. The results suggest that the HRV may be associated with the spectral band power time series dynamics, and this relationship is altered by the respiration.
Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks.
You are receiving this notice because your organization may not have SPIE eBooks access.*
*Shibboleth/Open Athens users─please
sign in
to access your institution's subscriptions.
To obtain this item, you may purchase the complete book in print or electronic format on
SPIE.org.
INSTITUTIONAL Select your institution to access the SPIE Digital Library.
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.