Respiratory Modulation of Cortical Rhythms - Testing The Phase Transition Hypothesis

Kozma, Róbert; Davis, Joshua J. J.; Schübeler, Florian; McAfee, Samuel S.; Wheless, James W.; Heck, Detlef

doi:10.1109/smc53654.2022.9945505

Cited by 1 publication

(1 citation statement)

References 31 publications

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“…In recent years, the important role of rhythmic breathing on psychophysiological coherence has been clearly identified [ 56 , 57 ], including the respiratory modulation of cognitive functions in epileptic patients [ 58 ]. The delicate balance of various rhythms in the human body and the relationship to general well-being [ 59 ] has been documented, including a comprehensive study on heart rhythm synchronization with the Earth’s time-varying magnetic field [ 60 ].…”

Section: Discussionmentioning

confidence: 99%

Information-Theoretical Analysis of the Cycle of Creation of Knowledge and Meaning in Brains under Multiple Cognitive Modalities

Davis,

Schübeler,

Kozma

2024

Sensors

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It is of great interest to develop advanced sensory technologies allowing non-invasive monitoring of neural correlates of cognitive processing in people performing everyday tasks. A lot of progress has been reported in recent years in this research area using scalp EEG arrays, but the high level of noise in the electrode signals poses a lot of challenges. This study presents results of detailed statistical analysis of experimental data on the cycle of creation of knowledge and meaning in human brains under multiple cognitive modalities. We measure brain dynamics using a HydroCel Geodesic Sensor Net, 128-electrode dense-array electroencephalography (EEG). We compute a pragmatic information (PI) index derived from analytic amplitude and phase, by Hilbert transforming the EEG signals of 20 participants in six modalities, which combine various audiovisual stimuli, leading to different mental states, including relaxed and cognitively engaged conditions. We derive several relevant measures to classify different brain states based on the PI indices. We demonstrate significant differences between engaged brain states that require sensory information processing to create meaning and knowledge for intentional action, and relaxed-meditative brain states with less demand on psychophysiological resources. We also point out that different kinds of meanings may lead to different brain dynamics and behavioral responses.

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