Identifying Phase-Amplitude Coupling in Cyclic Alternating Pattern using Masking Signals.

ABSTRACT: Judiciously classifying phase-A subtypes in cyclic alternating pattern (CAP) is critical for investigating sleep dynamics. Phase-amplitude coupling (PAC), one of the representative forms of neural rhythmic interaction, is defined as the amplitude of high-frequency activities modulated by the phase of low-frequency oscillations. To examine PACs under more or less synchronized conditions, we propose a nonlinear approach, named the masking phase-amplitude coupling (MPAC), to quantify physiological interactions between high (?/low?) and low (?) frequency bands. The results reveal that the coupling intensity is generally the highest in subtype A1 and lowest in A3. MPACs among various physiological conditions/disorders (p?

SUBMITTER: Yeh CH 

PROVIDER: S-EPMC5805690 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature