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Cross-Frequency Phase–Phase Coupling between Theta and Gamma Oscillations

Cross-Frequency Phase–Phase Coupling between Theta and Gamma Oscillations. Jaeseung Jeong, Ph.D Department of Bio and Brain Engineering, KAIST. Neuronal oscillations allow for temporal segmentation of neuronal spikes. Interdependent oscillators can integrate multiple layers of information.

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Cross-Frequency Phase–Phase Coupling between Theta and Gamma Oscillations

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  1. Cross-Frequency Phase–Phase Coupling between Theta and Gamma Oscillations Jaeseung Jeong, Ph.D Department of Bio and Brain Engineering, KAIST

  2. Neuronal oscillations allow for temporal segmentation of neuronal spikes. Interdependent oscillators can integrate multiple layers of information. • Neuronal oscillations are a natural mechanism for forming cell assemblies since most brain oscillations are inhibition based, and inhibition can segregate spike train messages. • The cerebral cortex generates multitudes of oscillations at different frequencies, but how the various rhythms interact with each other is not well understood.

  3. A well-studied mechanism is cross-frequency coupling. As described first in the hippocampus, the phase of theta oscillations biases the amplitude of the gamma waves [phase–amplitude (P–A) coupling or “nested” oscillations].

  4. What is the role for theta-gamma coupling?

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