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Theta-Gamma Cross-Frequency Analyses (Hippocampus)

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Encyclopedia of Computational Neuroscience

Synonyms

Amplitude-amplitude coupling; n:m phase-locking; Phase-amplitude coupling; Phase-frequency coupling; Phase-phase coupling

Definition

Brain oscillations of different frequencies can coexist and influence each other. A cross-frequency interaction occurs when a feature from one oscillation (i.e., instantaneous amplitude, phase, or frequency) depends on a feature from another oscillation at a distinct frequency. These phenomena have been collectively called cross-frequency coupling (CFC). There are multiple types of CFC, such as phase-amplitude coupling, amplitude-amplitude coupling, and n:m phase-locking. Several metrics have been devised to quantify CFC.

Detailed Description

The study of the electrical activity produced by the brain dates back to Richard Caton in 1875, who employed a galvanometer to record from the cortex of rabbits (Geddes 1987). Neuronal spikes and extracellular field potentials have been since recorded from several brain regions of different species, and...

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Correspondence to Adriano B. L. Tort .

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Scheffer-Teixeira, R., Tort, A.B.L. (2018). Theta-Gamma Cross-Frequency Analyses (Hippocampus). In: Jaeger, D., Jung, R. (eds) Encyclopedia of Computational Neuroscience. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-7320-6_100658-1

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  • DOI: https://doi.org/10.1007/978-1-4614-7320-6_100658-1

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  • Print ISBN: 978-1-4614-7320-6

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