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Electroencephalography and Local Field Potentials in Animals 

Electroencephalography and Local Field Potentials in Animals
Electroencephalography and Local Field Potentials in Animals

Sean Reed

, Sonia Jego

, and Antoine Adamantidis

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date: 28 July 2021

This chapter discusses the history, practice, and application of electroencephalography (EEG) and local field potential (LFP) recordings, with a particular focus on animal models. EEG measures the fluctuations of electrical activity resulting from ionic currents in the brain. These measurements are often taken from electrodes placed on the surface of the scalp, or in animal models, directly on the skull. LFP recordings are more invasive, measuring electrical current from all nearby dendritic synaptic activity within a volume of tissue. These two techniques are useful in determining how neural activity can synchronize during different behavioral or motivational states.

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