Field Potentials in the Central Nervous System: Recording, Analysis, and Modeling
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In contrast to unit action potentials recorded from discrete neurons, field potentials, as the name implies, are not restricted to the spatial domain of a neuron or of the brain. As a result of the volume-conducting properties of the brain, field potentials reflect activity of a population of neurons. They are often used, therefore, as a monitor of the gross brain state during sleep, behavioral activation, and epilepsy.
