Local Field Potential, Relationship to Membrane Synaptic Potentials

  title={Local Field Potential, Relationship to Membrane Synaptic Potentials},
  author={A. Taub and I. Lampl and Michael Okun},
  booktitle={Encyclopedia of Computational Neuroscience},
Introduction The membrane potential (Vm) of neurons is shaped by transmembrane flow of ions, which can have both synaptic and intrinsic origins. A net flow of current across the membrane, in addition to the change in Vm, produces a small change in the potential of the extracellular medium outside the cell that can be picked up by an extracellular microelectrode. The low-frequency (<300 Hz) component of this signal, known as the extracellular local field potential (LFP), is produced by… Expand
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