Transient striatal γ local field potentials signal movement initiation in rats

Beth Masimore, Neil C. Schmitzer-Torbert, James Kakalios, A. David Redish

Research output: Contribution to journalArticlepeer-review

58 Scopus citations


Transient coherent neural oscillations, as indicated by local field potentials, are thought to underlie key perceptual and cognitive events. We report a transient, state-dependent 50 Hz oscillation recorded from electrodes placed in the striatum of awake, behaving rats. These coherent oscillations, which we term γ50, occurred in brief (150 ms) events co-incident with the initiation of movement. On navigation tasks, the animal's speed increased dramatically at the precise moment of the γ50 event. This synchronous oscillation may provide a key to understanding striatal function, as well as basal ganglia pathology, which often impairs the control of voluntary movements.

Original languageEnglish (US)
Pages (from-to)2021-2024
Number of pages4
Issue number18
StatePublished - Dec 2005


  • Local-field potential
  • Motor control
  • Striatum


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