Subthalamic nucleus beta and gamma activity is modulated depending on the level of imagined grip force

@inproceedings{Fischer2017SubthalamicNB,
  title={Subthalamic nucleus beta and gamma activity is modulated depending on the level of imagined grip force},
  author={Petra Fischer and Alek Pogosyan and Binith J Cheeran and Alexander L. Green and Tipu Z. Aziz and Jonathan Hyam and Simon Little and Thomas Foltynie and Patricia Dowsey Limousin and Ludvic U. Zrinzo and Marwan I. Hariz and Michael P. Samuel and Keyoumars Ashkan and Peter Brown and Huiling Tan},
  booktitle={Experimental Neurology},
  year={2017}
}
Motor imagery involves cortical networks similar to those activated by real movements, but the extent to which the basal ganglia are recruited is not yet clear. Gamma and beta oscillations in the subthalamic nucleus (STN) vary with the effort of sustained muscle activity. We recorded local field potentials in Parkinson's disease patients and investigated if similar changes can be observed during imagined gripping at three different 'forces'. We found that beta activity decreased significantly… CONTINUE READING
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