On the human sensorimotor-cortex beta rhythm: sources and modeling.

  title={On the human sensorimotor-cortex beta rhythm: sources and modeling.},
  author={Ole Jensen and Paras Goel and Nancy J Kopell and Marjatta Pohja and Riitta Hari and Bard Ermentrout},
  volume={26 2},
Cortical oscillations in the beta band (13-35 Hz) are known to be modulated by the GABAergic agonist benzodiazepine. To investigate the mechanisms generating the approximately 20-Hz oscillations in the human cortex, we administered benzodiazepines to healthy adults and monitored cortical oscillatory activity by means of magnetoencephalography. Benzodiazepine increased the power and decreased the frequency of beta oscillations over rolandic areas. Minimum current estimates indicated the effect… CONTINUE READING
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