Neural oscillations: beta band activity across motor networks

P Khanna, JM Carmena - Current opinion in neurobiology, 2015 - Elsevier
Current opinion in neurobiology, 2015Elsevier
Highlights•Beta (15–40 Hz) oscillations occur in motor cortex during motor and attention
tasks.•Current hypotheses on how beta oscillations are generated in vitro are reviewed.
Behavioral correlates of beta activation in awake subjects are reviewed.•A new paradigm is
proposed that combines operant conditioning and motor tasks.Local field potential (LFP)
activity in motor cortical and basal ganglia regions exhibits prominent beta (15–40 Hz)
oscillations during reaching and grasping, muscular contraction, and attention tasks. While …
Highlights
  • Beta (15–40 Hz) oscillations occur in motor cortex during motor and attention tasks.
  • Current hypotheses on how beta oscillations are generated in vitro are reviewed. Behavioral correlates of beta activation in awake subjects are reviewed.
  • A new paradigm is proposed that combines operant conditioning and motor tasks.
Local field potential (LFP) activity in motor cortical and basal ganglia regions exhibits prominent beta (15–40 Hz) oscillations during reaching and grasping, muscular contraction, and attention tasks. While in vitro and computational work has revealed specific mechanisms that may give rise to the frequency and duration of this oscillation, there is still controversy about what behavioral processes ultimately drive it. Here, simultaneous behavioral and large-scale neural recording experiments from non-human primate and human subjects are reviewed in the context of specific hypotheses about how beta band activity is generated. Finally, a new experimental paradigm utilizing operant conditioning combined with motor tasks is proposed as a way to further investigate this oscillation.
Elsevier