Perimovement decrease of alpha/beta oscillations in the human nucleus accumbens | Zendy

MaxPhilipp Stenner | Zendy; Stefan Dürschmid | Zendy; Robb B. Rutledge | Zendy; Tino Zaehle | Zendy; Friedhelm C. Schmitt | Zendy; Jörn Kaufmann | Zendy; Jürgen Voges | Zendy; HansJochen Heinze | Zendy; Raymond J. Dolan | Zendy; Mircea Ariel Schoenfeld | Zendy

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Perimovement decrease of alpha/beta oscillations in the human nucleus accumbens

Author(s) -

MaxPhilipp Stenner,

Stefan Dürschmid,

Robb B. Rutledge,

Tino Zaehle,

Friedhelm C. Schmitt,

Jörn Kaufmann,

Jürgen Voges,

HansJochen Heinze,

Raymond J. Dolan,

Mircea Ariel Schoenfeld

Publication year - 2016

Publication title -

journal of neurophysiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.302

H-Index - 245

eISSN - 1522-1598

pISSN - 0022-3077

DOI - 10.1152/jn.00142.2016

Subject(s) - nucleus accumbens , neuroscience , subthalamic nucleus , beta (programming language) , psychology , alpha (finance) , local field potential , electrophysiology , stimulation , beta rhythm , deep brain stimulation , electroencephalography , task (project management) , action (physics) , nucleus , physics , medicine , computer science , central nervous system , developmental psychology , psychometrics , construct validity , disease , quantum mechanics , parkinson's disease , programming language , management , economics

The human nucleus accumbens is thought to play an important role in guiding future action selection via an evaluation of current action outcomes. Here we provide electrophysiological evidence for a more direct, i.e., online, role during action preparation. We recorded local field potentials from the nucleus accumbens in patients with epilepsy undergoing surgery for deep brain stimulation. We found a consistent decrease in the power of alpha/beta oscillations (10-30 Hz) before and around the time of movements. This perimovement alpha/beta desynchronization was observed in seven of eight patients and was present both before instructed movements in a serial reaction time task as well as before self-paced, deliberate choices in a decision making task. A similar beta decrease over sensorimotor cortex and in the subthalamic nucleus has been directly related to movement preparation and execution. Our results support the idea of a direct role of the human nucleus accumbens in action preparation and execution.

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