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Neurosurg Clin N Am. 2014 Jan;25(1):187-204. doi: 10.1016/j.nec.2013.08.006. Epub 2013 Oct 23.

Creating the feedback loop: closed-loop neurostimulation.

Author information

  • 1Colorado Neurological Institute, Department of Electrical and Computer Engineering, University of Denver, 499 E Hampden Ave Ste, 220 Englewood, CO 80113, USA. Electronic address: adam.hebb@aoh.md.

Abstract

Current DBS therapy delivers a train of electrical pulses at set stimulation parameters. This open-loop design is effective for movement disorders, but therapy may be further optimized by a closed loop design. The technology to record biosignals has outpaced our understanding of their relationship to the clinical state of the whole person. Neuronal oscillations may represent or facilitate the cooperative functioning of brain ensembles, and may provide critical information to customize neuromodulation therapy. This review addresses advances to date, not of the technology per se, but of the strategies to apply neuronal signals to trigger or modulate stimulation systems.

KEYWORDS:

Closed-loop; Control systems; Deep brain stimulation; Local field potentials; Machine learning; Oscillations; Subthalamic nucleus

PMID:
24262909
PMCID:
PMC4058859
DOI:
10.1016/j.nec.2013.08.006
[PubMed - indexed for MEDLINE]
Free PMC Article
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