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Deep Brain Recordings

Paper ID Volume ID Publish Year Pages File Format Full-Text
5260 357 2011 15 PDF Available
Title
Deep Brain Recordings
Abstract

Depth recordings from human subcortical structures have improved our knowledge of human brain circuitries and provided better understanding of the effects and mechanism of action of deep brain stimulation. Two types of signals can be recorded: single unit spikes and local field potentials (LFP). The basal ganglia (BG) are particularly well suited for deep brain recordings and here we review how the oscillatory activities recorded in these structures helped improve our understanding of the sensorimotor brain functions in particular, along with cognitive and emotional-motivational. The oscillations may be classified by frequency into bands at < 8, 8–30 and > 60 Hz. The best characterized band is the 8–30 Hz and existing evidence suggests that it is antikinetic and inversely related to motor processing. On the other hand, accumulating evidence suggests that the > 60 Hz band may be related to normal function.

Keywords
Deep Brain Stimulation; basal ganglia; Local Field Potential; electrophy-siology; neurophysiology
First Page Preview
Deep Brain Recordings
Publisher
Database: Elsevier - ScienceDirect
Journal: Biocybernetics and Biomedical Engineering - Volume 31, Issue 3, 2011, Pages 19–33
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering