Virtual Seminar: Electrophysiology of Basal Ganglia and Thalamus in Children Undergoing DBS for Dystonia
Terence Sanger, M.D., Ph.D.
Department Electrical Engineering and Computer Science
Vice President and Chief Scientific Officer
Children's Health of Orange County
University of California - Irvine
Virtual Pioneers in Biomedical Research Seminar: Electrophysiology of Basal Ganglia and Thalamus in Children Undergoing DBS for Dystonia
Date: Dec. 9, 2022
Time: 11 a.m. - 12 p.m.
About this Seminar
To improve the targeting of DBS in children with varying etiologies of dystonia including secondary acquired dystonia, Dr. Sanger and his team implant up to 12 temporary stereo EEG depth electrodes through which they can perform test stimulation and electrophysiological monitoring while children are awake and unrestrained in a neuromodulation monitoring unit. This new surgical procedure provides the opportunity to investigate patterns of electrical activity in potential DBS targets, with high-resolution recording from up to 120 contracts in the basal ganglia and thalamus. Dr. Sanger will report data from 38 children and young adults, including single spike recordings, power spectral densities, cross-coherence, and stimulus-averaged evoked potentials. His lab's results do not support generalized inhibition of thalamic motor areas by basal ganglia in our patients. Furthermore, in contrast with historical data from nonhuman primates, almost all of his patients with dystonia have very low activations of internal pallidum at rest. The lab's results provide evidence for a complex interaction between internal pallidum and the motor subnuclei of the thalamus in children with dystonia.
This is a free event hosted by the Fralin Biomedical Research Institute and co-sponsored by the institute's Center for Human Neuroscience Research. The Pioneers in Biomedical Research Seminar Series, which runs annually from September to May, has featured leading biomedical researchers from throughout the country since the program began in 2012. The lectures are also open to all members of the Virginia Tech community including graduate students, undergraduates, faculty, and staff, as well as the public.
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