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Prof
University of California-Irvine
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Schedule
Wednesday, May 18, 2022
5:00 PM Europe/London
Domain
NeuroscienceHost
Clinical and Experimental Epilepsy
Duration
70 minutes
Inhibitory interneurons govern the sparse activation of principal cells that permits appropriate behaviors, but they among the most vulnerable to brain damage. Our recent work has demonstrated important roles for inhibitory neurons in disorders of brain development, injury and epilepsy. These studies have motivated our ongoing efforts to understand how these cells operate at the synaptic, circuit and behavioral levels and in designing new technologies targeting specific populations of interneurons for therapy. I will discuss our recent efforts examining the role of interneurons in traumatic brain injury and in designing cell transplantation strategies - based on the generation of new inhibitory interneurons - that enable precise manipulation of inhibitory circuits in the injured brain. I will also discuss our ongoing efforts using monosynaptic virus tracing and whole-brain clearing methods to generate brain-wide maps of inhibitory circuits in the rodent brain. By comprehensively mapping the wiring of individual cell types on a global scale, we have uncovered a fundamental strategy to sustain and optimize inhibition following traumatic brain injury that involves spatial reorganization of local and long-range inputs to inhibitory neurons. These recent findings suggest that brain damage, even when focally restricted, likely has a far broader affect on brain-wide neural function than previously appreciated.
Robert Hunt
Prof
University of California-Irvine
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