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Dr. Ted W. Berger


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Biography


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Ted William Berger – David Packard Chair in Engineering and Professor of Biomedical Engineering

Education

  • 1976, PhD, Psychology, Harvard University
  • 1972, Bachelors, Psychology, Union College

Biography

Neurophysiology of memory and learning, nonlinear systems analysis of hippocampal network properties.

Research Summary

The research of Dr. T.W. Berger involves the complementary use of experimental and theoretical approaches to developing biologically constrained mathematical models of mammalian neural berger-2systems. The focus of the majority of current research is the hippocampus, a neural system essential for learning and memory functions. The goal of this research is to address three general issues: (1) the relation between cellular/molecular processes, systems-level functions, and learned behavior; (2) the extent of which the functional dynamics of neural systems are altered by activity-dependent synaptic plasticity; (3) the extent to which the essential functions of a neural system can be incorporated within a hardware representation (e.g., VLSI circuitry).

Experimental studies involve the use of extracellular, intracellular, and whole-cell electrophysiological recording techniques, applied in vivo using anesthetized and chronically implanted animals, and in vitro using hippocampal slice preparations. A number of neurobiological issues are being investigated, including: (1) quantifying the signal processing capabilities of hippocampal neurons and the extent to which these capabilities reflect regulation due to feedforward and feedback circuitry vs. intrinsic neuronal mechanisms, such as voltage-dependent conductances or second messenger biochemical systems; (2) the spatio-temporal distribution of activity in neural networks and its dependence on input pattern and network connectivity; (3) the cellular mechanisms underlying changes in the strength of connections among neurons, i.e., synaptic plasticity, and the influence of synaptic plasticity on signal processing characteristics of neurons and the spatio-temporal distributions of activity in networks.

berger-4These and other experimental studies are used in conjunction with several different theoretical approaches to develop models of: (1) the nonlinear, input/output properties of single hippocampal neurons and circuits composed of several populations of hippocampal neurons (in collaboration with Dr. V. Marmarelis, Biomedical Engineering, USC), (2) the hierarchical relationship between synaptic and neuronal events (in collaboration with Dr. G. Chauvet, Institute for Theoretical Biology, University of Angers, France), (3) the kinetic properties of glutamatergic receptor subtypes, and (4) adaptive properties expressed by the “hippocampal-like” neural networks implemented with analog VLSI technology (in collaboration with Dr. B. Sheu, Electrical Engineering, USC).

Awards

1978 Fellow of Professional Society
1978 Research Award
1980 Best Paper
1981 Research Award
1986 Fellow of Professional Society
1988 Research Award
1993 Research Award
1997 Research Award
1998 Fellow of Professional Society
2003 Other Awards
2003 Other Awards
2004 Best Paper
2004 Fellow of Professional Society
2004 Other Awards
2005 Best Paper
2005 Other Awards
2006 WTEC Chair of the WTEC Panel
2006 USC, Office of the Provost Research Award
2008 AIMBE Chair of the Fellows Selections Subcomittee for Neuroengineering/Neuroscience
2010 Union College, Schenectady, NY Chosen “Historical Notable”
2010 IEEE Society Fellow of Professional Society
2012 Defense Advanced Research Projects Agency (DARPA) USC REMIND Program – Renewed Funding
2013 IEEE EMBS Engineering, Medicine, and Biology Society “Academic Career Achievement Award
2013 MIT Technology Review MIT Technology Reviews 10 BREAKTHROUGH TECHNOLOGIES List

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