Rate My Professor Robert Cressman

Robert Cressman is an Associate Professor in the Department of Physics and Astronomy at George Mason University, with additional faculty appointments in the Neuroscience Program and as University Affiliate Faculty in Bioengineering. He is affiliated with the Krasnow Institute for Advanced Study, where he conducts numerical and experimental research on the physics of neuronal behavior and simple non-equilibrium systems. Cressman's investigations center on dynamical structures in driven systems, particularly their roles in brain functions. He examines transient but long-lived correlated dynamics that underlie biological processes such as the lifecycle of organisms, conscious thought, and social behavior, drawing parallels to natural phenomena including tornados, hurricanes, gyres, and von Karman vortex streets in fluid systems. Specific areas include ionic dynamics in seizures, spatiotemporal structures in neuronal function, electrochemical activity in rat brain slices, computational modeling of seizure propagation, and electroconvection in liquid crystals as model systems for non-equilibrium physics.

Cressman holds a PhD in Physics from the University of Pittsburgh and a BS in Physics from Union College. His career trajectory includes prior research on seizure dynamics at George Mason University and the Pennsylvania State University, encompassing both experimental and computational approaches. Key publications feature "The influence of sodium and potassium dynamics on excitability, seizures, and the stability of persistent states: I. Single neuron dynamics" (Journal of Computational Neuroscience, 2009), "Interneuron and pyramidal cell interplay during in vitro seizure-like events" (Journal of Neurophysiology, 2006), "Seizures as imbalanced up states: excitatory and inhibitory conductances during seizure-like events" (Journal of Neurophysiology, 2013), "Ion concentration dynamics as a mechanism for neuronal bursting" (Journal of Biological Physics, 2011), and "Time-scale separation from diffusion-mapped delay coordinates" (SIAM Journal on Applied Dynamical Systems, 2013). His scholarship has amassed over 1,900 citations, exerting considerable influence on biophysics, computational neuroscience, nonlinear dynamics, and related fields. Cressman also contributes to the Sensing Group in the Quantum Science & Engineering Center and supervises student research on energy flow in neuronal systems.