Graduate Studies Faculty

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Patrick D. Roberts, Ph.D.

Admin Unit: SOM-Biomedical Engineering
Phone: 503-418-9323
Office: Neurological Sciences Institute, West Campus
Mail Code: NSI
Neuroscience Graduate Program
Research Interests:
Mathematical modeling Computational Neuroscience Sensory processing Auditory Electrosensory » Click here for more about Dr. Roberts's research » PubMed Listing
Preceptor Rotations
Dr. Roberts has not indicated availability for preceptor rotations at this time.
Faculty Mentorship
Dr. Roberts has not indicated availability as a mentor at this time.

Research Interests

To develop mathematical methods, both analytical and numerical, for applications in understanding the dynamics of the nervous system, and for advancing our understanding of the relationship between levels of biological complexity.



  • Computational Neuroscientist,  In Silico Biosciences, Inc., Philadelphia, PA
  • Adjunct Associate Professor, Department of Science & Engineering, Biomedical Engineering Division, OHSU, Portland, OR
  • Adjunct Associate Professor, Systems Science Program, Portland State University, Portland, OR


Ph.D., Theoretical Particle Physics (1993) University of Gothenburg, Sweden
Dissertation: “Modular invariance in string theory and conformal ?eld theory”

B.A., Physics (1983), Reed College, Portland, OR, USA
Senior thesis: “The principle of exterior expressability”


Recent Publications

  1. C. V Portfors, P. D. Roberts (2007) Temporal and Frequency Characteristics of Cartwheel Cells in the Dorsal Cochlear Nucleus of the Awake Mouse J Neurophysiol 98:744-56
  2. L. Holmstrom, P.D. Roberts, C.V. Portfors (2007) Responses to Social Vocalizations in the Inferior Colliculus of the Mustached Bat are Influenced by Secondary Tuning Curves. J Neurophysiol 98:3461-3472.
  3. P.D. Roberts, R.A. Santiago, G. Lafferriere (2008) An implementation of reinforcement learning based on spike timing dependent plasticity. Biol Cybern 99:517–523. 
  4. P.D. Roberts, C.V. Portfors (2008) Design principles of sensory processing in cerebellum-like structures. Early stage processing of electrosensory and auditory objects. Biol Cybern. 98: 491-507. 
  5. V. Balakrishnan, S.P. Kuo, P.D. Roberts and L.O. Trussel (2009) Slow glycinergic transmission mediated by transmitter pooling. Nature Neuroscience, 12: 286-294. 
  6. C.V. Portfors, P.D. Roberts (2009) Over-representation of species-specific vocalizations in theawake mouse inferior colliculus. Neuroscience (in press).