Large scale simulation for velocity prediction in the turtle visual cortex

Zoran Nenadic, Bijoy K. Ghosh, Philip S. Ulinski

Research output: Contribution to journalArticlepeer-review


The goal of this paper is to verify that position and velocity of a spot of light incident on the retina of a turtle are encoded by the associated spatiotemporal dynamics of the cortical waves they generate. This conjecture is verified by synthesizing a biophysically realistic large scale model of the visual cortex using a software package called GENESIS. The cortical waves are recorded and analyzed using the principal components analysis and the position and velocity information from the visual space is mapped onto an abstract B-space, to be described, using the coefficients of the basis vectors. The likely values of the position/velocity are estimated using standard statistical detection methods.

Original languageEnglish
Pages (from-to)405-410
Number of pages6
JournalProceedings of the IEEE Conference on Decision and Control
StatePublished - 2001


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