Gibbs distribution analysis of temporal correlations structure in retina ganglion cells
arXiv:1112.2464 · doi:10.1016/j.jphysparis.2011.11.001
Abstract
We present a method to estimate Gibbs distributions with \textit{spatio-temporal} constraints on spike trains statistics. We apply this method to spike trains recorded from ganglion cells of the salamander retina, in response to natural movies. Our analysis, restricted to a few neurons, performs more accurately than pairwise synchronization models (Ising) or the 1-time step Markov models (\cite{marre-boustani-etal:09}) to describe the statistics of spatio-temporal spike patterns and emphasizes the role of higher order spatio-temporal interactions.
To appear in J. Physiol. Paris
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