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Phys Rev E Stat Nonlin Soft Matter Phys. 2004 May;69(5 Pt 2):056111. Epub 2004 May 24.

Entropy and information in neural spike trains: progress on the sampling problem.

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Kavli Institute for Theoretical Physics, University of California, Santa Barbara, California 93106, USA.


The major problem in information theoretic analysis of neural responses and other biological data is the reliable estimation of entropy-like quantities from small samples. We apply a recently introduced Bayesian entropy estimator to synthetic data inspired by experiments, and to real experimental spike trains. The estimator performs admirably even very deep in the undersampled regime, where other techniques fail. This opens new possibilities for the information theoretic analysis of experiments, and may be of general interest as an example of learning from limited data.


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