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Eigenvalue spectrum and eigenvectors of the spike count correlation coefficient matrix.

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posted on 16.12.2013, 03:36 by Oran Zohar, Trevor M. Shackleton, Alan R. Palmer, Maoz Shamir

(A) The spectrum of the correlation matrix of a homogenous pseudo-population of 30 neurons, with input correlations of , and is shown,. The inset shows the largest eigenvalue (circle) and mean of all other eigenvalue (diamond) as function of population size. (B) The eigenvectors of the correlation matrices A are shown by the different colors. The thick blue lines show the eigenvector that corresponds to the largest eigenvalue.