An efficient algorithm for continuous-time cross correlogram of spike trains. Park, I., Paiva, A. R. C., DeMarse, T. B., & Príncipe, J. C. Journal of Neuroscience Methods, 168(2):514--523, March, 2008. doi abstract bibtex We propose an efficient algorithm to compute the smoothed correlogram for the detection of temporal relationship between two spike trains. Unlike the conventional histogram-based correlogram estimations, the proposed algorithm operates on continuous time and does not bin either the spike train nor the correlogram. Hence it can be more precise in detecting the effective delay between two recording sites. Moreover, it can take advantage of the higher temporal resolution of the spike times provided by the current recording methods. The Laplacian kernel for smoothing enables efficient computation of the algorithm. We also provide the basic statistics of the estimator and a guideline for choosing the kernel size. This new technique is demonstrated by estimating the effective delays in a neuronal network from synthetic data and recordings of dissociated cortical tissue.
@ARTICLE{Park2008a,
author = {Il Park and Ant\'onio R. C. Paiva and Thomas B. DeMarse and Jos\'e
C. Pr\'incipe},
title = {An efficient algorithm for continuous-time cross correlogram of spike
trains},
journal = {Journal of Neuroscience Methods},
year = {2008},
volume = {168},
pages = {514--523},
number = {2},
month = mar,
abstract = {We propose an efficient algorithm to compute the smoothed correlogram
for the detection of temporal relationship between two spike trains.
Unlike the conventional histogram-based correlogram estimations,
the proposed algorithm operates on continuous time and does not bin
either the spike train nor the correlogram. Hence it can be more
precise in detecting the effective delay between two recording sites.
Moreover, it can take advantage of the higher temporal resolution
of the spike times provided by the current recording methods. The
Laplacian kernel for smoothing enables efficient computation of the
algorithm. We also provide the basic statistics of the estimator
and a guideline for choosing the kernel size. This new technique
is demonstrated by estimating the effective delays in a neuronal
network from synthetic data and recordings of dissociated cortical
tissue.},
doi = {10.1016/j.jneumeth.2007.10.005},
owner = {memming},
timestamp = {2007.10.21}
}
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