Hybrid Analyses of Neuronal Spike Train Data for Pre- and Post-Cross Intervals in Relation to Interspike Interval Differences
Two new hybrid spike train analysis methods called (1) pre-Cross-Interval/ InterspikeInterval-Difference (pre-CI/ISID) and (2) Interspike-Interval-Difference/ post-Cross-Interval (ISID/post-CI) phase plane analyses are introduced. They examine the dependency relationship between (1) the pre-cross-interval (pre-CI) and the interspike interval difference (ISID), and (2) the ISID and the post-cross-interval (post-CI) defined at a given reference spike. This allows for inferences to be made about how 1SIDs in a spike train are related to the last cross interval and the next cross interval with respect to a compared spike train. Both methods were applied to simulated spike trains to display the capabilities of this new technique. The co-varying relationship between the pre-CI and post-CI with respect to the ISID can be revealed as clusters of bands and points in these phase plots.
KeywordsSpike Train Interspike Interval Phase Plot Burst Firing Local Trend
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