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Keywords: Spike detection; Spike sorting; Spike train analysis; Extra-cellular recording; Tetrode; Electrophysiology; Multi-unit recording; Single-unit recording; Cluster analysis; Superposition resolution; MATLAB; Accuracy quantification; Object Oriented Programming;
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PSTHist Tool  (Under Development)                  



Summary

Many electrophysiology experiments have a repeated stimulus paradigm in which a stimulus is turned on, then turned off, then there is a rest period, then the stimulus is turned on and off again. Researchers often want to align the spike records by the StimOn time to see if there are particular patterns of spiking aligned to the stimulus.

The PSTHistogram tool finds all the spikes that occurred after each StimOn time and counts the number of spikes in each bin. The resulting histogram of counts in each bin indicates temporal variations in the rate of neuronal discharge as a response to a periodically repeating stimulus.

Screen Shot




Details

The PST histogram is formed by quantizing the time axis in bins relative to the stimulus. The PST histogram calculates the response in each bin averaged across all stimulus presentations.

 
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Last Updated: 25-Mar-2008