An investigation of activity and mobility waveform descriptors for use in real-time spike separation systems
R.J. Franceschini, Taikang Ning, Joseph D. Bronzino · 2002
A spike separation system utilizing the waveform descriptors, activity (power) and mobility (slope spread), originally described by B. Hjorth (1970) is presented. Comparisons are made with the reduced feature matching technique of peak-to-peak amplitude and duration in order to illustrate the versatility of the activity and mobility measures. The effects of varying sample sizes used to capture individual spikes from a multiunit record are discussed. The results demonstrate that activity and mobility are useful measures and appropriate for online, real-time separation of spikelike bioelectric events.>