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Figure 12


Fig. 12. Cycle histograms relating the precision of temporal patterning to vibrotactile stimuli at peak frequency of activation. (A) Representative cycle histograms from each of the three receptor classes (N=100). (B) Three units with the highest degree of phase locking (N=100). (C) There was adequate data present to calculate cycle histograms across each stimulus frequency for unit number 14-4. As frequency increased the receptor became less phase locked, however, all impulses fell within a 1 ms time frame. V, variance; R, length of mean vector.





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