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. Author manuscript; available in PMC: 2011 Nov 1.
Published in final edited form as: Pain. 2010 Aug 23;151(2):414–421. doi: 10.1016/j.pain.2010.07.034

Figure 5. The average number of spikes evoked during von Frey filament stimulation of the forepaw increases with respect to the filament strength and depends on the order of application.

Figure 5

A significant interaction effect was found between the von Frey magnitude and the ordinal rank of the stimulus application (p<0.0001); at greater filament magnitudes, firing was greater in response to the first application of the filament relative to the subsequent applications at that magnitude.