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. Author manuscript; available in PMC: 2015 Apr 9.
Published in final edited form as: Neuron. 2008 Feb 28;57(4):599–613. doi: 10.1016/j.neuron.2007.12.024

Figure 6. Frequency Gradient with Length for Highest Velocity Micro-Motions.

Figure 6

A. Example vibrissa micro-motion trace (blue), with time points in the highest 10% of velocity overlaid (thick red). B. Mean Hilbert frequency for high velocity time points plotted against 1/Length2, showing the same linear relationship as in Figures 4 and 5. Symbol type indicates rough (red square) or smooth (blue circle) contact; lines are corresponding linear regressions (see text).