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. 2008 Apr 30;100(1):50–63. doi: 10.1152/jn.90327.2008

FIG. 5.

FIG. 5.

Simultaneous responses of SI barrel and MI neurons during 300 trials of mechanical whisker deflections at 2, 5, and 8 Hz. A: tangential section through layer IV of SI barrel cortex shows a recording site (asterisk) on the edge of barrel C1. Scale: 250 μm. B: coronal section from the same animal shows the MI recording site (arrowhead). Scale: 500 μm. C: PSTHs of the SI and MI neuronal responses; electrode recording depths indicated in parentheses. Bin widths: 10 ms; waveform scales: 1 mV, 1 ms. Horizontal bars indicate duration of stimulus at 2, 5, and 8 Hz. Arrows indicate stimulus presentations at an effective frequency of 0.5–1 Hz. D: mean responses of the same neurons to each stimulation frequency. Horizontal dashed lines indicate 99% confidence intervals; bin widths: 1 ms. Vertical dashed lines indicate the onset latency of the barrel neuron; arrowheads indicate MI onset latency.