Figure 8.

Laminar LFP and MUA in the S1 cortex at P10 (top row) and at P21 (bottom row). a, b and d, e, Example voltage traces in a P10 and a P21 rat, respectively, recorded in response to a single sweep contralateral whisker deflection and showing the low (LFP; calibration, 1 mV)- and high (MUA without rectification; calibration, 50 μV)-frequency components of the poststimulus responses. The five deepest were recorded during a different sweep from that in the upper traces. c, f, Grand average MUAs (black traces; calibration 1mV²) and interpolated CSD contour plots at P10 (n = 4) and P21 (n = 4). The y-axis conventions are as in Figure 5.