Figure 8.

Kinematic tuning is not mediated by spindle bursts. A, Representative data from a P8 rat. From top to bottom: a trace of the local field potential (LFP) in M1, including the onset of a spindle burst denoted with a black arrow; a filtered (5–40 Hz) LFP trace (red); unit activity in M1, with each row denoting a different unit and each vertical tick denoting an action potential; a trace of forelimb displacement (black), with twitches and wake movements denoted by blue and red arrows, respectively. B, Time–frequency spectrogram of LFP activity in M1, averaged across all P8 rats. The analysis was triggered on the onset of detected spindle bursts. C, The rate of spindle bursts during active sleep (blue bar) and wake (red bar), as well as the overall rate (white bar) is shown for P8 rats. Gray lines show the values for individual pups. Asterisk denotes significance difference between sleep and wake (p < 0.05). D, Same as in Figure 4A, but triggered only on movements that did not occur within ±0.5 s of a spindle burst. E, Same as in Figure 5D, but triggered only on twitches that did not occur within ±0.5 s of a spindle burst. F, Same as in Figure 7B, but triggered only on movements that did not occur within ±0.5 s of a spindle burst.