Figure 2.

LFP spikes persist during sleep

(A) An example of LFP spikes during the quiet waking state (left), transition period (center), and sleep (right) as recorded in the gyroscope signal, in three different time windows. These periods consisted of three distinct behaviors classified using offline video analysis: quiet waking (red), eyes half-closed (light blue), and eyes closed (blue).

(B) Peri-LFP spikes (top) and the mean shape for each third (bottom), recorded from the striatum, during the quiet waking state (red shades), transition period (black shades), and sleep (blue shades) in two single sessions (I and II). An example of reduced (I) and increased (II) LFP spikes magnitude during sleep compared with the quiet waking state.

(C) LFP spike frequencies across all sessions. Gray lines: single session. Bold black line: mean across sessions.

(D) Coefficient of variation of LFP spike amplitudes in the quiet waking and sleep states. Gray line: mean.

(E) LFP spike magnitudes across all sessions. The magnitude was calculated as the peak-to-peak delta. Gray lines: single session. Bold black line: mean across all sessions.

(F) The mean shape of the LFP spikes (bold) ± 1 SEM (shadow), across all sessions and animals during the quiet waking (red) and sleep (blue) states.