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. 2016 May 1;39(5):1069–1082. doi: 10.5665/sleep.5758

Figure 4.

Figure 4

Local field potentials (LFP) and multiunit activity (MUA) auditory responses during spindle and nonspindle trials. Responses of A1 neuronal populations evoked by 100 msec tone pips. Red, spindle trials; Blue, no spindles. Top row, average A1 LFP; Bottom row, average MUA. Columns (left to right) mark sound intensities of 30, 55, and 80 dB SPL. Vertical green lines, sound onset; Horizontal green line, sound duration. Note that both LFP and MUA responses are virtually indistinguishable during spindle and nonspindle trials.