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. 2013 Oct 30;111(2):287–299. doi: 10.1152/jn.00504.2013

Fig. 1.

Fig. 1.

Sleep-active neurons in the median preoptic nucleus (MnPO) and lateral preoptic area (LPO). A: mean baseline sleep-wake discharge rates (DR) for groups of sleep-active neurons in the MnPO, ventrolateral preoptic area (VLPO) and dorsal lateral preoptic area (DLPO) that were studied under conditions of sleep deprivation (SD) and recovery sleep (RS). *Significantly different from wake values. B: coronal sections at the level of the rostral preoptic hypothalamus containing marking lesion (arrow) indicating the end of a microwire track targeting the MnPO. C: reconstruction of locations of sleep-active neurons in the MnPO. D: coronal section at the level of the preoptic hypothalamus, showing the course of a dorsal to ventral microwire bundle pass through the LPO. E: reconstruction of the locations of sleep-active neurons recorded in the VLPO (black circles) and DLPO (open circles). 3V, third ventricle; ac, anterior commissure; BSTMV, bed nucleus of the stria terminalis, medial ventral; HDB, horizontal limb of the diagonal band of Broca; MPA, medial preoptic area; ox, optic chiasm; PS, parastrial nucleus; REM, rapid eye movement.