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. 2019 Nov 19;13:73. doi: 10.3389/fncir.2019.00073

FIGURE 4.

FIGURE 4

Optogenetic stimulation of VTA–LH GABAergic projection regulates anesthetic induction and recovery. (A) Diagrams showing the protocol of optical activation and inhibition of VTA GABAergic neurons in terminals in the LH on the induction of or emergence from isoflurane anesthesia. (B) Effects of activating or inhibiting VTA GABA-LH projections on the time of LORR. (C) Effects of activating or inhibiting VTA GABA-LH projections on the time of RORR. VTA, ventral tegmental area; LH, lateral hypothalamus; LORR, loss of righting reflex; RORR, recovery of righting reflex. ∗∗P < 0.01.