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. 1996 Nov 15;16(22):7308–7317. doi: 10.1523/JNEUROSCI.16-22-07308.1996

Fig. 3.

Fig. 3.

Reduction of substantia nigra pars reticulata activity by microinjection of muscimol reduced R2 OOemg amplitude in alert rats. A, Each trace is the average of 15 rectified, direct OOemg responses to stimulation of the supraorbital branch of the trigeminal nerve (SO) before (dotted line) and after (solid line) a 0.5 μl microinjection of 1.0% muscimol into the SNr.B, R2 OOemg amplitude relative to premicroinjection OOemg amplitude before (Pre) and after (Post) microinjections of muscimol and after a control microinjection of saline (Saline) from two alert rats.Top graph shows data from direct OOemg activity ipsilateral to the SNr microinjection, and bottom graphdisplays direct OOemg activity contralateral to the SNr microinjection. Error bars are 1 SEM.