Figure 5.

Mean (±SEM) number of gaping reactions (upper section) and mean (±SEM) seconds spent displaying hedonic reactions (lower section) during the conditioning trial and the drug-free TR test trial by rats injected (icv) with vehicle, 2.5 or 12.5 µg AM251 into the fourth ventricle 30 min prior to a saccharin–LiCl or saccharin–saline pairing. LiCl, lithium chloride; TR, Taste Reactivity.