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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, 1.25, 12.5 or 125 µg AM251 into the lateral ventricles 30 min prior to a saccharin–LiCl or saccharin–saline pairing. LiCl, lithium chloride; TR, Taste Reactivity.
