Densities of IEG positive cells in the analyzed structures in the food aversion task in comparison to active and quiet controls.

(Means ± SE, per mm2).Abbreviations: HVC – nucleus HVC of the nidopallium, formerly, the high vocal center; RA – robust nucleus of the arcopallium; Area X – Area X of the medial striatum; LMAN – lateral magnocellular nucleus of the anterior nidopallium; NCM – caudomedial nidopallium; Ndc – dorsocaudal nidopallium; IMM – intermediate medial mesopallium; MSt – medial striatum.