title: Evidence that the noradrenergic innervation of the cerebral cortex is necessary for learning.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D002540:Cerebral Cortex / Q000032:analysis / Q000502:physiology*; D005470:Fluorometry; D007858:Learning; D009411:Nerve Endings; D009638:Norepinephrine / Q000032:analysis / Q000502:physiology*; D051381:Rats; D013217:Starvation
chemical_list: D009638:Norepinephrine