Effect of crowded rearing on negative incentive contrast effect.
D000311:Adrenal Glands / Q000033:anatomy & histology; D000818:Animals; D001835:Body Weight; D003216:Conditioning, Operant; D003441:Crowding; D005260:Female; D006799:Housing, Animal; D006801:Humans; D009929:Organ Size; D051381:Rats; D011930:Reaction Time; D012201:Reward; D013315:Stress, Psychological