Brain weight increases resulting from environmental enrichment: a directional dominance in mice.
A genetic analysis of brain weights of 544 mice reared in either enriched or standard laboratory environments indicated significant directional dominance in the percentage of increase in brain weight as a result of enrichment.
D000818:Animals; D001835:Body Weight; D001921:Brain / Q000033:anatomy & histology*; D004777:Environment; D005824:Genetics, Behavioral; D006824:Hybridization, Genetic; D007178:Inbreeding; D051379:Mice / Q000502:physiology*; D009929:Organ Size; D009949:Orientation; D012677:Sensation