The hippocampus and its response to differential environments.
D000818:Animals; D001143:Arousal; D001522:Behavior, Animal; D001921:Brain / Q000502:physiology; D002540:Cerebral Cortex / Q000502:physiology; D003712:Dendrites / Q000502:physiology; D004777:Environment; D006624:Hippocampus / Q000033:anatomy & histology / Q000502:physiology*; D006801:Humans; D007858:Learning; D051381:Rats; D013315:Stress, Psychological / Q000503:physiopathology; D013569:Synapses / Q000502:physiology