title: A contribution to the evolutionary theory of dreaming: an hypothesis on the role of the pineal in species and specimen protection.
mesh_terms: D000220:Adaptation, Biological; D000818:Animals; D001143:Arousal; D005075:Biological Evolution; D001923:Brain Chemistry; D004325:Dreams; D004328:Drive; D005010:Ethology; D006801:Humans; D008032:Limbic System / Q000502:physiology; D008322:Mammals; D009434:Neural Pathways / Q000502:physiology; D010786:Photoreceptor Cells / Q000502:physiology; D010870:Pineal Gland / Q000502:physiology*; D012018:Reflex; D012895:Sleep, REM; D014795:Visual Pathways / Q000502:physiology