title: Electromyographic, electroencephalographic, and behavioral changes during the onset of erect posture in newly hatched chicks.
mesh_terms: D000818:Animals; D000831:Animals, Newborn / Q000502:physiology; D001522:Behavior, Animal; D002645:Chickens / Q000502:physiology*; D004567:Electrodes, Implanted; D004569:Electroencephalography / Q000662:veterinary; D004576:Electromyography / Q000662:veterinary; D009132:Muscles / Q000502:physiology; D011187:Posture; D012890:Sleep; D013997:Time Factors