Visual alertness in neonates: individual differences and their correlates.
D001143:Arousal; D001288:Attention; D001307:Auditory Perception; D005106:Exploratory Behavior; D005247:Feeding Behavior; D005260:Female; D005403:Fixation, Ocular; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D009068:Movement; D012737:Sex Factors; D014796:Visual Perception