Neonatal startles, smiles, erections, and reflex sucks as related to state, sex, and individuality.
D005149:Facial Expression; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010551:Personality; D013216:Reflex, Startle; D012737:Sex Factors; D012725:Sexual Behavior; D012890:Sleep; D013391:Sucking Behavior