The relation between the amount of time infants spend at various states and the development of visual behavior.
D000367:Age Factors; D001288:Attention; D002652:Child Behavior; D002657:Child Development; D003448:Crying; D005260:Female; D005403:Fixation, Ocular; D006801:Humans; D007223:Infant; D008297:Male; D012727:Sex Characteristics; D012737:Sex Factors; D013997:Time Factors; D014785:Vision, Ocular; D014796:Visual Perception; D014851:Wakefulness