title: A concordance of visual and manipulative responsiveness to novel and familiar stimuli in six-month-old infants.
mesh_terms: D000367:Age Factors; D004192:Discrimination, Psychological; D005106:Exploratory Behavior; D005133:Eye Movements; D005260:Female; D005403:Fixation, Ocular; D005556:Form Perception; D006801:Humans; D007223:Infant; D008297:Male; D009043:Motor Activity