8 h 6 m, 16 mar 2001 año - 3 months old Smiled and followed movement with my eyes
Descripción:
Information Processing:By four months, infants can selectively attend to an object.
Directs attention to where the object is, and what the object is.
From three to nine months, infants can deploy their attention more flexibly and quickly.
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fecha:
8 h 6 m, 16 mar 2001 año
Ahora mismo
~ 23 years ago
