Development
Object Permanence in Infants: When and How It Develops
There is a reason that peek-a-boo reliably delights babies: for much of the first year, a face that disappears behind hands and reappears is genuinely...
4 min read
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Development
Object Permanence: What It Is and Why It Matters for Baby Development
When a very young baby drops a toy, it is not that they have forgotten the toy or lost interest — it is that, for the baby under about four months, th...
4 min read
Development
Child Development from 6 to 12 Months: What Is Considered Normal
The second half of the first year transforms an infant who could do relatively little independently into a person who moves across a room, reaches pur...
5 min read