Milestoneunknown
Reacts to loud or sudden sound
Unknown
What the research says
Framework evidence being indexed.
Full quotes, source languages, and document links coming soon as we finish the source-evidence indexing pass.
Activities for this (2)
social0mo–3mo
Sound Surprise
While your baby is calm and comfortably supported, make a brief, clear sound from a comfortable distance and watch for a visible change in what they are doing.
physical0mo–3mo
A Sound Nearby
During a calm moment, make a gentle rustling sound just outside your baby’s view and notice any change that follows the unseen sound.
Formal assessments (50)
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