Practice Quiz

Child Psych

Category - Development & Neuro

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Rett’s disorder, a pattern of developmental regression that results in permanent behavioral and communicative problems, becomes apparent in childhood. How long after birth is development typically normal before signs of the disorder manifest?
  1. Four months
  2. Four years
  3. Six months
  4. Three years
Explanation
Answer: C - Development is typically normal until 6-18 months, when signs of Rett’s disorder become apparent. Signs include regression of language milestones, loss of acquired motor skills, and deceleration in the rate of head growth.
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