A. Asperger syndrome
C. Attention Deficit Hyperactivity Disorder
D. Rett Syndrome
Ans: B. Autism.
It is a neurodevelopmental disorder characterized by impaired social interaction, impaired verbal and non-verbal communication, and restricted and repetitive behavior.
Parents usually notice signs in the first two years of their child’s life.
Major Diagnostic Features of Dsm-iv Pervasive Developmental Disorders