Autism or Autism Spectrum Disorder (ASD) is a disorder with complex communication, learning and behavioural problems. The symptoms of autism may be noticed from birth in some children or before 3 years of age. Autism spectrum disorders include Asperger’s syndrome, autistic disorder, childhood disintegrative disorder, and pervasive developmental disorder (PDD or atypical autism).
Attention Deficit Hyperactivity Disorder (ADHD)
Attention Deficit Hyperactivity Disorder (ADHD) is another most common neurobehavioural disorder noticed in childhood which may continue into adulthood. The person has difficulty in paying attention and controlling impulsive behaviours.