A child with autism appears to live in his or her own world, showing little interest in others and a lack of social awareness.
Learning disorders are sometimes called learning disabilities. Most children with learning disorders have normal intelligence, but they have difficulty with reading, math, or another academic area.
Young children with communication disorders may not speak at all, or may have a limited vocabulary for their age. Some children with communication disorders have difficulty understanding simple directions or are unable to name objects.
ADHD is a behavior disorder marked by inattention, impulsivity, and, in some cases, hyperactivity.
The odd or inappropriate behaviors, problems with communication, and repetitive routines and rituals that accompany autism spectrum disorder can make life challenging for the entire family.
If you are a parent or grandparent of a child with an ASD, it can be heartbreaking if you feel like you just can't connect with him or her. But learning more about these disorders and what has helped others should help you and your relationship.