Children with cerebral palsy have an impairment in the area of the brain that controls movement and muscle tone. Many of these youngsters have normal intelligence, even though they have difficulty with motor control and movement. The condition causes different types of motor disability, which can vary from quite mild and barely noticeable to very profound. Depending on the severity of the problem, a child with cerebral palsy may simply be a little clumsy or awkward, or he may be unable to walk. Cerebral palsy is caused by malformation or damage to the brain, usually during pregnancy, but occasionally during delivery, or immediately after birth.