According to the National Library of Medicine:

Cerebral palsy is a group of disorders that can involve brain and nervous system functions, such as movement, learning, hearing, seeing, and thinking. There are several different types of cerebral palsy, including spastic, dyskinetic, ataxic, hypotonic, and mixed.

Source: http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001734/