A person may have a disability and not be handicapped. Persons with disabilities represent more than 15 percent of the Canadian population. Mental illness is synonymous with Mental retardation . Persons with cerebral palsy usually have an intellectual impairment.
Intellectual impairment is curable.
Paraplegia is an impairment caused by damage to the spinal cord. One cannot provide services to a deaf client without the aid of a sign language interpreter. Deaf persons can use a telephone to communicate. In order for a person using hearing aids to hear, one must always speak loudly. Braille is used by the majority of persons who are visually impaired.