For some persons with mental disorders, intellectual disabilities, or developmental disabilities, the least restrictive environment may be a facility operated by the department, a private facility, a supported community living situation, or an alternative community program designed for persons who are civilly detained for outpatient treatment or who are conditionally released pursuant to chapter 632; (23) "Mental disorder", any organic, mental or emotional impairment which has substantial adverse effects on a person's cognitive, volitional or emotional function and which constitutes a substantial impairment in a person's ability to participate in activities of normal living; (24) "Mental illness", a state of impaired mental processes, which impairment results in a distortion of a person's capacity to recognize reality due to hallucinations, delusions, faulty perceptions or alterations of mood, and interferes with an individual's ability to reason, understand or exercise conscious control over his actions.
The term "mental illness" does not include the following conditions unless they are accompanied by a mental illness as otherwise defined in this subdivision: (a) Intellectual disability, developmental disability or narcolepsy; (b) Simple intoxication caused by substances such as alcohol or drugs; (c) Dependence upon or addiction to any substances such as alcohol or drugs; (d) Any other disorders such as senility, which are not of an actively psychotic nature; (25) "Minor", any person under the age of eighteen years; (26) "Patient", an individual under observation, care, treatment or rehabilitation by any hospital or other mental health facility or mental health program pursuant to the provisions of chapter 632; (27) "Psychosurgery": (a) Surgery on the normal brain tissue of an individual not suffering from physical disease for the purpose of changing or controlling behavior; or (b) Surgery on diseased brain tissue of an individual if the sole object of the surgery is to control, change or affect behavioral disturbances, except seizure disorders; (28) "Rehabilitation", a process of restoration of a person's ability to attain or maintain normal or optimum health or constructive activity through care, treatment, training, counseling or specialized attention; (29) "Residence", the place where the patient has last generally lodged prior to admission or, in case of a minor, where his family has so lodged; except, that admission or detention in any facility of the department shall not be deemed an absence from the place of residence and shall not constitute a change in residence; (30) "Resident", a person receiving residential services from a facility, other than mental health facility, operated, funded or licensed by the department; (31) "Residential facility", any premises where residential prevention, evaluation, care, treatment, habilitation or rehabilitation is provided for persons affected by mental disorders, mental illness, intellectual disability, developmental disabilities or alcohol or drug abuse; except the person's dwelling; (32) "Specialized service", an entity which provides prevention, evaluation, transportation, care, treatment, habilitation or rehabilitation services to persons affected by mental disorders, mental illness, intellectual disabilities, developmental disabilities or alcohol or drug abuse; (33) "Vendor", a person or entity under contract with the department, other than as a department employee, who provides services to patients, residents or clients; (34) "Vulnerable person", any person in the custody, care, or control of the department that is receiving services from an operated, funded, licensed, or certified program.
In general, mentally retarded children reach developmental milestones such as walking and talking much later than the general population.
Symptoms of mental retardation may appear at birth or later in childhood.
Intellectual disability, cerebral palsy, epilepsy, head injury or autism, or a learning disability related to a brain dysfunction; or b. Capacity for independent living or economic self-sufficiency; f.