Okla. Stat. tit. 10A, § 10A-2-2-401.1

As used in Sections 2-2-401.1 through 2-2-401.7 of this title:

1. "Competent" and "competency" refer to a child's ability to

understand the nature and objectives of a proceeding against the

child or to assist in the child's defense. A child is incompetent

if, due to developmental disability, developmental immaturity,

intellectual disability, or mental illness, the child is presently

incapable of understanding the nature and objective of proceedings

against the child or of assisting in the child's defense;

2. "Credentialed forensic evaluator" means a licensed

psychologist, psychiatrist or other physician with necessary

education, training, and experience to perform juvenile competency

evaluations, and who has been approved to render such opinions for

the court;

3. "Developmental disability" means a severe and chronic

disability that is attributable to a mental or physical impairment.

Such disabilities include, but are not limited to, cerebral palsy,

epilepsy, autism, or other neurological conditions that lead to

impairment of general intellectual functioning or adaptive behavior;

4. "Developmental immaturity" means a condition based on a

juvenile's chronological age and significant lack of developmental

skills when the juvenile has no significant mental illness or

intellectual disability;

5. "Intellectual disability" means a disability characterized

by significant limitations both in intellectual functioning and in

adaptive behavior as expressed in conceptual, social and practical

adaptive skills;

6. "Mental illness" has the same meaning as in paragraph 11 of

Section 5-502 of Title 43A of the Oklahoma Statutes; and

7. "Proceeding" means any delinquency or youthful offender

proceeding under the Oklahoma Juvenile Code.