105 CMR, § 309.004
Cognitive Impairment: means any condition that impairs any or several of the mental faculties of attention, alertness, perception, comprehension, judgment, memory, or reasoning that may influence the physical action, reaction time, or other responses used by a person to understand and interact with the environment.
Functional Impairment: means any symptom of a disease or medical condition that results in full or partial decrease in any or several sensory or motor functions including but not limited to peripheral sensation of the extremities, strength, flexibility, motor planning and coordination.
Health Care Provider: means a registered nurse, licensed practical nurse, physician, physician assistant, psychologist, occupational therapist, physical therapist, optometrist, ophthalmologist, osteopath, or podiatrist who is a licensed health care provider under M.G.L. c.112.
Registry of Motor Vehicles: means the division within the Massachusetts Department of Transportation that is responsible for administering and enforcing the provisions of law relative to the privilege of operating motor vehicles on the ways of the Commonwealth conferred by a license issued under M.G.L. c. 90 § 8, a learner's permit issued under M.G.L. c. 90 § 8B, or by reciprocity to nonresidents under M.G.L. c. 90, §§ 3 and 10.
105 CMR, § 309.004