The Director of the Institute shall conduct and support research and related activities into the causes, prevention, and treatment of intellectual disabilities.
(July 1, 1944, ch. 373, title IV, § 450, as added Pub. L. 99–158, § 2, Nov. 20, 1985, 99 Stat. 856; amended Pub. L. 111–256, § 2(f)(3), Oct. 5, 2010, 124 Stat. 2644.)