Intelligence trajectories in adolescents and adults with down syndrome: Cognitively stimulating leisure activities mitigate health and ADL problems.
Hefziba Batya LifshitNoa BustanShlomit Shnitzer-MeirovichPublished in: Journal of applied research in intellectual disabilities : JARID (2020)
Intelligence development into adulthood supported the continuous trajectory and compensation age theory, rather than accelerated or stable trajectories. Not only endogenous factors but also exogenous factors determined intelligence levels in adults with Down syndrome, supporting cognitive activity theory.