Cognitive ability becomes increasingly stable after age 3, study finds

Cognitive ability becomes increasingly stable after age 3, study finds

An analysis of data from the Colorado Longitudinal Twin Study suggests that general cognitive ability tends to be highly stable across the lifespan, but this stability only emerges after about age 3. Measures of cognitive ability taken during infancy were associated with cognitive ability in adulthood, but only weakly. The study was published in PNAS. Cognitive ability refers to a person’s capacity to acquire knowledge, think, reason, solve prob…