It is generally the case that most great scientists have their ground-breaking ideas when they are in early to middle adulthood,but rarely when they are older.What might explain this fact?
A)White matter in the brain substantially decreases from middle to late adulthood.
B)General intelligence declines steeply after middle adulthood.
C)Fluid intelligence peaks in middle adulthood,and then declines in later life.
D)Crystallized intelligence peaks in middle adulthood,and then declines in later life.

Question

Quizplus · Accepted Answer

Fluid intelligence, which is the ability to think logically and solve problems in novel situations, peaks in middle adulthood and then declines in later life. This may explain why most great scientists have their ground-breaking ideas when they are in early to middle adulthood, as they are more likely to have high levels of fluid intelligence at that age.

It Is Generally the Case That Most Great Scientists Have