Intellectual abilities tend to peak in the late twenties and early thirties and then decline gradually through the forties and fifties. After age 60, intellectual abilities show a sharp decrease.

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Quizplus · Accepted Answer

This statement is partially true. While intellectual abilities do tend to peak in the late twenties and early thirties, research shows that the decline is gradual and individualized. Some cognitive abilities may actually improve with age, while others decline at different rates. Additionally, the sharp decrease in intellectual abilities after age 60 is not accurate for all individuals. Some may experience cognitive decline later in life or not at all.

Intellectual Abilities Tend to Peak in the Late Twenties and Early