Which ability is MOST likely to start declining by a person's thirties?
A) vocabulary
B) knowledge of history
C) how quickly someone can perform complex new tasks
D) no ability declines during this decade

Question

Quizplus · Accepted Answer

By a person's thirties, their processing speed and ability to quickly perform complex new tasks is most likely to start declining. This is due to changes in the brain's structure and function that occur with age. Vocabulary and knowledge of history are less likely to decline significantly during this decade.

Which Ability Is MOST Likely to Start Declining by a Person's