Ken is having a PET scan while he is doing a cognitive task.The PET scan shows a great deal of activity in Ken's brain while he is doing the task.What does this mean about Ken's performance on the task?
A) Ken is likely doing very well on the task; his brain is working hard.
B) Ken is likely not performing well on the task; his brain is not very efficient.
C) Ken has likely given up on the task; his brain is shutting down.
D) Ken has likely completed the task; his brain is consolidating the memory of the task.

Question

Quizplus · Accepted Answer

Increased brain activity during a task can indicate that the brain is working harder, which may suggest inefficiency rather than proficiency. Efficient performance often requires less cognitive effort.

Ken Is Having a PET Scan While He Is Doing