Several studies indicate that brain activity preparing for a movement starts before the conscious decision to make the movement.Why is the interpretation of results uncertain?

Question

Several studies indicate that brain activity preparing for a movement starts before the conscious decision to make the movement.Why is the interpretation of results uncertain?​

Quizplus · Accepted Answer

The interpretation of the results is uncertain because voluntary decisions are gradual and difficult to pinpoint in time. This means that it is challenging to determine precisely when the decision to make a movement occurred and when the corresponding brain activity began. Therefore, while the studies indicate that brain activity preparing for a movement starts before the conscious decision to make the movement, the exact timing of these events remains uncertain.

Several Studies Indicate That Brain Activity Preparing for a Movement