Before a movement is initiated, the population vector in the motor cortex has already shifted in the direction of the planned movement.

Question

Quizplus · Accepted Answer

This statement is true. Research has shown that populations of neurons in the motor cortex fire in a specific pattern depending on the direction of the planned movement, and this pattern of activity is detectable before the movement is actually initiated. This phenomenon is sometimes referred to as "preparatory activity" or "motor planning."

Before a Movement Is Initiated, the Population Vector in the Motor