Which of the Following Statements Best Describes the Population Vector

Multiple Choice

Which of the following statements best describes the population vector associated with a reaching movement from left to right?

A) The population vector shifts from right to left only while the arm is actually moving.
B) The population vector shifts from left to right only after the arm has moved and stopped.
C) The population vector shifts from left to right only while the arm is actually moving.
D) The population vector shifts from left to right before the arm begins to move.