Prolonged Exposure to Movement in One Direction ____________ the Motion

question 2

Multiple Choice

Prolonged exposure to movement in one direction ____________ the motion detectors sensitive to that direction. When the movement stops, the baseline firing rate of detectors for the opposite direction of motion will be ____________ than the firing rate for the detectors that responded to the prolonged movement, leading to motion after-effects.

• A) activates; higher
• B) activates; lower
• C) fatigues; higher
• D) fatigues; lower

---

Definitions:

Ribs

The long curved bones which form the rib cage, providing protection to the thoracic cavity and its organs.

Distal End

The end of a limb or bone that is farthest from the center of the body or from the point of attachment.

Humerus

The long bone in the upper arm or forelimb, extending from the shoulder to the elbow.

Carpals

The eight small bones that make up the wrist, which connect the hand to the forearm, allowing for the wrist's complex movements.