Place Your Index Finger on the Far Outside Edge of One

Essay

Place your index finger on the far outside edge of one of your eyelids.Now apply gentle pres- sure to your eye (through the lid;do not touch your eye directly).As you apply pressure,you should see your environment tilt in correspondence with your eye's movement.(A)How would you explain the perception of movement as your eye moves? (B)Does this demonstration sup- port the corollary discharge signal as the stabilizing mechanism during eye movement?