Fig. 40. Response of canal afferent to a 300 degrees/sec step change in head velocity. Dashes mark periods of acceleration and deceleration. Note how response returns to baseline in about 60 seconds despite continued rotation. (Redrawn from Goldberg JM, Fernández C: Physiology of peripheral neurons innervating semicircular canals of the squirrel monkey: I. Resting discharge and response to constant angular accelerations. J Neurophysiol 34: 635, 1971.)