In Studies of the Role of Sensory Feedback on Motor

Multiple Choice

In studies of the role of sensory feedback on motor behavior in monkeys,Taub and Berman (1968) first severed the dorsal roots for one arm and observed motor behavior (Phase 1) ,and then severed the dorsal roots for the remaining intact arm and again observed motor behavior (Phase 2) .They found that the monkeys

A) could move and use their arms only when the corresponding dorsal roots were intact.
B) preferred to use their intact arms following Phase 1 but returned to using both arms following Phase 2.
C) preferred to use their disconnected arms following Phase 1 but returned to using both arms following Phase 2.
D) required sensory feedback to use and move their limbs.