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.

Question

Quizplus · Accepted Answer

The monkeys initially preferred to use their intact arms when one arm's dorsal roots were severed, but after both arms' dorsal roots were severed, they returned to using both arms, indicating that they could adapt to the lack of sensory feedback.

In Studies of the Role of Sensory Feedback on Motor