An important point made by Fentress's study of grooming movements in forelimbless mice was that
A) the complex species-common grooming movements of mice are not learned.
B) feedback is an important component of the central sensorimotor program for mouse grooming.
C) feedback is necessary to shape paw movements but not to shape those of the proximal limbs.
D) species-common grooming movements must be learned.
E) both A and B
Answer: E
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