Which of the Following Is a Major Finding of the Jenkins

Multiple Choice

Which of the following is a major finding of the Jenkins and colleagues PET study of motor learning?

A) Dorsolateral prefrontal cortex was activated during well-practiced but not newly learned sequences.
B) The cerebellum was more active during well-practiced than during newly learned sequences.
C) Contralateral primary motor and somatosensory cortexes were activated during both well-practiced and newly learned sequences.
D) all of the above
E) both A and B