The planning and execution of movements is a function performed by the association cortex in which cortical lobe?

Greta carries the fragile-X chromosome. This means that she:

will be perfectly normal. might be normal or mentally retarded. will be severely mentally retarded. will have several physical abnormalities.

In an fMRI, one region of a man's brain appeared activated during a particular test of verbal skills. Ten years later, the man had experienced some minor brain pathology but participated in training exercises to promote his cognitive function. In a recent fMRI, a different region of the brain appeared to be activated while he performed the original verbal skills test. The recent fMRI demonstrates which of the following concepts?

a. lateralization b. positivity c. plasticity d. executive function