The term "silent lobes" has been used for the frontal lobes because they

"Memories of the future" refers to the ability to make plans and then to follow them to guide behavior, saving mental images of the future to memory. This ability is a characteristic of what makes humans_______ beings rather than______ compared to other mammals.

Neuroimaging studies of healthy individuals and studies of individuals with frontal lobe brain damage have provided differing 'pictures' of the functions of the frontal lobes. How do they differ and why do you think this difference occurs?