The lateral premotor region and the medial premotor region (also called the supplementary motor area) are often said to have different functions. how might these functions be characterized?
a. lateral premotor is important for environmentally-driven actions but sma is important for internally-driven actions
b. sma is important for environmentally-driven actions, but lateral premotor is important for internally-driven actions
c. lateral premotor is important for choosing which response to make (ie which finger to use), and sma is important for actual execution of it
d. sma is improtant for choosing which response to make and lateral premotor is important for actual execution of it