<Tr> <Th> Basal ganglia </Th> <Td> Forebrain </Td> <Td> Action selection on the basis of motivation </Td> </Tr> <Tr> <Th> Motor cortex </Th> <Td> Frontal lobe </Td> <Td> Direct cortical activation of spinal motor circuits </Td> </Tr> <Tr> <Th> Premotor cortex </Th> <Td> Frontal lobe </Td> <Td> Groups elementary movements into coordinated patterns </Td> </Tr> <Tr> <Th> Supplementary motor area </Th> <Td> Frontal lobe </Td> <Td> Sequences movements into temporal patterns </Td> </Tr>

Where does most of the brain's work take place