<Tr> <Th> Verbal </Th> <Td> Makes no sounds </Td> <Td> Makes sounds </Td> <Td> Words </Td> <Td> Confused, disoriented </Td> <Td> Oriented, converses normally </Td> <Td> N / A </Td> </Tr> <Tr> <Th> Motor </Th> <Td> Makes no movements </Td> <Td> Extension to painful stimuli (decerebrate response) </Td> <Td> Abnormal flexion to painful stimuli (decorticate response) </Td> <Td> Flexion / Withdrawal to painful stimuli </Td> <Td> Localizes to painful stimuli </Td> <Td> Obeys commands </Td> </Tr> <P> Note that a motor response in any limb is acceptable . The scale is composed of three tests: eye, verbal and motor responses . The three values separately as well as their sum are considered . The lowest possible GCS (the sum) is 3 (deep coma or death), while the highest is 15 (fully awake person). </P> <P> There are four grades starting with the most severe: </P>

A patient in the deepest coma would be scored a on the glasgow coma scale