<Tr> <Td> corticobulbar tract </Td> <Td> from the motor cortex to several nuclei in the pons and medulla oblongata </Td> <Td> Involved in control of facial and jaw musculature, swallowing and tongue movements . </Td> </Tr> <Tr> <Td> colliculospinal tract (tectospinal tract) </Td> <Td> from the superior colliculus to lower motor neurons </Td> <Td> Involved in involuntary adjustment of head position in response to visual information . </Td> </Tr> <Tr> <Td> rubrospinal tract </Td> <Td> from red nucleus to lower motor neurons </Td> <Td> Involved in involuntary adjustment of arm position in response to balance information; support of the body . </Td> </Tr> <Tr> <Td> vestibulospinal tract </Td> <Td> from vestibular nuclei, which processes stimuli from semicircular canals </Td> <Td> It is responsible for adjusting posture to maintain balance . </Td> </Tr>

Where is the soma of an upper motor neuron that controls skeletal muscle found