the effect on the ear of stimulating the sympathetic nervous system was studied in rats by recording the compound action potentials ( n1n2 ) in response to 2 khz tonebursts presented to anesthetized rats before , during , and after electrical stimulation of the superior cervical ganglion , and evaluating the changes in n1 latency which resulted .
C0039044
sympathetic nervous system
C0206257
superior cervical ganglion