Table 3.

Percentage of total failures is increased following vagotomy

Stimulus Shock	Percent Total Failures of Control Synapses	Percent Total Failures of Vagotomized Synapses	P
1	1 ± 0.6	2 ± 0.9	0.5
2	3 ± 0.9	10 ± 2.5	0.004
3	7 ± 1.7	22 ± 4.2	<0.001
4	10 ± 2.0	25 ± 4.3	<0.001
5	12 ± 2.0	29 ± 4.2	<0.001

Following vagotomy the percentage of total failures is significantly increased for the second through fifth stimulus shocks during a 50-Hz stimulation train. Percent failures were derived after each stimulus by counting the total number of failures and dividing that number by 10 (for the 10 trials each cell underwent) multiplied by the total number of control (n = 66) or vagotomized (n = 43) neurons. Values are presented as means ± SE.