Table 1.

Spike number ratios, S2/S1, are shown at 25ºC for 0.5-s at 10-, 20-, 30-, and 40-s intervals (n = 5, 7, 13, 12, respectively) and 2-s stimuli for 10-, 20-, 30-, and 40-s intervals (n = 5, 22, 23, 13, respectively). Spike number ratios are also shown at 37ºC for 0.5-s at 10-, 20-, 30-, and 40-s intervals (n = 10, 9, 16, 10, respectively) and 2-s stimuli for 10-, 20-, 30-, and 40-s intervals (n = 13, 11, 17, 10, respectively).

Interstimulus interval (s)	25ºC		37ºC
	0.5-s stimulus	2-s stimulus	0.5-s stimulus	2-s stimulus
10	1.1 ± 0.3	1.0 ± 0.1	2.0 ± 0.1	1.2 ± 0.2
20	1.0 ± 0.2	0.69 ± 0.10	1.6 ± 0.4	1.7 ± 0.2
30	1.8 ± 0.3	1.2 ± 0.1	1.6 ± 0.1	1.3 ± 0.2
40	1.3 ± 0.2	0.76 ± 0.10	1.7 ± 0.4	1.5 ± 0.2