Table 1.

GABA release by cerebellar stimulation (stim.) at 200 Hz (ref. 50)

No. of cats	of expt	Before (b)	During stim. (d)	After	Ratio of each d/b
(Values are mean ± SEM at ×10−11 moles/min)
In the 4th ventricle
5	13#	66.9 ± 15.5	154.5 ± 36.7*	—	3.02 ± 0.53*
In Deiters and interpositus nuclei
All experiments
7	27	0.76 ± 0.13	0.96 ± 0.14	0.65 ± 0.12	2.47 ± 0.56*
High background (higher than 0.7 × 10−11 moles/min)
	13	1.27 ± 0.16	1.13 ± 0.25	0.97 ± 0.19	0.90 ± 0.22
Low backgound (lower than 0.7 × 10−11 moles/min)
	14	0.29 ± 0.06	0.81 ± 0.14*	0.33 ± 0.09	3.93 ± 0.95*

^#Three experiments in Fig. 5 are included.

*Statistically significant increase when compared with (b) or unity.