Table 4. Maximal Enhancement or Inhibition of GABA Currents after 4 h Hypoxia Relative to Control.

	Control (% of control)	0 h Recovery (% of control)	24 h Recovery (% of control)	48 h Recovery (% of control)
	Mean ± SEM (n)	Mean ± SEM (n)	Mean ± SEM (n)	Mean ± SEM (n)
Diazepam	256 ± 16.6 (10)	358 ±13.9 (8)**	303 ± 21.2 (8)	274 ± 20.1 (8)
Zolpidem	245 ± 21.7 (10)	317 ± 24.5 (8)	310 ± 25.3 (6)	334 ± 14.4 (8)*
Pentobarbital	777 ± 163 (6)	654 ± 177 (2)	635 ± 170 (5)	668 ± 33.1 (4)
Zinc	5.72±1.39 (6)	6.58 ± 2.06 (5)	7.70 ± 1.77 (6)	4.90 ± 0.88 (6)

p<0.05,

^**p<0.01,

^***p<0.001 by Bonferroni correction after one way ANOVA