Fig. 4

GABA-induced transients in IC and HC astrocytes. a: Application of GABA (1 mM) caused an inward current (I_{GABA (max)}; E_H = −85 mV; a_1-2), which was larger in HC astrocytes (a₃). b: Similarly, GABA induced a membrane depolarization (ΔE_M; b_1-2), which was not significantly different between IC and HC astrocytes (b₃). Shown are mean values ± SEM. Significance levels in panel a₃ and b₃ were Šidák corrected for two comparisons (see Methods section)