Table 2.

Single-channel opening properties for α1β3δ GABA_A receptors

Drug	τ1	A1	τ2	A2	τ3	A3	Mean	n
1 mm GABA	0.31  ± 0.02	0.81  ± 0.06	1.02  ± 0.09	0.19  ± 0.06			0.444  ± 0.026	3
1 mm GABA + 1 μm THDOC	0.357  ± 0.02	0.43  ± 0.04	1.822  ± 0.20	4.47  ± 0.03	5.94  ± 0.98	0.10  ± 0.03	1.52  ± 0.15	5
1 μm THDOC	0.29  ± 0.02	0.72  ± 0.02	1.00  ± 0.23	0.24  ± 0.01	3.94  ± 1.70	0.04  ± 0.02	0.535  ± 0.054	3

The open duration histograms were fitted with multiple exponential functions, where τ is the time constant and A is the relative area.