Table 1.

Functional properties of three major K⁺ current components in OA interneurones

1. Fast delayed rectifier (%)	57±5	(12)
Activation curve
Midpoint V (mV)	−8.0±2.1
k (mV)	16.1±0.7	(10)
Inactivation curve
Midpoint V (mV)	−40.6±2.4
k (mV)	7.8±0.8
Non-inact. comp. (%)	8±4	(5)
Deactiv. time constant (−40mV)(ms)	11.1±0.9	(7)
2. Slow delayed rectifier (%)	25±6	(9)
Activation curve
Midpoint V (mV)	−3.6±4.2
k (mV)	23.1±1.0	(7)
Inactivation curve
Midpoint V (mV)	−52.2±7.7
k (mV)	15.2±1.7
Non-inact. comp.(%)	7±2	(5)
Deactiv. time constant (−40mV)(ms)	21.0±1.7	(9)
3. A-type(%)	19±2	(10)
Activation curve
Midpoint V (mV)	−0.2±3.0
k (mV)	26.8±0.8	(10)
Inactivation curve
Midpoint V (mV)	−78.5±2.4
k (mV)	6.0±1.2	(7)
Recovery from inactivation time
constant (ms)	39.3±18.5
Amplitude (%)	42±13
Time constant (ms)	329±317
Amplitude (%)	36±12	(6)

Values indicate: means, s.e.m., and total number of nucleated patches (in parentheses). Non-inact., non-inactivating; deactiv. deactivation.