Table 1.

Intrinsic properties of XIIts MNs in vivo andin vitro

Vrest (mV)Input resistance (MΩ)Tonic firing rate (Hz)Action potential width half-height (msec)ADP/AHPAHP amplitude (mV)ADP amplitude (mV)Firing frequency (Hz/nA)Rectification (n)
In vitro−63.8  ± 1.3 (22)1-a49.4  ± 3.3 (33)24.1  ± 2.7 (22)0.49  ± 0.02 (40)40 (40)14  ± 0.7 (38)5.7  ± 0.5 (27)82 (40)14 (40)
In vivo−60  ± 3.8 (6)49.2  ± 10.8 (5)Expiratory-linked rhythmic firing0.68  ± 0.1 (6)6 (6)7.8  ± 1 (5)3.6  ± 0 (2)75 (5)3 (6)
  • F1-a Number of cells in parentheses.