Table 1.

Intrinsic properties of GPe neurons

	Lhx6	PV
n	40	30
Input resistance (MΩ)	301 ± 168	170 ± 16**
Capacitance (pF)	164 ± 65	241 ± 113**
Vm rest (mV)	−71.7 ± 7.2	−68.9 ± 5.5
AP threshold (mV)	−55.4 ± 14.1	−55.7 ± 4.4
AP half-width (ms)	0.37 ± 0.11	0.28 ± 0.09**
Afterhyperpolarization (mV)	19.3 ± 4.0	21.9 ± 4.7*
Maximum firing rate (Hz)	249 ± 80	347 ± 80**
Adaptation ratio (Hz)	0.80 ± 0.11	0.81 ± 0.03
Linear slope (Hz/nA)	491 ± 164	494 ± 287
Cell-attached firing rate (Hz)	34 ± 33	62 ± 34**
Cell-attached CV	0.31 ± 0.39	0.22 ± 0.25
Whole-cell firing rate (Hz)	7.8 ± 14.2	28 ± 25**
Sag (mV)	16.1 ± 7.0	13.8 ± 5.5

Summary of intrinsic parameters recorded in Lhx6–GPe and PV–GPe neurons.

**p < 0.01;

*p < 0.05. Values for AP threshold and V_m rest were corrected for liquid junction potential (12 mV). Values are mean ± SD.