Table 1.

Properties of AMPA and NMDA EPSCs in FS interneurons in the rat prefrontal cortex

	CI (RI > 0.7) n= 19 (21.8%)	CP (RI < 0.7) n= 68 (78.2%)	P value
Age (days)	43.9 ± 7.29	46.4 ± 3.77	0.754
	(PD15–101)	(PD15–108)
Rectification index	1.23 ± 0.06	0.21 ± 0.02	<0.0001
	(0.76–1.78)	(0.01–0.64)
Resting membrane potential (mV)	−66.6 ± 3.33	−67.1 ± 1.22	0.733
Input resistance (MΩ)	210.3 ± 30.7	191.0 ± 11.6	0.240
AP threshold (mV)	−35.7 ± 2.21	−33.7 ± 1.34	0.356
AP half-width (ms)	0.56 ± 0.02	0.55 ± 0.03	0.868
Afterhyperpolarization (mV)	16.2 ± 3.46	14.4 ± 1.76	0.655
AMPA EPSC amplitude (pA)	72.4 ± 14.2	78.6 ± 7.2	0.616
AMPA EPSC decay (ms)	4.25 ± 0.53	3.92 ± 0.42	0.925
AMPA EPSC charge (pC)	0.65 ± 0.15	0.87 ± 0.10	0.421
AMPA EPSC 20–80% rise time (ms)	0.65 ± 0.06	0.67 ± 0.05	0.966
NMDA EPSC amplitude (pA)	53.4 ± 12.05	8.87 ± 1.58	<0.0001
NMDA/AMPA ratio	1.02 ± 0.12	0.19 ± 0.02	<0.0001