Article: Anatomical, physiological and molecular properties of Martinotti cells in the somatosensory cortex of the juvenile rat.

Full Text (publisher's website) ; Article Metadata ; Article Data (extracted)
Wang Y; Toledo-Rodriguez M; Gupta A; Wu C; Silberberg G; Luo J; Markram H
J. Physiol. (Lond.), 2004

Table 4.

Comparison of electrophysiological properties of MCs in different layers at RT

	Mean ± s.d.					t test
	All layers (n = 67)	Layer II/III (n = 30)	Layer IV (n = 19)	Layer V (n = 14)	Layer VI (n = 4)	LII/III vs LIV	LII/III vs LV	LII/III vs LVI	LIV vs LV	LIV vs LVI	LV vs LVI
Resting mV	−54.57±5.06	−54.85±4.77	−54.59±6.57	−54.57±4.24	−52.50±4.20
AP drop
Drop in 1st to 2nd spike (mV)	3.95±4.98	2.43±4.17	6.62±4.84	3.69±5.52	3.59±6.60				P < 0.01
Change to SS (mV)	7.12±9.16	6.04±9.37	11.77±8.34	4.03±7.30	3.95±13.00	P < 0.05			P < 0.01
Change to SS after 2nd spike (mV)	−3.17±5.87	−3.61±6.74	−5.16±4.67	−0.33±4.24	−0.35±6.89				P < 0.01
Max rate of AP change (mV/AP)	1.19±1.05	1.22±1.28	0.73±0.50	1.60±1.00	1.70±0.66				P < 0.01
AP1 waveform
AP ampl., av (mV)	68.52±8.94	65.99±7.96	75.00±9.60	66.26±7.12	64.60±5.19	P < 0.01			P < 0.01	P < 0.05
AP duration, av (ms)	3.49±0.45	3.40±0.46	3.69±0.53	3.42±0.31	3.46±0.10
AP duration HW, av (ms)	1.62±0.25	1.57±0.23	1.71±0.31	1.64±0.23	1.62±0.03
AP rise time, av (ms)	1.11±0.19	1.10±0.22	1.13±0.21	1.11±0.14	1.10±0.05
AP fall time, av (ms)	2.37±0.30	2.29±0.26	2.55±0.38	2.31±0.20	2.36±0.05	P < 0.05			P < 0.05	P < 0.05
AP rise rate (mV ms⁻¹)	63.83±13.81	61.94±13.23	70.53±16.92	61.29±11.26	58.50±2.92					P < 0.05
AP fall rate (mV ms⁻¹)	−29.38±10.25	−29.46±10.15	−28.39±14.78	−30.21±4.90	−30.15±1.31						P > 0.95
AHP fast, av (mV)	8.67±3.79	9.30±2.98	6.70±4.38	8.95±4.03	12.31±1.72	P < 0.05		P < 0.05		P < 0.01	P < 0.05
AP2 waveform
AP ampl., av (mV)	62.29±7.36	60.51±6.79	67.31±8.40	60.80±5.91	59.49±2.54	P < 0.01			P < 0.05	P < 0.01
AP duration, av (ms)	4.17±0.50	4.16±0.55	4.32±0.53	4.03±0.42	4.11±0.24
AP duration HW, av (ms)	2.07±0.33	2.07±0.39	2.12±0.31	2.00±0.27	2.06±0.16
AP rise time, av (ms)	1.37±0.23	1.39±0.26	1.36±0.21	1.36±0.22	1.36±0.15
AP fall time, av (ms)	2.80±0.35	2.78±0.35	2.97±0.43	2.67±0.25	2.75±0.10				P < 0.05
AP rise rate (mV ms⁻¹)	46.84±10.37	45.21±9.94	51.01±12.43	46.34±9.62	44.13±5.82
AP fall rate (mV ms⁻¹)	−22.41±5.85	−21.19±7.68	−23.19±3.80	−23.81±3.65	−23.60±1.58
AHP fast, av (mV)	9.72±2.33	9.50±2.48	9.05±1.60	10.16±2.60	12.59±0.75			P < 0.01		P < 0.01	P < 0.01
AP1/AP2 waveform
Ch, AP ampl. (%)	−10.01±6.30	−9.12±5.46	−12.67±6.81	−9.07±6.32	−8.73±9.85
Ch, AP duration (%)	16.95±4.83	17.98±5.89	16.97±3.69	15.08±3.59	15.63±2.94
Ch, AP duration HW (%)	22.64±7.18	25.02±8.47	22.30±5.26	18.35±4.98	21.19±4.71		P < 0.01		P < 0.05

SS, steady state; RI, rectification index; IR, input resistance; AP, action potential; HW, half-width; sAHP; small after hyperpolarization; SD, standard deviation.
Ch, AP rise rate (%)	−38.24±16.48	−38.24±14.70	−43.00±18.65	−33.82±17.00	−34.62±21.91
Ch, AP fall rate (%)	−34.80±12.84	−38.06±14.16	−37.17±11.37	−26.98±8.49	−28.29±11.93		P < 0.01		P < 0.01
Ch, AHP fast (%)	9.43±25.41	2.04±19.84	15.51±17.65	19.38±40.28	2.30±11.69	P < 0.05
ADP
The ADP (mV)	1.07±2.10	0.39±1.58	0.96±1.96	2.79±2.63	1.13±2.25		P < 0.01		P < 0.05
IV
IR for peak (MΩ)	330.19±134.87	287.63±99.18	376.03±162.92	371.98±156.52	285.43±59.05	P < 0.05
IR for SS (MΩ)	198.19±79.87	173.25±64.25	230.61±95.21	212.41±87.54	181.51±27.48	P < 0.05
RI for peak IV	28.22±10.94	30.57±12.03	30.59±11.91	21.40±4.25	23.29±1.99		P < 0.01	P < 0.01	P < 0.01	P < 0.05
RI for SS IV	17.47±8.24	19.00±9.55	19.16±8.31	12.57±3.44	15.05±2.45		P < 0.01		P < 0.01
Max sag is (mV)	4.63±2.71	5.44±2.72	3.46±1.92	3.84±2.78	6.91±3.44	P < 0.01
Delta
Delta av decay time constant (ms)	24.00±8.37	22.77±6.78	25.57±8.34	25.59±12.06	20.13±2.96					P < 0.05
AP threshhold
AP threshold (mV)	−47.10±2.99	−46.27±2.92	−48.96±1.33	−47.09±3.95	−44.44±1.06	P < 0.01		P < 0.05		P < 0.01	P < 0.05
AHP after 1st AP in the ramp	9.09±3.49	9.21±3.31	8.05±2.40	8.61±4.02	14.71±3.30			P < 0.05		P < 0.05	P < 0.05
sAHP
sAHP, 0.8 ms (mV)	0.79±2.23	1.12±1.67	0.56±2.76	0.21±2.78	1.53±1.02
sAHP, max (mV)	2.00±1.68	2.09±1.43	1.46±1.93	2.12±1.73	3.29±2.06
Time, max (ms)	0.99±0.41	0.95±0.39	0.98±0.48	1.06±0.44	1.03±0.34
sAHP, τ (ms)	238.54±764.27	142.26±242.72	40.90±96.39	441.68±851.02	1140.23±2705.74
Sag
Max sag	10.90±4.83	12.75±4.50	8.18±2.77	10.57±6.20	8.31±2.36	P < 0.01		P < 0.05
Sag Vs. VmSlope	−0.16±0.07	−0.19±0.07	−0.14±0.04	−0.13±0.07	−0.13±0.03	P < 0.05	P < 0.01	P < 0.05
Rebound spike	0.60±0.49	0.50±0.51	0.73±0.47	0.69±0.48	0.50±0.58
Discharge
Slope of ID threshold	0.18±0.06	0.19±0.05	0.20±0.07	0.15±0.08	0.12±0.02			P < 0.01		P < 0.01
Av delay to 1st spike	0.05±0.03	0.05±0.02	0.06±0.03	0.05±0.03	0.04±0.02
SD for delay to	0.06±0.04	0.05±0.04	0.07±0.05	0.05±0.03	0.05±0.04
1st spike
Av delay to 2nd spike	0.06±0.03	0.07±0.03	0.08±0.04	0.05±0.02	0.05±0.02		P < 0.05		P < 0.05
SD for delay to	0.07±0.07	0.08±0.08	0.09±0.08	0.05±0.03	0.04±0.02		P < 0.05	P < 0.05		P < 0.05
2nd spike
Av initial burst interval	0.06±0.04	0.06±0.03	0.08±0.04	0.05±0.02	0.05±0.02		P < 0.05		P < 0.05	P < 0.05
SD for av initial burst interval	0.07±0.07	0.08±0.08	0.09±0.08	0.05±0.03	0.04±0.02		P < 0.05	P < 0.05	P < 0.05	P < 0.05
Av initial accom	−38.87±49.81	−24.73±30.61	−39.35±39.18	−73.05±81.73	−23.02±20.32		P < 0.05
Av SS accom	−148.84±167.90	−87.70±63.77	−112.48±83.77	−291.23±284.98	−281.76±179.89		P < 0.05		P < 0.05
Rate of accom I toSS	−14.09±21.28	−6.78±7.16	−10.00±9.10	−31.97±38.44	−25.78±19.95		P < 0.05
Av accom at SS	−16.30±35.24	−7.56±5.93	−13.41±11.60	−28.91±69.30	−51.45±50.67
Av rate accom during SS	−1.95±5.02	−0.75±0.72	−1.52±1.50	−3.90±9.94	−6.07±7.69	P < 0.05
Av CV discharge	6.25±3.75	7.90±4.04	5.97±3.29	3.91±2.22	3.42±2.33		P < 0.01	P < 0.05	P < 0.05
Av skew discharge	−0.35±0.90	−0.47±0.82	−0.32±0.81	−0.38±0.92	0.53±1.73
Av discharge STUT	0.09±0.08	0.06±0.04	0.09±0.07	0.14±0.09	0.18±0.12	P < 0.01

Report miscurated data

Inferred neuron-electrophysiology data values

Neuron Type	Neuron Description	Ephys Prop	Extracted Value	Standardized Value	Content Source