Article: Distinct Functional Groups Emerge from the Intrinsic Properties of Molecularly Identified Entorhinal Interneurons and Principal Cells.

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Ferrante M; Tahvildari B; Duque A; Hadzipasic M; Salkoff D; Zagha EW; Hasselmo ME; McCormick DA
Cereb. Cortex, 2016

Table 1

Passive and active properties of principal cells in LII/III of the EC

	n Firing pattern	PYR	ST
	n Firing pattern	18	15
		Regular-adapting	Regular-adapting
Passive properties	RMP (mV)	-75.4 ± 0.8* (-82 to -70)	-72.3 ± 0.7* (-78 to -68)
	Input resistance (MΩ)	242 ± 21* (125 to 400)	149 ± 16* (80 to 260)
	Time constant (ms)	34.5 ± 2.2* (22 to 60)	20.8 ± 2.8* (11 to 49)
	SAG ratio (%)	7.6 ± 0.7* (4 to 13)	31.9 ± 2.9* (7 to 53)
Active properties	AP-threshold (mV)	-53.8 ± 0.4 (-56 to -51)	-52.8 ± 0.8 (-58 to -43
	AP amplitude (mV)	88.6 ± 1.96 (68 to 98)	85.6 ± 1.2 (78 to 95)
	AP half-height-width (ms)	1.1 ± 0.04* (0.9 to 1.62)	0.98 ± 0.04* (0.52 to 1.24)
	dV/dt ratio (min/max)	-0.18 ± 0.01* (-0.24 to -0.13)	-0.22 ± 0.01* (-0.34 to -0.16)
	Adaptation (%)	27 ± 5*	35 ± 15*
	DAP	No	No 13; Yes 2
EPSP	ampl (mV)	8.5+2.9*	2.5 ± 1.2*
	Frequency (Hz)

Values are reported in mean ± SEM.
RMP, resting membrane potential. DAP, depolarizing after-potential current.
*Statistically significant differences between neuronal classes (P < 0.05), t-test was used. Numbers in parentheses indicate the range (min-max).

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Inferred neuron-electrophysiology data values

Neuron Type	Neuron Description	Ephys Prop	Extracted Value	Standardized Value	Content Source
Medial entorhinal cortex layer III pyramidal cell	medial entorhinal cortex layer III regular-adapting pyramidal cell	membrane time constant (ms)	34.5 ± 2.2 (18)	34.5 (ms)	Data Table
Medial entorhinal cortex layer II stellate cell	medial entorhinal cortex layer II regular-adapting stellate cell	membrane time constant (ms)	20.8 ± 2.8 (15)	20.8 (ms)	Data Table
Medial entorhinal cortex layer III pyramidal cell	medial entorhinal cortex layer III regular-adapting pyramidal cell	sag ratio	7.6 ± 0.7 (18)	0.076 (ratio)	Data Table
Medial entorhinal cortex layer II stellate cell	medial entorhinal cortex layer II regular-adapting stellate cell	sag ratio	31.9 ± 2.9 (15)	0.319 (ratio)	Data Table
Medial entorhinal cortex layer III pyramidal cell	medial entorhinal cortex layer III regular-adapting pyramidal cell	spike threshold (mV)	-53.8 ± 0.4 (18)	-53.8 (mV)	Data Table
Medial entorhinal cortex layer II stellate cell	medial entorhinal cortex layer II regular-adapting stellate cell	spike threshold (mV)	-52.8 ± 0.8 (15)	-52.8 (mV)	Data Table
Medial entorhinal cortex layer III pyramidal cell	medial entorhinal cortex layer III regular-adapting pyramidal cell	spike amplitude (mV)	88.6 ± 1.96 (18)	88.6 (mV)	Data Table
Medial entorhinal cortex layer II stellate cell	medial entorhinal cortex layer II regular-adapting stellate cell	spike amplitude (mV)	85.6 ± 1.2 (15)	85.6 (mV)	Data Table
Medial entorhinal cortex layer III pyramidal cell	medial entorhinal cortex layer III regular-adapting pyramidal cell	spike half-width (ms)	1.1 ± 0.04 (18)	1.1 (ms)	Data Table
Medial entorhinal cortex layer II stellate cell	medial entorhinal cortex layer II regular-adapting stellate cell	spike half-width (ms)	0.98 ± 0.04 (15)	0.98 (ms)	Data Table
Medial entorhinal cortex layer III pyramidal cell	medial entorhinal cortex layer III regular-adapting pyramidal cell	resting membrane potential (mV)	-75.4 ± 0.8 (18)	-75.4 (mV)	Data Table
Medial entorhinal cortex layer III pyramidal cell	medial entorhinal cortex layer III regular-adapting pyramidal cell	adaptation percent (last/first ISI)	27.0 ± 5.0 (18)	27.0 (ratio)	Data Table
Medial entorhinal cortex layer II stellate cell	medial entorhinal cortex layer II regular-adapting stellate cell	adaptation percent (last/first ISI)	35.0 ± 15.0 (15)	35.0 (ratio)	Data Table
Medial entorhinal cortex layer II stellate cell	medial entorhinal cortex layer II regular-adapting stellate cell	resting membrane potential (mV)	-72.3 ± 0.7 (15)	-72.3 (mV)	Data Table
Medial entorhinal cortex layer III pyramidal cell	medial entorhinal cortex layer III regular-adapting pyramidal cell	input resistance (MΩ)	242.0 ± 21.0 (18)	242.0 (MΩ)	Data Table
Medial entorhinal cortex layer II stellate cell	medial entorhinal cortex layer II regular-adapting stellate cell	input resistance (MΩ)	149.0 ± 16.0 (15)	149.0 (MΩ)	Data Table