Article: Functional diversity of layer IV spiny neurons in rat somatosensory cortex: quantitative morphology of electrophysiologically characterized and biocytin labeled cells.

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Staiger JF; Flagmeyer I; Schubert D; Zilles K; Kötter R; Luhmann HJ
Cereb. Cortex, 2004

Table 3

  Electrophysiological properties of layer IV RS and IB neurons in rat barrel cortex (mean ± SD; for details, see Material and Methods)

	RS cells (n = 13)	IB cells (n = 57)
V_rmp (mV)	-71 ± 1.3	-70 ± 0.5
R_in (MΩ)	146 ± 19.9	155 ± 7.8
Spike threshold (mV)	-37 ± 1.2	-39 ± 0.5
Spike amplitude (mV)	73 ± 3.6	66 ± 1.4
Spike duration (ms)	1.1 ± 0.1	1.1 ± 0.1
mAHP amplitude (mV)	-12.7 ± 0.9	-11.9 ± 0.3
sAHP amplitude (mV)	-6.6 ± 0.5	-6.6 ± 0.2
First ISI (at low current; ms)	115 ± 8.1	8.2 ± 3.1^***
Second ISI (at low current; ms)	295 ± 27.1	111 ± 10.6^***
Spiny stellate cells (n)	7	32
Star pyramidal cells (n)	5	16
Pyramidal cells (n)	1	9

Statistically significant differences obtained with pairwise comparisons (Bonferroni corrected) are indicated by ***P < 0.001.

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Inferred neuron-electrophysiology data values

Neuron Type	Neuron Description	Ephys Prop	Extracted Value	Standardized Value	Content Source
Neocortex layer 4 stellate cell	somatosensory cortex layer 4 regular spiking neurons	resting membrane potential (mV)	-71.0 ± 1.3 (13)	-71.0 (mV)	Data Table
Neocortex layer 4 stellate cell	somatosensory cortex layer 4 intrinsically bursting neurons	resting membrane potential (mV)	-70.0 ± 0.5 (57)	-70.0 (mV)	Data Table
Neocortex layer 4 stellate cell	somatosensory cortex layer 4 regular spiking neurons	input resistance (MΩ)	146.0 ± 19.9 (13)	146.0 (MΩ)	Data Table
Neocortex layer 4 stellate cell	somatosensory cortex layer 4 intrinsically bursting neurons	input resistance (MΩ)	155.0 ± 7.8 (57)	155.0 (MΩ)	Data Table
Neocortex layer 4 stellate cell	somatosensory cortex layer 4 regular spiking neurons	spike threshold (mV)	-37.0 ± 1.2 (13)	-37.0 (mV)	Data Table
Neocortex layer 4 stellate cell	somatosensory cortex layer 4 intrinsically bursting neurons	spike threshold (mV)	-39.0 ± 0.5 (57)	-39.0 (mV)	Data Table
Neocortex layer 4 stellate cell	somatosensory cortex layer 4 regular spiking neurons	spike amplitude (mV)	73.0 ± 3.6 (13)	73.0 (mV)	Data Table
Neocortex layer 4 stellate cell	somatosensory cortex layer 4 intrinsically bursting neurons	spike amplitude (mV)	66.0 ± 1.4 (57)	66.0 (mV)	Data Table
Neocortex layer 4 stellate cell	somatosensory cortex layer 4 regular spiking neurons	spike half-width (ms)	1.1 ± 0.1 (13)	1.1 (ms)	Data Table
Neocortex layer 4 stellate cell	somatosensory cortex layer 4 intrinsically bursting neurons	spike half-width (ms)	1.1 ± 0.1 (57)	1.1 (ms)	Data Table
Neocortex layer 4 stellate cell	somatosensory cortex layer 4 regular spiking neurons	medium AHP amplitude (mV)	-12.7 ± 0.9 (13)	12.7 (mV)	Data Table
Neocortex layer 4 stellate cell	somatosensory cortex layer 4 intrinsically bursting neurons	medium AHP amplitude (mV)	-11.9 ± 0.3 (57)	11.9 (mV)	Data Table
Neocortex layer 4 stellate cell	somatosensory cortex layer 4 regular spiking neurons	slow AHP amplitude (mV)	-6.6 ± 0.5 (13)	6.6 (mV)	Data Table
Neocortex layer 4 stellate cell	somatosensory cortex layer 4 intrinsically bursting neurons	slow AHP amplitude (mV)	-6.6 ± 0.2 (57)	6.6 (mV)	Data Table