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Article: Distinct subtypes of somatostatin-containing neocortical interneurons revealed in transgenic mice.

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Ma Y; Hu H; Berrebi AS; Mathers PH; Agmon A
J. Neurosci., 2006


Table 2.

Values for 15 electrophysiological parameters analyzed for each neuron

All (n = 150) X94 (n = 58) X98 (n = 59) GIN (n = 33)
Vrest(mV)
    η2 0.05
    p value 0.0230
    10% −72.5 −73.2 −72.3 −69.8
    90% −63.9 −64.6 −63.7 −64.7
    Mean −68.3 −69.1 −68.2 −67.1
    CV 0.05 0.05 0.05 0.04
Threshold (mV)
    η2 0.02
    pvalue 0.2420
    10% −47.5 −47.4 −48.4 −47.2
    90% −38.3 −37.9 −37.4 −40.5
    Mean −43.0 −42.8 −42.6 −44.0
    CV 0.10 0.11 0.10 0.06
Spike height (mV)
    η2 0.06
    pvalue 0.0120
    10% 51.7 51.0 53.0 48.1
    90% 71.8 70.1 73.5 69.3
    Mean 60.9 60.3 63.0 58.1
    CV 0.13 0.12 0.12 0.13
Sag–V slope
    η2 0.01
    pvalue 0.5240
    10% −0.41 −0.42 −0.40 −0.38
    90% −0.19 −0.19 −0.19 −0.22
    Mean −0.30 −0.31 −0.29 −0.30
    CV 0.30 0.33 0.28 0.27
Adaptation ratio
    η2 0.04
    pvalue 0.0620
    10% 0.39 0.41 0.36 0.41
    90% 0.71 0.77 0.68 0.63
    Mean 0.54 0.57 0.51 0.54
    CV 0.23 0.25 0.23 0.18
F–I slope (Hz/pA)
    η2 0.06
    pvalue 0.0071
    10% 0.47 0.53 0.40 0.55
    90% 1.12 1.26 0.98 0.81
    Mean 0.74 0.82 0.68 0.71
    CV 0.35 0.34 0.39 0.25
Rin (MΩ)
    η2 0.55
    p value 0.0000
    10% 92 73 304 149
    90% 602 218 796 403
    Mean 316 132 514 282
    CV 0.73 0.43 0.44 0.39
τm (ms)
    η2 0.66
    pvalue 0.0000
    10% 7.2 6.0 24.1 12.5
    90% 41.4 17.3 47.2 33.9
    Mean 22.2 9.9 35.0 20.9
    CV 0.62 0.42 0.29 0.41
Rheobase (pA)
    η2 0.63
    p value 0.0000
    10% 11 77 7 13
    90% 266 331 57 90
    Mean 100 202 27 51
    CV 1.03 0.47 0.78 0.59
Rate of rise (V/s)
    η2 0.38
    pvalue 0.0000
    10% 161 217 137 181
    90% 293 307 241 295
    Mean 227 261 191 232
    CV 0.22 0.14 0.22 0.19
Rate of fall (V/s)
    η2 0.59
    pvalue 0.0000
    10% −183 −201 −122 −164
    90% −89 −130 −79 −103
    Mean −133 −166 −101 −132
    CV 0.28 0.17 0.20 0.17
Spike width (ms)
    η2 0.72
    pvalue 0.0000
    10% 0.42 0.38 0.62 0.48
    90% 0.79 0.50 0.86 0.63
    Mean 0.58 0.45 0.74 0.55
    CV 0.27 0.13 0.16 0.10
Fmax, steady-state (Hz)
    η2 0.57
    p value 0.0000
    10% 49 106 41 80
    90% 175 201 103 148
    Mean 113 152 69 120
    CV 0.44 0.26 0.33 0.26
Fmax, initial (Hz)
    η2 0.67
    pvalue 0.0000
    10% 106 201 86 180
    90% 304 343 188 265
    Mean 206 270 135 221
    CV 0.36 0.19 0.27 0.18
AHP (mV)
    η2 0.16
    pvalue 0.0000
    10% 13.7 13.2 15.8 13.9
    90% 23.3 23.0 24.1 19.8
    Mean 18.3 17.5 20.2 16.5
    CV 0.21 0.23 0.18 0.15

  • The 10th and 90th percentiles, mean, and CV are indicated for each parameter. Also indicated for each parameter are its η 2 and the p value of η 2. The nine parameters in boldface had η 2 > 0.1 and p values lower than our computational limit of p = 0.0001 (probably by several orders of magnitude). All parameters are defined in Materials and Methods.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons resting membrane potential -69.1 (58) -69.1 (mV) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons resting membrane potential -68.2 (59) -68.2 (mV) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons resting membrane potential -67.1 (33) -67.1 (mV) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons spike threshold -42.8 (58) -42.8 (mV) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons spike threshold -42.6 (59) -42.6 (mV) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons spike threshold -44.0 (33) -44.0 (mV) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons spike amplitude 60.3 (58) 60.3 (mV) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons spike amplitude 63.0 (59) 63.0 (mV) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons spike amplitude 58.1 (33) 58.1 (mV) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons adaptation ratio 0.57 (58) 0.57 (ratio) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons adaptation ratio 0.51 (59) 0.51 (ratio) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons adaptation ratio 0.54 (33) 0.54 (ratio) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons FI slope 0.82 (58) 0.82 (Hz/nA) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons FI slope 0.68 (59) 0.68 (Hz/nA) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons FI slope 0.71 (33) 0.71 (Hz/nA) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons input resistance 132.0 (58) 132.0 (MΩ) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons input resistance 514.0 (59) 514.0 (MΩ) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons input resistance 282.0 (33) 282.0 (MΩ) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons membrane time constant 9.9 (58) 9.9 (ms) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons membrane time constant 35.0 (59) 35.0 (ms) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons membrane time constant 20.9 (33) 20.9 (ms) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons rheobase 202.0 (58) 202.0 (pA) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons rheobase 27.0 (59) 27.0 (pA) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons rheobase 51.0 (33) 51.0 (pA) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons spike max rise slope 261.0 (58) 261.0 (mV/ms) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons spike max rise slope 191.0 (59) 191.0 (mV/ms) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons spike max rise slope 232.0 (33) 232.0 (mV/ms) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons spike max decay slope -166.0 (58) 166.0 (mV/ms) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons spike max decay slope -101.0 (59) 101.0 (mV/ms) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons spike max decay slope -132.0 (33) 132.0 (mV/ms) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons spike half-width 0.45 (58) 0.45 (ms) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons spike half-width 0.74 (59) 0.74 (ms) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons spike half-width 0.55 (33) 0.55 (ms) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons firing frequency 152.0 (58) 152.0 (Hz) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons firing frequency 69.0 (59) 69.0 (Hz) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons firing frequency 120.0 (33) 120.0 (Hz) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons AHP amplitude 17.5 (58) 17.5 (mV) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons AHP amplitude 20.2 (59) 20.2 (mV) Data Table
Neocortex Martinotti cell Barrel Cortex GAD67 expressing, somatostatin-containing Gabaergic interneurons AHP amplitude 16.5 (33) 16.5 (mV) Data Table