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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 6. 

Comparison of electrophysiological properties of MCs at 34°C

Layer V (n = 25) Layer VI (n = 7)
†P < 0.05, comparison between different layers.
AP1 waveform
 AP ampl., av (mV) 54.97 ± 12.29 52.57 ± 9.22 
 AP duration, av (ms)  3.45 ± 0.83† 2.97 ± 0.24
 AP duration HW, av (ms) 1.57 ± 0.33 1.44 ± 0.36
 AP rise time, av (ms) 1.19 ± 0.22 1.11 ± 0.16
 AP fall time, av (ms)  2.26 ± 0.62† 1.86 ± 0.09
 AP rise rate (mV ms−1) 47.20 ± 11.11 48.69 ± 12.16
 AP fall rate (mV ms−1) −27.74 ± 7.13   −33.19 ± 10.31 
 AHP fast, av (mV)  7.34 ± 11.92 13.40 ± 7.28 
AP2 waveform
 AP ampl., av (mV) 52.06 ± 8.97  55.55 ± 11.13
 AP duration, av (ms) 3.72 ± 0.79 3.36 ± 0.19
 AP duration HW, av (ms) 1.75 ± 0.36 1.66 ± 0.32
 AP rise time, av (ms) 1.32 ± 0.26 1.25 ± 0.19
 AP fall time, av (ms)  2.41 ± 0.57† 2.11 ± 0.09
 AP rise rate (mV ms−1) 40.77 ± 9.35  45.98 ± 13.14
 AP fall rate (mV ms−1) −24.45 ± 5.77   −29.91 ± 8.35  
 AHP fast_av (mV) 10.84 ± 3.44  13.24 ± 5.05 
AP1/AP2 waveform
 Ch AP ampl. (%) −3.14 ± 10.69 4.80 ± 4.44
 Ch AP duration (%) 10.01 ± 4.11  11.66 ± 2.94 
 Ch AP duration HW (%) 12.42 ± 5.18  13.63 ± 4.23 
 Ch AP rise rate (%) −17.16 ± 19.69  −7.18 ± 5.64 
 Ch AP fall rate (%) −14.84 ± 16.80  −9.89 ± 6.05 
 Ch AHP fast (%) 15.13 ± 59.00 10.22 ± 40.89
IV
 Input resistance for peak (MΩ) 326.21 ± 196.53 228.68 ± 119.89
 Input resistance for SS (MΩ) 254.44 ± 166.89 171.50 ± 81.20 
 Rectification index for peak IV 21.79 ± 10.71 18.47 ± 2.27 
 Rectification index for SS IV 16.70 ± 6.26  14.31 ± 2.97 
 Maximum Sag is (mV) 4.44 ± 4.17 5.37 ± 2.78
Delta
 Delta av decay time constant (ms) 17.57 ± 9.24  34.05 ± 27.38
AP threshhold
 AP threshold (mV) −46.09 ± 5.54   −43.25 ± 1.15   
 AHP after 1st AP in the ramp 7.49 ± 3.40 11.83 ± 5.83 
sAHP
 sAHP max (mV) 2.61 ± 2.61 6.55 ± 7.15
 sAHP τ (ms) 1693.90 ± 1227.04 −
Discharge
 Slope of ID threshold 0.15 ± 0.06 0.12 ± 0.10
 Av delay to 1st spike 0.06 ± 0.03 0.05 ± 0.03
 SD for delay to 1st spike 0.05 ± 0.05 0.05 ± 0.03
 Av delay to 2nd spike 0.06 ± 0.03 0.05 ± 0.01
 SD for delay to 2nd spike 0.04 ± 0.02 0.06 ± 0.04
 Av initial burst interval 0.05 ± 0.03 0.05 ± 0.02
 SD for av initial burst interval 0.04 ± 0.03 −25.43 ± 56.99 
 Av initial accom −44.74 ± 35.67  −95.61 ± 102.10
 Av SS accom −212.19 ± 172.70  −89.00 ± 68.49 
 Rate of accom ItoSt −19.10 ± 16.58  −23.74 ± 34.75 
 Av accom at SS −30.54 ± 58.30  −5.62 ± 9.95 
 Av rate accom during SS −3.43 ± 7.22  −0.09 ± 1.84 
 Av CV discharge 3.32 ± 1.76 2.93 ± 2.15
 Av skew discharge 0.13 ± 1.45 −0.45 ± 0.67 
 Av discharge STUT 0.15 ± 0.12 12.30 ± 27.33

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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Neocortex Martinotti cell somatosensory cortex layer 5 martinotti cell spike amplitude (mV) 54.97 ± 12.29 (25) 54.97 (mV) Data Table
Neocortex Martinotti cell somatosensory cortex layer 6 martinotti cell spike amplitude (mV) 52.57 ± 9.22 (7) 52.57 (mV) Data Table
Neocortex Martinotti cell somatosensory cortex layer 5 martinotti cell spike width (ms) 3.45 ± 0.83 (25) 3.45 (ms) Data Table
Neocortex Martinotti cell somatosensory cortex layer 6 martinotti cell spike width (ms) 2.97 ± 0.24 (7) 2.97 (ms) Data Table
Neocortex Martinotti cell somatosensory cortex layer 5 martinotti cell spike half-width (ms) 1.57 ± 0.33 (25) 1.57 (ms) Data Table
Neocortex Martinotti cell somatosensory cortex layer 6 martinotti cell spike half-width (ms) 1.44 ± 0.36 (7) 1.44 (ms) Data Table
Neocortex Martinotti cell somatosensory cortex layer 5 martinotti cell spike rise time (ms) 1.19 ± 0.22 (25) 1.19 (ms) Data Table
Neocortex Martinotti cell somatosensory cortex layer 6 martinotti cell spike rise time (ms) 1.11 ± 0.16 (7) 1.11 (ms) Data Table
Neocortex Martinotti cell somatosensory cortex layer 5 martinotti cell spike decay time (ms) 2.26 ± 0.62 (25) 2.26 (ms) Data Table
Neocortex Martinotti cell somatosensory cortex layer 6 martinotti cell spike decay time (ms) 1.86 ± 0.09 (7) 1.86 (ms) Data Table
Neocortex Martinotti cell somatosensory cortex layer 5 martinotti cell spike max rise slope 47.2 ± 11.11 (25) 47.2 (mV/ms) Data Table
Neocortex Martinotti cell somatosensory cortex layer 6 martinotti cell spike max rise slope 48.69 ± 12.16 (7) 48.69 (mV/ms) Data Table
Neocortex Martinotti cell somatosensory cortex layer 5 martinotti cell spike max decay slope -27.74 ± 7.13 (25) 27.74 (mV/ms) Data Table
Neocortex Martinotti cell somatosensory cortex layer 6 martinotti cell spike max decay slope -33.19 ± 10.31 (7) 33.19 (mV/ms) Data Table
Neocortex Martinotti cell somatosensory cortex layer 5 martinotti cell fast AHP amplitude (mV) 7.34 ± 11.92 (25) 7.34 (mV) Data Table
Neocortex Martinotti cell somatosensory cortex layer 6 martinotti cell fast AHP amplitude (mV) 13.4 ± 7.28 (7) 13.4 (mV) Data Table
Neocortex Martinotti cell somatosensory cortex layer 5 martinotti cell input resistance (MΩ) 254.44 ± 166.89 (25) 254.44 (MΩ) Data Table
Neocortex Martinotti cell somatosensory cortex layer 6 martinotti cell input resistance (MΩ) 171.5 ± 81.2 (7) 171.5 (MΩ) Data Table
Neocortex Martinotti cell somatosensory cortex layer 5 martinotti cell sag amplitude (mV) 4.44 ± 4.17 (25) 4.44 (mV) Data Table
Neocortex Martinotti cell somatosensory cortex layer 6 martinotti cell sag amplitude (mV) 5.37 ± 2.78 (7) 5.37 (mV) Data Table
Neocortex Martinotti cell somatosensory cortex layer 5 martinotti cell membrane time constant (ms) 17.57 ± 9.24 (25) 17.57 (ms) Data Table
Neocortex Martinotti cell somatosensory cortex layer 6 martinotti cell membrane time constant (ms) 34.05 ± 27.38 (7) 34.05 (ms) Data Table
Neocortex Martinotti cell somatosensory cortex layer 5 martinotti cell spike threshold (mV) -46.09 ± 5.54 (25) -46.09 (mV) Data Table
Neocortex Martinotti cell somatosensory cortex layer 6 martinotti cell spike threshold (mV) -43.25 ± 1.15 (7) -43.25 (mV) Data Table
Neocortex Martinotti cell somatosensory cortex layer 5 martinotti cell slow AHP amplitude (mV) 2.61 ± 2.61 (25) 2.61 (mV) Data Table
Neocortex Martinotti cell somatosensory cortex layer 6 martinotti cell slow AHP amplitude (mV) 6.55 ± 7.15 (7) 6.55 (mV) Data Table
Neocortex Martinotti cell somatosensory cortex layer 5 martinotti cell slow AHP duration (ms) 1693.9 ± 1227.04 (25) 1693.9 (ms) Data Table