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Article: Two distinct types of inhibition mediated by cartwheel cells in the dorsal cochlear nucleus.

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Mancilla JG; Manis PB
J. Neurophysiol., 2009


TABLE 1.

Intrinsic electrophysiological properties of PCs and CWCs

PC n CWC n
Rin, MΩ 64 ± 21* 38 187 ± 78 64
τm 21 ± 8* 38 17 ± 7 64
AP Threshold, mV −50 ± 9 38 −50 ± 9 64
AP Amplitude, mV 76 ± 9* 38 55 ± 12 64
AP HW, ms 0.7 ± 0.1* 38 1.1 ± 0.4 64
AP TTP, ms 0.7 ± 0.4 38 0.8 ± 0.4 64
AHP Depth, mV 13 ± 2* 38 8 ± 7 64

  • Intrinsic electrophysiological properties of PCs and CWCs reported as means ± SD. Input resistance (Rin), membrane time constant (τm), action potential threshold, action potential amplitude, action potential half-width (AP HW), action potential time to peak (AP TTP) and action potential afterhyperpolarization depth (AHP Depth). The AP threshold and time to peak of pyramidal cells (PCs) were not significantly different from those of cartwheel cells (CWCs) (P > 0.01). Significantly different parameters are marked with an asterisk.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Cochlear nucleus (dorsal) pyramidal neuron spike threshold (mV) -50.0 ± 9.0 (38) -50.0 (mV) Data Table
Cochlear nucleus (dorsal) cartwheel cell spike threshold (mV) -50.0 ± 9.0 (64) -50.0 (mV) Data Table
Cochlear nucleus (dorsal) pyramidal neuron spike amplitude (mV) 76.0 ± 9.0 (38) 76.0 (mV) Data Table
Cochlear nucleus (dorsal) cartwheel cell spike amplitude (mV) 55.0 ± 12.0 (64) 55.0 (mV) Data Table
Cochlear nucleus (dorsal) pyramidal neuron input resistance (MΩ) 64.0 ± 21.0 (38) 64.0 (MΩ) Data Table
Cochlear nucleus (dorsal) pyramidal neuron spike half-width (ms) 0.7 ± 0.1 (38) 0.7 (ms) Data Table
Cochlear nucleus (dorsal) cartwheel cell spike half-width (ms) 1.1 ± 0.4 (64) 1.1 (ms) Data Table
Cochlear nucleus (dorsal) pyramidal neuron spike rise time (ms) 0.7 ± 0.4 (38) 0.7 (ms) Data Table
Cochlear nucleus (dorsal) cartwheel cell spike rise time (ms) 0.8 ± 0.4 (64) 0.8 (ms) Data Table
Cochlear nucleus (dorsal) pyramidal neuron AHP amplitude (mV) 13.0 ± 2.0 (38) 13.0 (mV) Data Table
Cochlear nucleus (dorsal) cartwheel cell AHP amplitude (mV) 8.0 ± 7.0 (64) 8.0 (mV) Data Table
Cochlear nucleus (dorsal) cartwheel cell input resistance (MΩ) 187.0 ± 78.0 (64) 187.0 (MΩ) Data Table
Cochlear nucleus (dorsal) pyramidal neuron membrane time constant 21.0 ± 8.0 (38) 21.0 (ms) Data Table
Cochlear nucleus (dorsal) cartwheel cell membrane time constant 17.0 ± 7.0 (64) 17.0 (ms) Data Table