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Article: Rhythmic episodes of subthreshold membrane potential oscillations in the rat inferior olive nuclei in vivo.

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Chorev E; Yarom Y; Lampl I
J. Neurosci., 2007


Table 1.

Summary of properties and experimental results

Analysis n Value
Resting potential 32 −62 ± 10 mV
Rina 5 42 ± 8 MΩ
High-threshold Ca2+ spike amplitude 32 69 ± 8 mV
High-threshold Ca2+ spike duration 32 3.7 ± 4 ms
Low-threshold Ca2+ spike amplitudeb 5 67 ± 4 mV
Low-threshold Ca2+ spike durationb 5 0.5 ± 0.08 ms
Spontaneous firing rate 32 2.08 ± 1.64 Hz
Peak of population ISI 32 95 ± 45 ms
Mean slow frequency (subthreshold) 32 0.83 ± 1.55 Hz
Mean high frequency (subthreshold) 32 8.3 ± 2.4 Hz
Percentage of cells with slow rhythmicity (suprathreshold)c 27 63%
Mean slow frequency (suprathreshold)c 17 0.65 ± 0.36 Hz
Percentage of cells with fast rhythmicity (suprathreshold)c 27 30%
Mean fast frequency (suprathreshold)c 9 9 ± 1.7 Hz
Mean oscillations frequency during epochs 32 10.14 ± 2.00 Hz
Mean oscillatory epoch duration 32 0.9 ± 0.14 s
Percentage of IPIs that differ in <0.2 cycles from the typical IPI 32 41 ± 14%

  • ↵aSystematic I–V curves were performed only on five cells and only those were used for measuring Rin.

  • ↵bOnly in five neurons did we have a prolonged recording of hyperpolarized membrane potential together with positive current injections.

  • ↵cIn the suprathreshold rhythmicity analysis, only cells with a firing rate >0.3 Hz were included. Of these, 17 cells showed the slow rhythm and nine showed the fast rhythm.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Inferior olive neuron spontaneous firing rate 2.08 ± 1.64 (32) 2.08 (Hz) Data Table
Inferior olive neuron resting membrane potential -62.0 ± 10.0 (32) -62.0 (mV) Data Table
Inferior olive neuron input resistance 42.0 ± 8.0 (32) 42.0 (MΩ) Data Table