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Article: Focal cortical infarcts alter intrinsic excitability and synaptic excitation in the reticular thalamic nucleus.

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Paz JT; Christian CA; Parada I; Prince DA; Huguenard JR
J. Neurosci., 2010


Table 2.

Comparison of electrical membrane properties of injured and control nRT neurons

Vm (mV) AP ampl. (mV) AP duration (ms) AP threshold (mV) AHP ampl. (mV) F–I slope (Hz/pA) Rheobase (pA)
Control −69.2 ± 5.2 60.9 ± 2.5 1.6 ± 0.1 −57.8 ± 1.2 16.8 ± 0.95 0.31 ± 0.04 34.3 ± 2.5
Injured −66.5 ± 6.2 65.5 ± 2.2 1.5 ± 0.2 −55.4 ± 0.9 18.9 ± 1.04 0.21 ± 0.01 63.3 ± 10.1
ANOVA ns ns ns ns ns p < 0.05 p < 0.001
  • The membrane resting potential (V m) and AP properties were calculated from 26 injured and 33 control nRT cells and were similar in both groups. F–I curve slope and rheobase were calculated from 24 injured and 30 control cells and were both significantly altered in the injured nRT cells compared with the control cells. All values are expressed as means ± SEM. AHP, Afterhyperpolarization; ampl., amplitude.

  • ns, Not significant (p > 0.05).


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Thalamic reticular nucleus cell resting membrane potential (mV) -69.2 ± 5.2 (30) -69.2 (mV) Data Table
Thalamic reticular nucleus cell spike amplitude (mV) 60.9 ± 2.5 (30) 60.9 (mV) Data Table
Thalamic reticular nucleus cell spike width (ms) 1.6 ± 0.1 (30) 1.6 (ms) Data Table
Thalamic reticular nucleus cell spike threshold (mV) -57.8 ± 1.2 (30) -57.8 (mV) Data Table
Thalamic reticular nucleus cell AHP amplitude (mV) 16.8 ± 0.95 (30) 16.8 (mV) Data Table
Thalamic reticular nucleus cell FI slope (Hz/pA) 0.31 ± 0.04 (30) 310.0 (Hz/nA) Data Table
Thalamic reticular nucleus cell rheobase (pA) 34.3 ± 2.5 (30) 34.3 (pA) Data Table