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Article: Voltage-gated currents distinguish parvocellular from magnocellular neurones in the rat hypothalamic paraventricular nucleus.

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Luther JA; Tasker JG
J. Physiol. (Lond.), 2000


Table 1

Properties of action potentials of PVN neurones

Cell type n AP threshold (mV) AP amplitude (mV) AP rise (ms) AP decay (ms) AP half-amp duration (ms) HAP amplitude (mV) AP frequency (Hz)
Type I 44 −41.9 ± 0.7 0.2 ± 1.6 0.8 ± 0.0 1.5 ± 0.1 1.6 ± 0.1 −20.1 ± 0.7 20.0 ± 0.9
Type II 17 −42.3 ± 0.8 4.9 ± 2.0 0.7 ± 0.1 1.0 ± 0.1** 1.3 ± 0.1* −24.5 ± 1.6 15.8 ± 2.0 *
  • Abbreviations: AP, action potential; rise, 10–90% rise time; decay, 10–90% decay time; half-amp duration, half-amplitude duration; HAP, hyperpolarizing afterpotential. Values are means ± s.e.m. Differences are significant at:

  • * P < 0.05

  • ** P < 0.01, Mann-Whitney rank sum test

  • P < 0.01, Student's unpaired t test.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Paraventricular hypothalamic nucleus neurons Paraventricular hypothalamic nucleus parvocellular low-threshold spiking cells spike threshold (mV) -42.3 ± 0.8 (17) -42.3 (mV) Data Table
Paraventricular hypothalamic nucleus neurons Paraventricular hypothalamic nucleus parvocellular low-threshold spiking cells spike amplitude (mV) 4.9 ± 2.0 (17) -- Data Table
Paraventricular hypothalamic nucleus neurons Paraventricular hypothalamic nucleus parvocellular low-threshold spiking cells spike rise time (ms) 0.7 ± 0.1 (17) 0.7 (ms) Data Table
Paraventricular hypothalamic nucleus neurons Paraventricular hypothalamic nucleus parvocellular low-threshold spiking cells spike decay time (ms) 1.0 ± 0.1 (17) 1.0 (ms) Data Table
Paraventricular hypothalamic nucleus neurons Paraventricular hypothalamic nucleus parvocellular low-threshold spiking cells spike half-width (ms) 1.3 ± 0.1 (17) 1.3 (ms) Data Table
Paraventricular hypothalamic nucleus neurons Paraventricular hypothalamic nucleus parvocellular low-threshold spiking cells AHP amplitude (mV) -24.5 ± 1.6 (17) 24.5 (mV) Data Table
Paraventricular hypothalamic nucleus neurons Paraventricular hypothalamic nucleus parvocellular low-threshold spiking cells firing frequency (Hz) 15.8 ± 2.0 (17) 15.8 (Hz) Data Table
Paraventricular hypothalamic nucleus neurons Paraventricular hypothalamic nucleus magnocellular cells spike threshold (mV) -41.9 ± 0.7 (44) -41.9 (mV) Data Table
Paraventricular hypothalamic nucleus neurons Paraventricular hypothalamic nucleus magnocellular cells spike amplitude (mV) 0.2 ± 1.6 (44) -- Data Table
Paraventricular hypothalamic nucleus neurons Paraventricular hypothalamic nucleus magnocellular cells spike rise time (ms) 0.8 (44) 0.8 (ms) Data Table
Paraventricular hypothalamic nucleus neurons Paraventricular hypothalamic nucleus magnocellular cells spike decay time (ms) 1.5 ± 0.1 (44) 1.5 (ms) Data Table
Paraventricular hypothalamic nucleus neurons Paraventricular hypothalamic nucleus magnocellular cells spike half-width (ms) 1.6 ± 0.1 (44) 1.6 (ms) Data Table
Paraventricular hypothalamic nucleus neurons Paraventricular hypothalamic nucleus magnocellular cells AHP amplitude (mV) -20.1 ± 0.7 (44) 20.1 (mV) Data Table
Paraventricular hypothalamic nucleus neurons Paraventricular hypothalamic nucleus magnocellular cells firing frequency (Hz) 20.0 ± 0.9 (44) 20.0 (Hz) Data Table