AboutNeuron TypesElectrophysiology PropertiesArticlesFAQsData/APIGet Involved

Article: Electrophysiological and morphological heterogeneity of neurons in slices of rat suprachiasmatic nucleus.

Full Text (publisher's website) ; Article Metadata ; Article Data (extracted)
Pennartz CM; De Jeu MT; Geurtsen AM; Sluiter AA; Hermes ML
J. Physiol. (Lond.), 1998


Table 1

Overview of membrane properties of all SCN neurons patch clamped under visual control

Parameter Mean ±s.e.m. Range n P
Resting membrane potential (mV) −56.0 ± 0.4 −71 to −48 109 < 0.002
Input resistance (GΩ) 1.29 ± 0.05 0.3 to 2.8 109 < 0.01
Time constant (ms) 28.6 ± 1.1 8.0 to 56.5 109 < 0.0001
Action potential amplitude (mV) 74.7 ± 1.2 60 to 118 109 < 0.0001
Action potential threshold (mV) −40.6 ± 0.4 −48 to −32 105 n.s.
Action potential width (ms) 1.51 ± 0.04 0.70 to 2.7 109 n.s.
Amplitude of spike AHP (mV) −21.3 ± 0.5 −30.5 to −10.2 81 n.s.
Slope of spike AHP (mV ms−1) 0.18 ± 0.02 −0.56 to 0.57 81 n.s.
Rate of frequency adaptation (ms s−1) 51.0 ± 16.4 −9.7 to 1073 70 < 0.0001
Amplitude of spike train AHP (mV) −7.1 ± 0.5 −19.4 to 4.0 70 n.s.
Size of rebound depolarization (mV ms) 228 ± 71 −1232 to 2966 108 < 0.0001
Spontaneous firing rate (Hz) 3.02 ± 0.26 0 to 10.3 109 < 0.0001
Coefficient of variation for spike intervals 0.41 ± 0.03 0.07 to 1.38 81 < 0.0001

  • For methods of quantification, see text and Fig. 1. P values are according to the Shapiro-Wilks test for normality of distributions.


Report miscurated data

Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Suprachiasmatic nucleus neuron membrane time constant (ms) 28.6 ± 1.1 (109) 28.6 (ms) Data Table
Suprachiasmatic nucleus neuron spike amplitude from resting (mV) 74.7 ± 1.2 (109) 59.3 (mV) Data Table
Suprachiasmatic nucleus neuron resting membrane potential (mV) -56.0 ± 0.4 (109) -56.0 (mV) Data Table
Suprachiasmatic nucleus neuron spike threshold (mV) -40.6 ± 0.4 (109) -40.6 (mV) Data Table
Suprachiasmatic nucleus neuron spike half-width (ms) 1.51 ± 0.04 (109) 1.51 (ms) Data Table
Suprachiasmatic nucleus neuron AHP amplitude (mV) -21.3 ± 0.5 (109) 21.3 (mV) Data Table
Suprachiasmatic nucleus neuron spontaneous firing rate (Hz) 3.02 ± 0.26 (109) 3.02 (Hz) Data Table
Suprachiasmatic nucleus neuron input resistance (GΩ) 1.29 ± 0.05 (109) 1290.0 (MΩ) Data Table