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. Author manuscript; available in PMC: 2013 Nov 21.
Published in final edited form as: Neuron. 2012 Nov 21;76(4):776–789. doi: 10.1016/j.neuron.2012.09.036

TABLE 1.

Properties of hippocampal pyramidal cells

Electrophysiology
Reg. spiking Bursting p value
RN (MΩ) 55.0 ± 3.1 33.7 ± 2.0 < 0.001
Sag ratio 0.84 ± 0.02 0.74 ± 0.02 < 0.001
Subthreshold dV/dt (mV/mS) 2.61 ± 0.53 4.39 ± 0.49 < 0.001
ADP amplitude (mV) 17.9 ± 1.3 22.2 ± 0.9 < 0.001
2nd spike threshold (mV) −40.8 ± 0.7 −45.1 ± 0.9 < 0.001
Max 2nd falling dV/dt (mV/ms) −56 ± 3 −65 ± 3 < 0.01
Max 2nd rising dV/dt (mV/ms) 240 ± 24 272 ± 22 < 0.05
1st spike FWHM (ms) 0.87 ± 0.01 0.82 ± 0.02 < 0.05
Resting membrane potential (mV) −65.8 ± 0.7 −66.2 ± 0.4 n.s.
1st spike threshold (mV) −53.1 ± 1.0 −52.4 ± 0.6 n.s.
Max 1st spike rising dV/dt (mV/ms) 460 ± 21 488 ± 21 n.s.
Max 1st spike falling dV/dt (mV/ms) −106 ± 4 −113 ± 5 n.s.
2nd spike FWHM (ms) 1.18 ± 0.03 1.14 ± 0.04 n.s.
1st spike height (mV) 92.0 ± 1.5 90.3 ± 1.6 n.s.
2nd spike height (mV) 71.3 ± 3.0 70.0 ± 2.3 n.s.
AHP amplitude (mV) −1.29 ± 0.25 −1.39 ± 0.31 n.s.
Morphology
Reg. spiking Bursting p value
Total tuft dendrite length (mm) 1.39 ± 0.02 1.49 ± 0.03 < 0.01
Total basal dendrite length (mm) 3.89 ± 0.26 3.08 ± 0.17 < 0.01
Basal branching order 4.40 ± 0.26 3.29 ± 0.23 < 0.01
Distance to main bifurcation (µm) 193.8 ± 19.3 264.4 ± 22.8 < 0.05
Basal branch points 50.1 ± 3.8 40.9 ± 3.1 < 0.05
Tuft branch points 33.7 ± 2.8 41.6 ± 3.3 < 0.05
Apical branching order 4.91 ± 0.72 7.93 ± 1.48 < 0.05
Proximal apical dendrite length (mm) 1.76 ± 0.21 1.35 ± 0.14 n.s.
Middle apical dendrite length (mm) 1.67 ± 0.28 1.48 ± 0.16 n.s.
Proximal apical branching order 5.53 ± 0.47 4.98 ± 0.36 n.s.
Middle apical branching order 4.81 ± 0.32 4.16 ± 0.40 n.s.
Proximal apical branch points 25.0 ± 3.4 28.0 ± 2.6 n.s.
Middle apical branch points 33.7 ± 1.9 34.6 ± 3.2 n.s.
Basal branches off soma 3.90 ± 0.47 3.65 ± 0.39 n.s.

Mean ± S.E.M. for all values. Electrophysiology, n = 268; Morphology, n = 110