Article: Wide-ranging frequency preferences of auditory midbrain neurons: Roles of membrane time constant and synaptic properties.

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Yang S; Lin W; Feng AS
Eur. J. Neurosci., 2009

Table 1. Biophysical and membrane characteristics of major cell types in the TS
Membrane properties	Onset-like (n = 28)	Adapting (n = 101)	S-regular (n = 91)	Delayed
Values shown are means ± SD of various measures. Superscripts with the same letters (a, b or c) show means that are not significantly different at the 0.05 level (Tukey multiple comparison ANOVA test); tests yielding significant differences in the means have different superscripts. TS, torus semicircularis; RMP, resting membrane potential. *Measurement with cell’s first spike at near threshold level. n = number of cells studied.
RMP (mV)	−70 ± 4^a	−68 ± 5^a	−66 ± 5^a	−72 ± 6^a
Input resistance (MΩ)	57 ± 33^a	558 ± 379^b	1494 ± 886^c	849 ± 285^b,c
Time constant (ms)	1.9 ± 1.4^a	27 ± 20^b	92 ± 48^c	61 ± 22^b,c
First-spike amplitude (mV)*	63 ± 10^a	61 ± 10^a	65 ± 11^a	56 ± 8^a
Spike half-width (ms)*	0.6 ± 0.1^a	1.4 ± 0.5^b	2.3 ± 1.1^c	2.0 ± 1.2^b,c

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Inferred neuron-electrophysiology data values

Neuron Type	Neuron Description	Ephys Prop	Extracted Value	Standardized Value	Content Source
Inferior colliculus neuron	torus semicircularis sustained-regular firing neuron	input resistance (MΩ)	1494.0 ± 886.0 (91)	1494.0 (MΩ)	Data Table
Inferior colliculus neuron	torus semicircularis delayed firing neuron	input resistance (MΩ)	849.0 ± 285.0 (13)	849.0 (MΩ)	Data Table
Inferior colliculus neuron	torus semicircularis onset-like neuron	membrane time constant (ms)	1.9 ± 1.4 (28)	1.9 (ms)	Data Table
Inferior colliculus neuron	torus semicircularis adapting neuron	membrane time constant (ms)	27.0 ± 20.0 (101)	27.0 (ms)	Data Table
Inferior colliculus neuron	torus semicircularis sustained-regular firing neuron	membrane time constant (ms)	92.0 ± 48.0 (91)	92.0 (ms)	Data Table
Inferior colliculus neuron	torus semicircularis delayed firing neuron	membrane time constant (ms)	61.0 ± 22.0 (13)	61.0 (ms)	Data Table
Inferior colliculus neuron	torus semicircularis onset-like neuron	spike amplitude from trough (mV)	63.0 ± 10.0 (28)	63.0 (mV)	Data Table
Inferior colliculus neuron	torus semicircularis adapting neuron	spike amplitude from trough (mV)	61.0 ± 10.0 (101)	61.0 (mV)	Data Table
Inferior colliculus neuron	torus semicircularis sustained-regular firing neuron	spike amplitude from trough (mV)	65.0 ± 11.0 (91)	65.0 (mV)	Data Table
Inferior colliculus neuron	torus semicircularis delayed firing neuron	spike amplitude from trough (mV)	56.0 ± 8.0 (13)	56.0 (mV)	Data Table
Inferior colliculus neuron	torus semicircularis onset-like neuron	spike half-width (ms)	0.6 ± 0.1 (28)	0.6 (ms)	Data Table
Inferior colliculus neuron	torus semicircularis adapting neuron	spike half-width (ms)	1.4 ± 0.5 (101)	1.4 (ms)	Data Table
Inferior colliculus neuron	torus semicircularis sustained-regular firing neuron	spike half-width (ms)	2.3 ± 1.1 (91)	2.3 (ms)	Data Table
Inferior colliculus neuron	torus semicircularis delayed firing neuron	spike half-width (ms)	2.0 ± 1.2 (13)	2.0 (ms)	Data Table
Inferior colliculus neuron	torus semicircularis onset-like neuron	resting membrane potential (mV)	-70.0 ± 4.0 (28)	-70.0 (mV)	Data Table
Inferior colliculus neuron	torus semicircularis adapting neuron	resting membrane potential (mV)	-68.0 ± 5.0 (101)	-68.0 (mV)	Data Table
Inferior colliculus neuron	torus semicircularis sustained-regular firing neuron	resting membrane potential (mV)	-66.0 ± 5.0 (91)	-66.0 (mV)	Data Table
Inferior colliculus neuron	torus semicircularis delayed firing neuron	resting membrane potential (mV)	-72.0 ± 6.0 (13)	-72.0 (mV)	Data Table
Inferior colliculus neuron	torus semicircularis onset-like neuron	input resistance (MΩ)	57.0 ± 33.0 (28)	57.0 (MΩ)	Data Table
Inferior colliculus neuron	torus semicircularis adapting neuron	input resistance (MΩ)	558.0 ± 379.0 (101)	558.0 (MΩ)	Data Table