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Article: Dendritic patch-clamp recordings from cerebellar granule cells demonstrate electrotonic compactness.

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Delvendahl I; Straub I; Hallermann S
Front Cell Neurosci, 2015


Parameters of GCs.

Parameter Value Method
Somatic Rin at –95 mV (MΩ) 492 ± 37 (n = 14) patch-clamp recording
Dendritic Rin at –95 mV (MΩ) 578 ± 65 (n = 11) patch-clamp recording
Somatic Rin at –62 mV (MΩ) 1182 ± 150 (n = 9) patch-clamp recording
Dendritic Rin at –62 mV (MΩ) 1273 ± 189 (n = 8) patch-clamp recording
Soma diameter (µm) 5.9 ± 0.3 (n = 11) two-photon imaging
Dendrite length (µm) 20.7 ± 2.9 (n = 11) two-photon imaging
Dendrite diameter (µm) 0.69 ± 0.3 (n = 10) two-photon imaging
Dendrite diameter (µm) 0.52 (0.40–1.02) Figure 3C
Rm (kΩcm2) 1.42 (1.25–2.12) Figure 3C
ρ 1.23 (0.93–2.43) Figure 3C
L 0.15 (0.09–0.19) Figure 3C

Summary of determined GC parameters (mean ± SEM, or mean with 16–84% confidence interval in brackets). The input resistance (Rin) was obtained with somatic or direct dendritic patch-clamp recordings. The diameter of the soma and the length of the dendrites were measured from stacks of two-photon images. The diameter of the dendrites, the specific membrane resistance (Rm), the dendrite-to-soma conductance ratio (ρ) and the electrotonic length of the dendrites (L) were determined in Figure 3C.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Cerebellum granule cell cell diameter 5.9 ± 0.3 (11) 5.9 (um) Data Table
Cerebellum granule cell input resistance (MΩ) 492.0 ± 37.0 (14) 492.0 (MΩ) Data Table
Cerebellum granule cell input resistance (MΩ) 1182.0 ± 150.0 (9) 1182.0 (MΩ) Data Table