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Article: The slow afterhyperpolarization in hippocampal CA1 neurons covaries with spatial learning ability in aged Fisher 344 rats.

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Tombaugh GC; Rowe WB; Rose GM
J. Neurosci., 2005


Table 1.

Membrane properties of CA1 neurons from young and aged rats

Spike properties
Group Vm(mV) Rin(MΩ) Threshold (MV) Half-width (mV) Amplitude (mV)
Young (n = 32) −61.6 ± 0.4 88 ± 3 −40.2 ± 0.5 1.02 ± 0.02 78 ± 1
AU (n = 48) −61.4 ± 0.3 99 ± 4 −40.0 ± 0.4 1.02 ± 0.02 76 ± 1
AI (n = 30) −61.1 ± 0.4 109 ± 4* −41.2 ± 0.4 1.02 ± 0.01 77 ± 1
  • The number of neurons examined (in parentheses) was derived from nine rats for each group. *p<0.001 compared with young rats (ANOVA with Tukey-Kramer post hoc test).


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Hippocampus CA1 pyramidal cell resting membrane potential (mV) -61.6 ± 0.4 (32) -61.6 (mV) Data Table
Hippocampus CA1 pyramidal cell input resistance (MΩ) 88.0 ± 3.0 (32) 88.0 (MΩ) Data Table
Hippocampus CA1 pyramidal cell spike threshold (MV) -40.2 ± 0.5 (32) -- Data Table
Hippocampus CA1 pyramidal cell spike half-width (mV) 1.02 ± 0.02 (32) -- Data Table
Hippocampus CA1 pyramidal cell spike amplitude (mV) 78.0 ± 1.0 (32) 78.0 (mV) Data Table