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Article: Learning-dependent plasticity of hippocampal CA1 pyramidal neuron postburst afterhyperpolarizations and increased excitability after inhibitory avoidance learning depend upon basolateral amygdala inputs.

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Farmer GE; Thompson LT
Hippocampus, 2012


Table 2. Membrane Properties of Ventral CA1 and Dorsal CA1 Pyramidal Neurons From Controls and After BLA Inactivation Following Contextual Fear Conditioning
 RatsCellsInput resistanceSagResting potentialSpike widthAP amplitude
 (n)(n)(MΩ)(mV)(mV)(mV)(mV)
  1. No differences in membrane properties of ventral CA1 and dorsal CA1 pyramidal neurons were observed between controls and after BLA inactivation following inhibitory avoidance learning. Input resistance, sag, resting potential, spike width, and action potential amplitude values represent means ± SEM.

CA1v
Control192935.5 ± 1.96.2 ± 0.4−66.8 ± 0.91.3 ± 0.0286.0 ± 1.2
Trained 1 h223741.0 ± 1.96.2 ± 0.4−65.4 ± 0.91.3 ± 0.0284.5 ± 0.8
Saline 1 h2653.4 ± 4.08.0 ± 1.4−69.6 ± 1.21.4 ± 0.0489.3 ± 0.8
Lidocaine 1 h2538.9 ± 4.78.5 ± 0.2−67.2 ± 3.51.3 ± 0.0386.7 ± 1.5
Bupivacaine 1 h1346.6 ± 13.48.2 ± 1.9−69.6 ± 1.91.3 ± 0.0388.1 ± 1.0
Context Inactivation 1 h2942.3 ± 2.67.9 ± 0.7−68.1 ± 0.31.3 ± 0.0287.2 ± 0.9
Trained 24 h51441.8 ± 1.65.7 ± 0.6−66.7 ± 1.21.4 ± 0.0284.4 ± .08
Saline 24 h3852.5 ± 2.59.5 ± 0.4−67.8 ± 1.31.5 ± 0.0583.5 ± 0.9
Lidocaine 24 h4741.8 ± 2.49.0 ± 0.6−67.4 ± 3.51.2 ± 0.0186.5 ± 0.7
Bupivacaine 24 h71740.4 ± 2.79.0 ± 0.4−67.5 ± 1.31.3 ± 0.0288.0 ± 0.8
CA1d
Control81240.9 ± 1.58.3 ± 0.5−65.6 ± 1.61.2 ± 0.0283.0 ± 2.5
Trained 1 h91537.5 ± 2.28.3 ± 0.6−65.9 ± 1.21.3 ± 0.0286.0 ± 1.0
Saline 1 h3642.6 ± 0.08.0 ± 0.7−67.7 ± 0.71.3 ± 0.0387.3 ± 1.3
Lidocaine 1 h2636.3 ± 5.16.4 ± 0.7−67.6 ± 3.11.3 ± 0.0286.7 ± 1.5
Bupivacaine 1 h1342.4 ± 0.06.6 ± 0.6−67.4 ± 2.91.3 ± 0.0185.1 ± 1.3
Trained 24 h61436.7 ± 2.89.4 ± 0.7−66.7 ± 1.01.3 ± 0.0188.2 ± 0.8
Saline 24 h51542.3 ± 2.77.9 ± 0.7−68.9 ± 1.01.3 ± 0.0185.3 ± 0.8
Lidocaine 24 h51843.5 ± 3.87.1 ± 0.4−64.2 ± 2.51.4 ± 0.0288.6 ± 0.6
Bupivacaine 24 h71839.1 ± 2.98.2 ± 0.4−69.2 ± 1.61.2 ± 0.0287.6 ± 0.5

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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 Hippocampal CA1 Ventral Pyramidal Neuron spike amplitude 86.0 ± 1.2 (29) 86.0 (mV) Data Table
Hippocampus CA1 pyramidal cell Hippocampal CA1 Ventral Pyramidal Neuron input resistance 35.5 ± 1.9 (29) 35.5 (MΩ) Data Table
Hippocampus CA1 pyramidal cell Hippocampal CA1 Ventral Pyramidal Neuron sag amplitude 6.2 ± 0.4 (29) 6.2 (mV) Data Table
Hippocampus CA1 pyramidal cell Hippocampal CA1 Ventral Pyramidal Neuron resting membrane potential -66.8 ± 0.9 (29) -66.8 (mV) Data Table
Hippocampus CA1 pyramidal cell Hippocampal CA1 Dorsal Pyramidal Neuron input resistance 40.9 ± 1.5 (12) 40.9 (MΩ) Data Table
Hippocampus CA1 pyramidal cell Hippocampal CA1 Dorsal Pyramidal Neuron sag amplitude 8.3 ± 0.5 (12) 8.3 (mV) Data Table
Hippocampus CA1 pyramidal cell Hippocampal CA1 Dorsal Pyramidal Neuron resting membrane potential -65.6 ± 1.6 (12) -65.6 (mV) Data Table
Hippocampus CA1 pyramidal cell Hippocampal CA1 Ventral Pyramidal Neuron spike half-width 1.3 ± 0.02 (29) 1.3 (ms) Data Table
Hippocampus CA1 pyramidal cell Hippocampal CA1 Dorsal Pyramidal Neuron spike half-width 1.2 ± 0.02 (12) 1.2 (ms) Data Table
Hippocampus CA1 pyramidal cell Hippocampal CA1 Dorsal Pyramidal Neuron spike amplitude 83.0 ± 2.5 (12) 83.0 (mV) Data Table