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Article: Fear conditioning and extinction differentially modify the intrinsic excitability of infralimbic neurons.

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Santini E; Quirk GJ; Porter JT
J. Neurosci., 2008


Table 1.

Electrophysiological properties of IL neurons

NAIVE (n = 31) COND (n = 35) EXT (n = 43)
Vm (mV) −53 ± 0.76 −56 ± 1.00 −57 ± 0.84
Rin (MΩ) 330 ± 27 287 ± 18 305 ± 26
Rheobase (pA) 103 ± 10 105 ± 9 92 ± 6
mAHP (mV) −4.6 ± 0.38 −5.4 ± 0.39 −4.5 ± 0.27
sAHP (mV) −1.9 ± 0.26 −3.5 ± 0.33b −1.9 ± 0.24
Voltage sag (mV) 1.17 ± 0.12 1.2 ± 0.13 0.99 ± 0.07
Peak amplitude (mV)a 49 ± 0.82 47 ± 1.28 48 ± 0.66
Half width (ms)a 1.1 ± 0.03 1.0 ± 0.03 1.0 ± 0.02
Threshold (mV)a −38 ± 0.79 −36 ± 0.99 −38 ± 0.62

  • ↵aFirst spike from the trace that showed the maximum number of evoked spikes.

  • ↵bThe average data in the group is significantly different from NAIVE controls (p < 0.05).


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Neocortex uncharacterized cell Layer 2-3 and 5 medial prefrontal cortex prelimibic and infralimbic pyramidal neurons rheobase (pA) 103.0 ± 10.0 (31) 103.0 (pA) Data Table
Neocortex uncharacterized cell Layer 2-3 and 5 medial prefrontal cortex prelimibic and infralimbic pyramidal neurons medium AHP amplitude (mV) -4.6 ± 0.38 (31) 4.6 (mV) Data Table
Neocortex uncharacterized cell Layer 2-3 and 5 medial prefrontal cortex prelimibic and infralimbic pyramidal neurons slow AHP amplitude (mV) -1.9 ± 0.26 (31) 1.9 (mV) Data Table
Neocortex uncharacterized cell Layer 2-3 and 5 medial prefrontal cortex prelimibic and infralimbic pyramidal neurons resting membrane potential (mV) -53.0 ± 0.76 (31) -53.0 (mV) Data Table
Neocortex uncharacterized cell Layer 2-3 and 5 medial prefrontal cortex prelimibic and infralimbic pyramidal neurons sag amplitude (mV) 1.17 ± 0.12 (31) 1.17 (mV) Data Table
Neocortex uncharacterized cell Layer 2-3 and 5 medial prefrontal cortex prelimibic and infralimbic pyramidal neurons spike peak (mV) 49.0 ± 0.82 (31) 49.0 (mV) Data Table
Neocortex uncharacterized cell Layer 2-3 and 5 medial prefrontal cortex prelimibic and infralimbic pyramidal neurons spike half-width (ms) 1.1 ± 0.03 (31) 1.1 (ms) Data Table
Neocortex uncharacterized cell Layer 2-3 and 5 medial prefrontal cortex prelimibic and infralimbic pyramidal neurons spike threshold (mV) -38.0 ± 0.79 (31) -38.0 (mV) Data Table
Neocortex uncharacterized cell Layer 2-3 and 5 medial prefrontal cortex prelimibic and infralimbic pyramidal neurons input resistance (MΩ) 330.0 ± 27.0 (31) 330.0 (MΩ) Data Table