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Article: Amygdala inputs drive feedforward inhibition in the medial prefrontal cortex.

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Dilgen J; Tejeda HA; O'Donnell P
J. Neurophysiol., 2013


Table 1.

Basic electrophysiological measures of mPFC pyramidal neurons during in vivo intracellular recordings

Sprague-Dawley RatsAction Potential
Down, mVUp, mVFiring rate, HzRm, MΩ[tau], msThreshold, mVAmplitude, mVWidth, ms
All-75.6 ± 6.3-66.4 ± 7.61.6 ± 2.545.8 ± 14.08.5 ± 2.8-48.7 ± 6.260.6 ± 6.22.0 ± 0.36
PL-78.4 ± 4.1-68.7 ± 7.31.5 ± 2.244.1 ± 15.08.4 ± 3.2-49.1 ± 3.661.2 ± 7.02.2 ± 0.4
IL-68.8 ± 0.2-61.4 ± 0.70.3 ± 0.350.4 ± 12.18.3 ± 2-47.7 ± 9.960.4 ± 5.22.1 ± 0.2
Long-Evans RatsAction Potential
Down, mVUp, mVFiring rate, HzRm, MΩ[tau], msThreshold, mVAmplitude, mVWidth, ms
All-78.7 ± 7.3-70.7 ± 6.60.5 ± 1.048.9 ± 25.57.3 ± 2.9-54.4 ± 7.251.5 ± 7.22.0 ± 0.4
PL-78.2 ± 6.7-70.6 ± 5.50.5 ± 0.950.8 ± 25.67.5 ± 2.8-54.1 ± 5.452.4 ± 7.62.0 ± 0.3
IL-81.0 ± 10.3-71.0 ± 11.10.6 ± 1.243.7 ± 25.16.9 ± 3.5-56.0 ± 6.748.4 ± 4.81.9 ± 0.6

  • Data from all neurons are presented separately for prelimbic (PL; n = 15 in Sprague-Dawley rats; n = 23 in Long-Evans rats) and infralimbic (IL; n = 8 in Sprague-Dawley rats; n = 7 in Long-Evans rats) cortices in Sprague-Dawley (total n = 23) and Long-Evans (total n = 30) rats. mPFC, medial prefrontal cortex; Rm, input resistance; τ, time constant. The down-state membrane potential in PL neurons was more hyperpolarized than IL neurons in Sprague-Dawley rats. No other differences were found. Values are represented as mean ± SD.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Neocortex pyramidal cell layer 5-6 Medial Prefrontal Cortex prelimbic layers 3-5 pyramidal neuron receiving input from basolateral amygdala firing frequency (Hz) 1.5 ± 2.2 (15) 1.5 (Hz) Data Table
Neocortex pyramidal cell layer 5-6 Medial Prefrontal Cortex prelimbic layers 3-5 pyramidal neuron receiving input from basolateral amygdala input resistance (MΩ) 44.1 ± 15.0 (15) 44.1 (MΩ) Data Table
Neocortex pyramidal cell layer 5-6 Medial Prefrontal Cortex prelimbic layers 3-5 pyramidal neuron receiving input from basolateral amygdala membrane time constant (ms) 8.4 ± 3.2 (15) 8.4 (ms) Data Table
Neocortex pyramidal cell layer 5-6 Medial Prefrontal Cortex prelimbic layers 3-5 pyramidal neuron receiving input from basolateral amygdala spike threshold (mV) -49.1 ± 3.6 (15) -49.1 (mV) Data Table
Neocortex pyramidal cell layer 5-6 Medial Prefrontal Cortex prelimbic layers 3-5 pyramidal neuron receiving input from basolateral amygdala spike amplitude (mV) 61.2 ± 7.0 (15) 61.2 (mV) Data Table
Neocortex pyramidal cell layer 5-6 Medial Prefrontal Cortex prelimbic layers 3-5 pyramidal neuron receiving input from basolateral amygdala spike width (ms) 2.2 ± 0.4 (15) 2.2 (ms) Data Table
Neocortex pyramidal cell layer 5-6 Medial Prefrontal Cortex infralimbic layers 3-5 pyramidal neuron receiving input from basolateral amygdala firing frequency (Hz) 0.3 ± 0.3 (8) 0.3 (Hz) Data Table
Neocortex pyramidal cell layer 5-6 Medial Prefrontal Cortex infralimbic layers 3-5 pyramidal neuron receiving input from basolateral amygdala input resistance (MΩ) 50.4 ± 12.1 (8) 50.4 (MΩ) Data Table
Neocortex pyramidal cell layer 5-6 Medial Prefrontal Cortex infralimbic layers 3-5 pyramidal neuron receiving input from basolateral amygdala membrane time constant (ms) 8.3 ± 2.0 (8) 8.3 (ms) Data Table
Neocortex pyramidal cell layer 5-6 Medial Prefrontal Cortex infralimbic layers 3-5 pyramidal neuron receiving input from basolateral amygdala spike threshold (mV) -47.7 ± 9.9 (8) -47.7 (mV) Data Table
Neocortex pyramidal cell layer 5-6 Medial Prefrontal Cortex infralimbic layers 3-5 pyramidal neuron receiving input from basolateral amygdala spike amplitude (mV) 60.4 ± 5.2 (8) 60.4 (mV) Data Table
Neocortex pyramidal cell layer 5-6 Medial Prefrontal Cortex infralimbic layers 3-5 pyramidal neuron receiving input from basolateral amygdala spike width (ms) 2.1 ± 0.2 (8) 2.1 (ms) Data Table