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Article: Functional properties and projections of neurons in the medial amygdala.

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Keshavarzi S; Sullivan RK; Ianno DJ; Sah P
J. Neurosci., 2014


Table 1.

Electrophysiological properties of GABAergic and non-GABAergic MePV cellsa

Non-GABAergic (n = 79) GABAergic (n = 75) p
Vrest (mV) -68 ± 1 -65 ± 1 <0.001
Rin (MΩ) 234 ± 8 242 ± 10 NS
τm (ms) 20 ± 1 14 ± 1 <0.0001
sag ratio 1 ± 0.003 0.9 ± 0.005 <0.0001
Rheobase (pA) 90 ± 4 101 ± 6 NS
AP threshold (mV) -32 ± 0.5 -35 ± 1 <0.01
AP latency (ms) 116 ± 15 134 ± 18 NS
AP amplitude (mV) 76 ± 1 69 ± 1 <0.001
AP HW (ms) 0.7 ± 0.01 0.6 ± 0.01 <0.01
fAHP amp (mV) 20 ± 0.4 20 ± 0.5 NS
fAHP latency (ms) 2.2 ± 0.1 1.9 ± 0.1 <0.01
mAHP amp (mV) 18 ± 0.4 16 ± 1 <0.05
mAHP latency (ms) 21 ± 1 14 ± 1 <0.0001
AP broadening 0.2 ± 0.02 0.3 ± 0.03 <0.05
AP amplitude accommodation 0.1 ± 0.01 0.2 ± 0.02 <0.01
Firing frequency accommodation 4 ± 0.4 1 ± 0.2 <0.0001
Maximal firing frequency (Hz) 50 ± 2 70 ± 4 <0.0001
  • aData are mean ± SEM. Definition of electrophysiological properties is explained in Materials and Methods. Unpaired Student's t test was used for statistical comparison. Statistical significance was defined as p < 0.05. n, number of cells; NS, Not significant.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons membrane time constant (ms) 20.0 ± 1.0 (79) 20.0 (ms) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons membrane time constant (ms) 14.0 ± 1.0 (75) 14.0 (ms) Data Table
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons sag ratio 1.0 ± 0.003 (79) 1.0 (ratio) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons sag ratio 0.9 ± 0.005 (75) 0.9 (ratio) Data Table
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons rheobase (pA) 90.0 ± 4.0 (79) 90.0 (pA) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons rheobase (pA) 101.0 ± 6.0 (75) 101.0 (pA) Data Table
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons resting membrane potential (mV) -68.0 ± 1.0 (79) -68.0 (mV) Data Table
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons spike threshold (mV) -32.0 ± 0.5 (79) -32.0 (mV) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons spike threshold (mV) -35.0 ± 1.0 (75) -35.0 (mV) Data Table
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons first spike latency (ms) 116.0 ± 15.0 (79) 116.0 (ms) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons first spike latency (ms) 134.0 ± 18.0 (75) 134.0 (ms) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons resting membrane potential (mV) -65.0 ± 1.0 (75) -65.0 (mV) Data Table
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons spike amplitude (mV) 76.0 ± 1.0 (79) 76.0 (mV) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons spike amplitude (mV) 69.0 ± 1.0 (75) 69.0 (mV) Data Table
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons spike half-width (ms) 0.7 ± 0.01 (79) 0.7 (ms) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons spike half-width (ms) 0.6 ± 0.01 (75) 0.6 (ms) Data Table
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons fast AHP amplitude (mV) 20.0 ± 0.4 (79) 20.0 (mV) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons fast AHP amplitude (mV) 20.0 ± 0.5 (75) 20.0 (mV) Data Table
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons fast AHP duration (ms) 2.2 ± 0.1 (79) 2.2 (ms) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons fast AHP duration (ms) 1.9 ± 0.1 (75) 1.9 (ms) Data Table
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons medium AHP amplitude (mV) 18.0 ± 0.4 (79) 18.0 (mV) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons medium AHP amplitude (mV) 16.0 ± 1.0 (75) 16.0 (mV) Data Table
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons medium AHP duration (ms) 21.0 ± 1.0 (79) 21.0 (ms) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons medium AHP duration (ms) 14.0 ± 1.0 (75) 14.0 (ms) Data Table
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons other 0.1 ± 0.01 (79) 0.1 (None) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons other 0.2 ± 0.02 (75) 0.2 (None) Data Table
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons input resistance (MΩ) 234.0 ± 8.0 (79) 234.0 (MΩ) Data Table
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons adaptation ratio (other) 4.0 ± 0.4 (79) 4.0 (None) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons adaptation ratio (other) 1.0 ± 0.2 (75) 1.0 (None) Data Table
Other Medial amygdala posteroventral division GFP negative non-GABAergic neurons maximum firing rate (Hz) 50.0 ± 2.0 (79) 50.0 (Hz) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons maximum firing rate (Hz) 70.0 ± 4.0 (75) 70.0 (Hz) Data Table
Other Medial amygdala posteroventral division GFP positive GABAergic neurons input resistance (MΩ) 242.0 ± 10.0 (75) 242.0 (MΩ) Data Table