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Article: VPM and PoM nuclei of the rat somatosensory thalamus: intrinsic neuronal properties and corticothalamic feedback.

Full Text (publisher's website) ; Article Metadata ; Article Data (extracted)
Landisman CE; Connors BW
Cereb. Cortex, 2007


Table 1

Intrinsic membrane properties of VPM and PoM neurons

VPM PoM
Resting membrane potential (mV) -59 ± 4 (n = 40) -58 ± 5 (n = 44)
Input resistance (MΩ) 119 ± 35 (n = 40) 112 ± 45 (n = 44)
Action potential half width (ms) 1.06 ± 0.29 (n = 12) 1.19 ± 0.41 (n = 15)
Spikes per burst 5.3 ± 1.4 (n = 41) 4.4 ± 1.8 (n = 23)
Firing frequency during a burst (Hz) 348.5 ± 81.3* (n = 41) 231.7 ± 68.4* (n = 23)
Spike frequency adaptation ratio from burst firing 11.9 ± 5.7 (n = 12) 16.8 ± 8.4 (n = 7)
Spike frequency adaptation ratio from tonic firing 2.0 ± 0.9 (n = 13) 2.8 ± 2.7 (n = 10)

  • Note: All data are listed as mean ± SD. n = number of cells. All statistical values determined using unpaired, 2-tailed t-tests.

  • ↵* P ≪ 0.0001.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Thalamus relay cell thalamus ventroposteromedial nucleus neurons receiving inputs from cortex layer 6 spike half-width (ms) 1.06 ± 0.29 (12) 1.06 (ms) Data Table
Thalamus relay cell thalamus medial portion of the posterior complex nucleus neurons receiving inputs from cortex layer 6 spike half-width (ms) 1.19 ± 0.41 (15) 1.19 (ms) Data Table
Thalamus relay cell thalamus ventroposteromedial nucleus neurons receiving inputs from cortex layer 6 firing frequency (Hz) 348.5 ± 81.3 (41) 348.5 (Hz) Data Table
Thalamus relay cell thalamus medial portion of the posterior complex nucleus neurons receiving inputs from cortex layer 6 firing frequency (Hz) 231.7 ± 68.4 (23) 231.7 (Hz) Data Table
Thalamus relay cell thalamus ventroposteromedial nucleus neurons receiving inputs from cortex layer 6 adaptation ratio (last/first ISI) 11.9 ± 5.7 (12) 11.9 (ratio) Data Table
Thalamus relay cell thalamus medial portion of the posterior complex nucleus neurons receiving inputs from cortex layer 6 adaptation ratio (last/first ISI) 16.8 ± 8.4 (7) 16.8 (ratio) Data Table
Thalamus relay cell thalamus ventroposteromedial nucleus neurons receiving inputs from cortex layer 6 adaptation ratio (last/first ISI) 2.0 ± 0.9 (13) 2.0 (ratio) Data Table
Thalamus relay cell thalamus medial portion of the posterior complex nucleus neurons receiving inputs from cortex layer 6 adaptation ratio (last/first ISI) 2.8 ± 2.7 (10) 2.8 (ratio) Data Table
Thalamus relay cell thalamus ventroposteromedial nucleus neurons receiving inputs from cortex layer 6 resting membrane potential (mV) -59.0 ± 4.0 (40) -59.0 (mV) Data Table
Thalamus relay cell thalamus medial portion of the posterior complex nucleus neurons receiving inputs from cortex layer 6 resting membrane potential (mV) -58.0 ± 5.0 (44) -58.0 (mV) Data Table
Thalamus relay cell thalamus ventroposteromedial nucleus neurons receiving inputs from cortex layer 6 input resistance (MΩ) 119.0 ± 35.0 (40) 119.0 (MΩ) Data Table
Thalamus relay cell thalamus medial portion of the posterior complex nucleus neurons receiving inputs from cortex layer 6 input resistance (MΩ) 112.0 ± 45.0 (44) 112.0 (MΩ) Data Table