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Article: Short-term modulation at synapses between neurons in laminae II-V of the rodent spinal dorsal horn.

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Zhang W; Schneider SP
J. Neurophysiol., 2011


Table 1.

Properties of unitary postsynaptic potentials evoked between neurons in Rexed's LII–V of the hamster spinal cord

EPSPs IPSPs
Means ± SD n Means ± SD n
Latency, ms 1.3 ± 1.7 18 1.3 ± 0.7 33
Amplitude, mV 2.5 ± 2.2 18 −1.7 ± 1.4 32
Rise time, ms 5 ± 4 17 10 ± 7* 32
Decay time constant, ms 147 ± 417 17 165 ± 288 21
Failure, % 8 ± 13 19 28 ± 21* 34

  • n, No. of measurements. The average resting potential of postsynaptic neurons was −50 ± 7 (n = 52). LII–V, laminae II–V; EPSPs, excitatory postsynaptic potentials; IPSPs, inhibitory postsynaptic potentials.

  • ↵* Significantly different from EPSPs (P < 0.0001).


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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 spike rise time (ms) 5.0 ± 4.0 -- Data Table
Neocortex pyramidal cell layer 5-6 membrane time constant (ms) 147.0 ± 417.0 -- Data Table
Neocortex pyramidal cell layer 5-6 spike amplitude (mV) 2.5 ± 2.2 -- Data Table