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Article: D(2)-like dopamine receptors differentially regulate unitary IPSCs depending on presynaptic GABAergic neuron subtypes in rat nucleus accumbens shell.

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Kohnomi S; Koshikawa N; Kobayashi M
J. Neurophysiol., 2012


Table 2.

Properties of unitary IPSCs from MS/FS to MS neurons

Medium Spiny Neuron n Fast-Spiking Neuron n
Connection rate to MS neuron, % 20.0 47/235 53.3††† 40/75
Latency, ms 1.2 ± 0.1 30 1.1 ± 0.2 25
Amplitude, pA 52.9 ± 10.3 30 109.4 ± 24.2* 25
Paired-pulse ratio 0.71 ± 0.04 30 0.75 ± 0.03 25
20-80% Rise time, ms 1.4 ± 0.2 30 1.1 ± 0.2 25
80-20% Decay time, ms 16.6 ± 1.0 30 16.8 ± 1.1 25
Half-duration, ms 10.6 ± 0.6 30 9.3 ± 0.5 25
τw, ms 12.9 ± 0.5 29 15.4 ± 2.0 24
  • Values are means ± SE. IPSC, inhibitory postsynaptic current. Weighted decay time constant (τw) is obtained from decay time constants of double exponential fitting curves (see materials and methods).

  • ††† P < 0.001, χ2-test;

  • * P < 0.05, Student's t-test.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source