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Article: Properties of excitatory synaptic responses in fast-spiking interneurons and pyramidal cells from monkey and rat prefrontal cortex.

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Povysheva NV; Gonzalez-Burgos G; Zaitsev AV; Kröner S; Barrionuevo G; Lewis DA; Krimer LS
Cereb. Cortex, 2006


Table 3

Properties of single-axon excitatory responses in pyramidal cells and FS interneurons in the rat and monkey PFC

Pyramidal cells FS interneurons
Rat Monkey Rat Monkey
uEPSPsa
    Amplitude (mV) 0.55 ± 0.43c 0.46 ± 0.29c 1.6 ± 1.6 2.2 ± 1.1
    10-90% Rise time (ms) 3.3 ± 1.7c 3.5 ± 1.9c 1.9 ± 0.9 2.4 ± 1.6
    Decay time, τ (ms) 25 ± 7c 31 ± 9c 11 ± 4 14 ± 9
EPSPs evoked by minimal stimulationb
    Amplitude (mV) 0.56 ± 0.22c 0.60 ± 0.18c 1.32 ± 0.65 1.12 ± 0.04
    10-90% Rise time (ms) 3.1 ± 0.1c 2.7 ± 0.9c 1.6 ± 0.4 1.6 ± 0.4
    Decay time, τ (ms) 20 ± 3c 28 ± 6c 12 ± 8 11 ± 4
  • a Number of observations: pyramidal cells: rat, 14; monkey, 9; FS interneurons: rat, 6; monkey, 4.

  • b Number of observations: pyramidal cells: rat, 7; monkey, 6; FS interneurons: rat, 6; monkey, 3.

  • c Significantly different from FS interneurons within the same species (P < 0.05).


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