Table 2.

Comparison of the neurophysiological properties of CA3 pyramidal cells in experimental and control rats

ControlExperimental
n45 
Vm, mV−65  ± 4.2−66  ± 3.6
Rm, MΩ180  ± 21161  ± 14.6
Spike amp, mV73.9  ± 2.780.4  ± 3.2
Spike duration, ½ amplitude, msec1.3  ± .011.1  ± .03
Intrinsic burst duration, msec60.3  ± 1.463.2  ± 3.1
Number of spikes per burst2.5  ± 0.52.3  ± 0.3
  • n = number of cells. Data are presented as mean ± SEM. Differences between all measures made in saline-infused (control) and TTX-infused (experimental) rats were not significant (p > 0.05).