Table 1.

Effects of perfusion with low-Ca2+ ACSF on the main electrophysiological parameters of IB neurons

ControlLow Ca2+
AP
 Slope, V/s318.4  ±  28.3315.3  ±  22.3*
 Amplitude, mV108.5  ±  4.7109.5  ±  5.0*
 Repolarization, V/s119.7  ±  7.7104.7  ±  11.8
RIN, MΩ35.8  ±  2.339.2  ±  2.5
τm, ms14.9  ±  2.616.8  ±  2.8*
Postburst AHP
 Amplitude, mV6.0  ±  0.65.1  ±  0.5*
 Duration, ms137.2  ±  16.2145.0  ±  16.2*
 Area, mV × ms389.1  ±  28.2340.6  ±  21.6*
Posttrain AHP
 Amplitude, mV11.4  ±  0.710.4  ±  0.6*
 Duration, ms189.2  ±  18.5175.4  ±  20.0*
 Area, mV × ms1023.3  ±  117.9915.3  ±  114.9*
  • Values are means ± SE; the number of neurons was 10. AP, action potential; AHP, afterhyperpolarization.

  • *  Not significantly different from control.

  •  Significantly different from control, P < 0.05.