Table 1.

Intrinsic properties

ParameterFledgling: 27–32 PHD (mean = 30,n = 16 cells from 15 slices)Juvenile: 40–51 PHD (mean = 43, n = 16 cells from 16 slices)Adult: 90–180 PHD (mean = 13, n = 75 cells from 74 slices)
Vrest (mV ± SEM)a−77 ± 2,n = 12−76 ± 2, n = 16−76 ± 1,n = 59
Input resistance (MΩ ± SEM)b82 ± 8, n = 1398 ± 9,n = 1690 ± 4, n = 59
Accommodation (Y/N)YYY
Bursting cells80% (12/15)7% (1/15)0% (0/69)
AHP50% (8/16)60% (9/15)33% (19/58)
Inward rectification70% (7/10; 6 nd)89% (8/9; 6 nd)64% (29/45)
  • nd = not determined.

  • One-way ANOVAs: a F = 0.02,p > 0.97; b F= 1.1, p > 0.33.