Table 2.

Properties of five cell types identified in area X (mean ± SD)

SN (n = 92)LA (n = 8)LTS (n = 9)FS (n = 7)AF (n = 25)
Resting potential, mV−72  ± 102-a−51  ± 82-f−42  ± 82-f−62  ± 10NA
Input resistance, MΩ670  ± 2642-b395  ± 1772-g462  ± 224452  ± 5092-f232  ± 1122-j
AP threshold, mV−37.7  ± 5.82-c−43.7  ± 10.4−43.5  ± 8.5−40.9  ± 13.62-f−47.7  ± 6.0
AP amplitude, mV40.4  ± 8.042.7  ± 8.944.5  ± 9.629.9  ± 7.836.0  ± 13.5
AP duration, msec1.82  ± 0.812.47  ± 0.631.65  ± 0.850.90  ± 0.410.86  ± 0.19
AHP amplitude, mV−13.5  ± 9.3−25.3  ± 6.4−7.4  ± 3.8−13.1  ± 4.0−18.7  ± 5.5
AHP time to peak, msec5.92  ± 5.69124.28  ± 44.783.09  ± 2.12.21  ± 0.898.95  ± 4.88
Delay to first AP, msec339  ± 1052-d207  ± 1322-f65  ± 4586  ± 1482-f116  ± 742-k
Soma diameter, μm7.6  ± 1.12-e19.0  ± 3.22-h10.7  ± 2.32-h11.7  ± 4.22-i11.0  ± 1.72-l
Soma area, μm243.7  ± 11.52-e263.6  ± 84.02-h89.4  ± 372-h105.9  ± 68.92-i94.3  ± 28.42-l
  • In cases in which the data needed to measure a given parameter were not available in all recordings, the number of recordings contributing to a measurement are indicated by superscripts:

  • F2-a  78;

  • F2-b  70;

  • F2-c  90;

  • F2-d  76;

  • F2-e  37;

  • F2-f  6;

  • F2-g  7;

  • F2-h  2;

  • F2-i  4;

  • F2-j  19;

  • F2-k  16;

  • F2-l  12. NA, Not applicable.