Table 1.

Quantification of electrophysiological properties of 5-HT3AR-expressing neurons in layer 2/3 (n = 80)

LS1LS2bNA1bNA2ISdNFS3fAD
RMP (mV)−61.2 ± 5.8−60.5 ± 7.0−63 ± 4.3−60.2 ± 5.7−58.4 ± 5.9−65 ± 6.3−56.9 ± 7.0
R m (MΩ)329 ± 89285 ± 101332 ± 124369 ± 143406 ± 132631 ± 310459 ± 179
τm (ms)17.3 ± 6.519.3 ± 5.817.5 ± 8.519.4 ± 8.320.1 ± 7.127.7 ± 12.326.4 ± 9.7
Spike threshold (mV)−38.2 ± 5.4−36.9 ± 5.1−35.5 ± 4.5−36.1 ± 3.8−39.8 ± 6.3−42.2 ± 6.1−38.3 ± 4.9
Spike width (ms)1.4 ± 0.51.4 ± 0.41.4 ± 0.61.4 ± 0.41.2 ± 0.41.3 ± 0.31.1 ± 0.3
AHP amplitude (mV)−19.3 ± 5.2−18.2 ± 3.9−16.1 ± 5.1−14.4 ± 4.6−13.0 ± 0.4−15.3 ± 3.3−12.2 ± 3.4
tAHP (ms)23.1 ± 4.824.8 ± 7.950.3 ± 11.924.9 ± 8.514.2 ± 5.214.1 ± 9.818.1 ± 9.9
Delay to spike (ms)376.3 ± 79.8224.8 ± 130.170.3 ± 21.475.4 ± 41.4259.5 ± 120.514.1 ± 9.818.1 ± 9.9
Max frequency (Hz)79.3 ± 30.159.2 ± 18.452.6 ± 14.961.5 ± 28.484.9 ± 16.581.3 ± 21.485.7 ± 21.5
Adaptation (%)51.3 ± 14.553.9 ± 16.363.7 ± 18.259.4 ± 21.441.5 ± 11.636.3 ± 9.8N/A
  • For an explanation of the parameters, see Materials and Methods.