Properties of evoked firing in R-R, R-C, and R-H LNs
R-R/FM7 | R-C/FM7 | R-H/FM7 | |
---|---|---|---|
Input resistance, GΩ | 0.64 ± 0.02 | 0.59 ± 0.10 | 0.56 ± 0.05 |
Cell capacitance, pF | 20.32 ± 2.13 | 17.72 ± 2.01 | 21.13 ± 4.31 |
Action potential threshold, mV | 22˚C: −52.45 ± 1.99 | 22˚C: −50.05 ± 3.81 | 22˚C: −50.68 ± 3.68 |
30˚C: −42.71 ± 3.63 | 30˚C: −44.50 ± 5.26 | 30˚C: −46.40 ± 2.30 | |
22˚C: −50.25 ± 1.94 | 22˚C: −51.45 ± 4.88 | 22˚C: −50.13 ± 2.01 | |
Action potential amplitude, mV | 22˚C: 38.59 ± 2.70 | 22˚C: 33.65 ± 3.02 | 22˚C: 42.99 ± 2.91 |
30˚C: 27.41 ± 3.58 | 30˚C: 23.32 ± 3.32 | 30˚C: 27.08 ± 3.87 | |
22˚C: 33.78 ± 3.40 | 22˚C: 35.67 ± 3.69 | 22˚C: 38.76 ± 4.19 | |
Half-width, ms | 22˚C: 3.0 ± 0.1 | 22˚C: 3.2 ± 0.2 | 22˚C: 2.8 ± 0.1 |
30˚C: 2.2 ± 0.1 | 30˚C: 2.7 ± 0.3 | 30˚C: 2.6 ± 0.2 | |
22˚C: 2.6 ± 0.1 | 22˚C: 3.3 ± 0.3 | 22˚C: 3.1 ± 0.2 | |
Max slope | 22˚C: 24.78 ± 2.82 | 22˚C: 22.45 ± 4.17 | 22˚C: 29.32 ± 4.07 |
30˚C: 27.97 ± 4.67 | 30˚C: 23.96 ± 4.88 | 30˚C: 26.27 ± 3.75 | |
22˚C: 22.18 ± 3.39 | 22˚C: 23.72 ± 5.91 | 22˚C: 25.31 ± 3.66 | |
Adaptation ratio (ISIfirst/ISIfinal at half-maximal firing) | 22˚C: 0.49 ± 0.07 | 22˚C: 0.44 ± 0.09 | 22˚C: 0.56 ± 0.09 |
30˚C: 0.27 ± 0.05 | 30˚C: 0.33 ± 0.08 | 30˚C: 0.33 ± 0.08 | |
22˚C: 0.45 ± 0.06 | 22˚C: 0.52 ± 0.09 | 22˚C: 0.64 ± 0.06 | |
Peak instantaneous frequency, Hz | 22˚C: 104.7 ± 12.4 | 22˚C: 111.5 ± 8.3 | 22˚C: 97.6 ± 9.2 |
30˚C: 205.3 ± 22.8 | 30˚C: 237.8 ± 42.4 | 30˚C: 206.8 ± 35.6 | |
22˚C: 81.7 ± 10.5 | 22˚C: 90.7 ± 10.2 | 22˚C: 83.6 ± 10.2 |
Values are the mean ± SE at 22°C (during the 5 min preheating), at elevated temperature 30°C, and again at 22°C (during the 5 min postcooling). ISI, Interstimulus interval.