Table 3.
fAHP and AP half-width evoked synaptically or by direct somatic current injection with control (KMeth) or phrixotoxin in the internal pipette solution
Group | 1 orthodromic APs | Somatic current injection ramp | ||
---|---|---|---|---|
fAHP (mV) | AP half-widthVh (ms) | fAHP IRAMP (mV) | AP half-widththresh (ms) | |
Young-control (n = 43) | -57.88 ± 0.32 | 1.15 ± 0.02 | -50.94 ± 0.63 (42) | 1.16 ± 0.02 |
Young-PaTx (n = 7) | -56.79 ± 0.53 | 1.18 ± 0.03 | ||
Aged-control (n = 28) | -61.68 ± 0.61*** | 0.98 ± 0.02** | -53.76 ± 0.74 (28)** | 1.09 ± 0.02* |
Aged-PaTx (n = 8) | -56.25 ± 0.61 | 1.13 ± 0.02 |