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. 1997 Feb 1;109(2):229–243. doi: 10.1085/jgp.109.2.229

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Amplitude of transient outward currents depends on the number of Put-blocked channels in the preceding depolarization. (A) Relationship between the duration of depolarizations at 0 mV and the peak amplitude of outward currents in the following repolarization at −50 mV, expressed as P_O (•). The relations obtained from the currents in Fig. 8, A and B, are shown in the left and the right panels, respectively. P_Put (○), P_O (▵), and P_Spm (□) at the end of 0-mV depolarizations were obtained from the current changes upon hyperpolarization to −120 mV. All data were obtained from currents successively recorded within 3 min. (B) Relationship between P_Put at the end of 0-mV depolarizations and the peak P_O at −50 mV. The data are the same as those shown in Fig. 9 A. The line was fitted by the least squares method.