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. 1996 Sep 1;16(17):5290–5300. doi: 10.1523/JNEUROSCI.16-17-05290.1996

Fig. 8.

Fig. 8.

AHP and ADP. A, AHP after a single action potential in a cell with a descending axon. Note the PSPs at the end of the voltage trace. Resting potential: −65 mV; current injection: +200 pA, 10 msec. B, ADP in a neurogliaform cell induced by a short train of spikes. Note the small PSP occurring at the decay phase of ADP. Resting potential: −62 mV; current injection: +200 pA, 50 msec. Current injection: C andC1, AHP and I-AHP in a single cell. I-AHP is induced by a brief (10 msec) depolarizing pulse of membrane potential to +20 mV from a holding potential of −60 mV. Note that the I-AHP (C1) has a time course similar to the AHP (C). D and D1, ADP and I-ADP in a single neurogliaform cell. Under current clamp (D), depolarizing current (+300 pA, 10 msec) induced a single spike from a resting potential of −61 mV. I-ADP was induced by a 2 msec voltage step to 20 mV from a holding potential of −65 mV (D1). Note the slow rising phase of the response under voltage clamp.