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. Author manuscript; available in PMC: 2011 Jun 16.
Published in final edited form as: Neuroscience. 2010 Mar 22;168(1):31–47. doi: 10.1016/j.neuroscience.2010.03.036

Figure 8.

Figure 8

A. Current-clamp recording demonstrating hyperpolarization sensitive membrane voltage sag that is suppressed by ZD7288 (B). C. Voltage-clamp recordings from the same neuron illustrating slow inward currents at greater hyperpolarization that are similarly suppressed by the non-specific cation blocker ZD7288; note digitally subtracted ZD-sensitive currents (D). E. Linear regression for membrane sag versus magnitude of slow inward current; note that the two cells with no sag (NS) had the least slow inward current. F. I-V plot of the ZD-sensitive currents indicating a reversal potential of −42.5 mV for the mixed cation current Ih.