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. Author manuscript; available in PMC: 2008 May 6.
Published in final edited form as: J Neurophysiol. 2006 Sep 6;97(3):1977–1985. doi: 10.1152/jn.00270.2006

FIG. 3.

FIG. 3

Ethanol inhibition of IM is not voltage dependent. A: average IM obtained from 7 DA VTA neurons with 4 different hyperpolarizing voltage steps before, during, and after application of 120 mM ethanol. Hyperpolarizing voltage steps were given from a VH of −25 to −65 mV in 10-mV increments. IM values measured with all 4 voltage steps were inhibited with ethanol. B: relationship between membrane voltage and normalized IM amplitude; control (open circles), 120 mM ethanol (filled circles), and washout of ethanol (open triangles). All IM amplitudes were normalized to the IM amplitude measured at −35 mV before ethanol treatment (arrow). C: relationship between voltage and average percentage inhibition by 120 mM ethanol.