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. 2014 Mar;21(3):161–170. doi: 10.1101/lm.032730.113

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© 2014 Sehgal et al.; Published by Cold Spring Harbor Laboratory Press

This article is distributed exclusively by Cold Spring Harbor Laboratory Press for the first 12 months after the full-issue publication date (see http://learnmem.cshlp.org/site/misc/terms.xhtml). After 12 months, it is available under a Creative Commons License (Attribution-NonCommercial 3.0 Unported), as described at http://creativecommons.org/licenses/by-nc/3.0/.

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Figure 3. — Long-delay fear conditioning reduces the post-burst AHP in lateral amygdala pyramidal neurons. (A) Time course of the post-burst AHP amplitude. Neurons from Cond-1hr (n = 13) and Cond-24hr rats (n = 28) had a significantly smaller AHP relative to Control rats (n = 28) at all points between 0.5 and 4.0 sec following current offset. (B) Representative traces of the post-burst AHP. Voltage sweeps illustrate LA pyramidal neurons from fear conditioned rats have smaller AHPs compared to Control rats (scale: 1 mV, 100 msec). (C) Area of the post-burst AHP. Bar graphs illustrate that the AHP area is significantly smaller in neurons from Cond-1hr and Cond-24hr compared to Control rats. (*) P < 0.05 relative to LA neurons from Control rats.