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. 2015 Feb;22(2):92–100. doi: 10.1101/lm.034918.114

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© 2015 Kochli 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 4.0 International), as described at http://creativecommons.org/licenses/by-nc/4.0/.

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Figure 2. — (A) Timeline for Experiment 2. (B) Cannula placement for all animals included in Experiment 2 (atlas images taken and modified from Paxinos and Watson 1998 with permission from Elsevier 1998). The number of animals in each group was as follows: unpaired veh, n = 9, trace veh, n = 11; trace cyclo, n = 11; delay veh, n = 10; delay cyclo, n = 10; N = 51. (C) The percentage of time spent freezing during baseline period (first 3 min), tone, and trace interval or trace interval equivalent during the tone test. (D) Simultaneously learned contextual fear expressed during the context test.