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. 2023 Jan 25;16:1098343. doi: 10.3389/fnbeh.2022.1098343

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Copyright © 2023 Landin and Chandler.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Freezing behavior and lever pressing on the last day of extinction of the platform-mediated avoidance task. (A) When freezing during tone presentation on the last day of extinction was examined irrespective of platform location, male AIE-exposed rats froze significantly more compared to male Air rats. (B) When analysis of freezing to the tone was restricted to the period when the rats were positioned on the platform, female rats froze significantly more than male rats. During the period, the significant increase in freezing in the male AIE-exposed rats compared to the male Air rats was no longer observed. (C) Examination of total lever responding during the test session revealed lever pressing by female rats was significantly reduced compared to male rats. (D) AIE-exposed male and female rats also exhibited reductions in lever pressing during presentation of the tone. Data represent the means ± sem (n = 12–13/group). ^%indicates a significant main effect of AIE, all p values < 0.01. ^@indicates a significant difference between male and female rats, p = 0.000; ^&indicates significant difference of AIE group compared the their respective Air group, all p values < 0.05; ^#indicates significant difference between mail Air and AIE rats, p = 0.002.