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. 2024 Aug 23;18:1446991. doi: 10.3389/fnbeh.2024.1446991

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Copyright © 2024 Fiocchi, van Dorp, Dijkhuizen, van den Berg, Wong, De Zeeuw and Boele.

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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Acquisition of eyelid CRs and amplitude of eyelid closure in CS-only and CR-only trials. (A–C) Percentage of CRs (average and 95% CI) in response to reinforced (solid lines, CS+) and to non-reinforced (dotted lines, CS−) stimuli over 18 consecutive learning sessions (1 session/day) on the x-axis. Each panel is color-coded per group. Group 10CS + 4CS− n = 8 (in red), Group 10CS + 9CS− n = 8 (in yellow) and Group 10CS + 9.5CS− n = 6 (in blue) (D–F) Amplitude of eyelid closure over all trials (G–I) same as (D–F), but considering eyelid closure over CR only trials.