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. 2015 Oct 6;9:266. doi: 10.3389/fnbeh.2015.00266

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Copyright © 2015 Bissonette and Roesch.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and reproduction in other forums is permitted, provided the original author(s) or licensor 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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Rule activity is diminished on error trials. (A) Population histogram of all rule-modulated neurons by preferred (dark blue) and non-preferred (dark red) rule blocks for correct (solid) and error (dashed) trials with inset bar graphs showing data from pre-cue and cue epochs for correct trials and error trials (faded blue and red bars). Though neural activity is the same as correct trials at baseline, it is significantly reduced during pre-cue and cue epochs. (B) Aligning the data from (A) to fluid-well entry and plotting pre-fluid delay and reward delivery epochs, we see that neural activity of rule-modulated neurons also reflects trial outcomes, being significantly reduced on error trials and highest during preferred rule correct trials. (C) Licking aligned to fluid well entry. Reward is delivered 1 s later on correct trials. Licking did not significantly differ between rules. Significance denoted of at least p < 0.05 with asterisk *.