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. 2018 Oct 26;9:4460. doi: 10.1038/s41467-018-07020-4

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — Modulation in ITI-FR increases during acquisition of emotional memory. a Shown are four examples of single cells with ITI-FR modulated more strongly during the acquisition (yellow-red shades) than during habituation. b The mean difference in spikes during the ITI increased in the acquisition compared to habituation (with slight decrease as acquisition progressed), and diminished partially during extinction. Shown is the average excess in spikes over shuffled data (quantified as RMS) across all cells with significant modulation. c ITI-FR modulations in un-reinforced trials (no US) was similar to the ITI-FR modulation in reinforced trials. Shown are four single-cell examples. d Cells with ITI-FR modulation in un-reinforced trials had similar modulation for the reinforced trials, and reduced ITI modulation in extinction (average over all cells with significant modulation during un-reinforced trials). Data presented as mean ± S.E.M. Single units: amygdala: n = 291; dACC: n = 263