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. 2022 Nov 26;5:1299. doi: 10.1038/s42003-022-04274-z

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© The Author(s) 2022

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. 3 — a Contact duration (min, minutes) when hM3 + C21 (green bars), hM3 + saline (gray bars), and sham + C21 (purple bars) subjects spent time with the stranger (light color bars) or partner (dark color bars) stimulus females. b Partner preference index (contact duration with partner − contact duration with stranger)/(contact duration with partner + contact duration with stranger). c Total contact duration (min) with both the stranger and partner (contact duration with partner + contact duration with stranger). Data are presented as mean ± SEM. Dots represent individual data for hM3 + C21 (n = 10), hM3 + saline (n = 8), and sham + C21 (n = 11) subjects. *p < 0.05; **p < 0.01.