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. 2024 Dec 18;15:1497289. doi: 10.3389/fpsyg.2024.1497289

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Copyright © 2024 Héron, Safin, Baker, Zhang, Lecolinet and Détienne.

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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VisualTouch device. (A) Shows the interface presented on the smartphone through which the participants can create/send visual-touch stimuli. (B) Shows an excerpt of the interaction of a couple. On the left, the visual effect on the forearm of the interactant is produced by the use of the smartphone of the interactant on the right (due to a decay effect on the visual and short transmission delay, three red dots can be seen on the screen while there is only one on the smartphone). For a better understanding, short video excerpts are available online in Supplementary Videos 1, 2.