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. 2019 May 14;10:565. doi: 10.3389/fphys.2019.00565

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Copyright © 2019 Delliaux, Delaforge, Deharo and Chaumet.

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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Protocol design. The protocol lasted approximately 1 h 20 min, including 15 min under resting conditions (calm, room temperature control, sitting position in front of a computer, no visual stimulus), of which the last 5 min were used as the Control conditions, and 60 min of the switching task on the computer. Before the task started the visual analog scale (VAS) was administered and VAS + NASA-TLX questionnaires were completed immediately after the task ended. During the task, the last 5 min of each temporal quartile (i.e., 25, 50, 75, and 100% of task duration, respectively) were used for cardiovascular function assessment and denoted by P1, P2, P3, and P4, respectively.