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. 2017 Aug 31;7:10197. doi: 10.1038/s41598-017-10616-3

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© The Author(s) 2017

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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Experimental task. (a) Overall design for experiments 1–3. Sustained attention to response (SART) tasks were embedded into the incubation periods of a creative problem solving task (experiment 1 and 2) and a daily planning task (experiment 3). (b) An example of a stimulus sequence in the SART. Digits 1–9 were used as non-targets (i.e. required button presses), while 0 was a target which required participants to withhold their reaction. The digits were presented in a random order with 11% probability of targets throughout the experiment. Participants were instructed to respond as quickly and accurately as possible. The experience probes were presented at random time points during the SART with each inter-probe interval selected from the range of 40–60 sec.