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Several brain\u2010stimulation studies using transcranial direct current stimulation (tDCS) have attempted to modulate mind\u2010wandering propensity by stimulating the left dorsolateral prefrontal cortex (DLPFC) which is an important hub in the prefrontal control network. In a series of three studies testing a total of\n                    <jats:italic>N<\/jats:italic>\n                    \u00a0=\u00a0100 participants, we develop a novel task that allows to study the dynamic interplay of mind wandering, behavioural varibility and the flexible recruitment of executive resources as indexed by the randomness (entropy) of movement sequences generated by our participants. We consistently find that behavioural variability is increased and randomness is decreased during periods of mind wandering. Interestingly, we also find that behavioural variability interacts with the entropy\u2010MW effect, opening up the possibility to detect distinct states of off\u2010focus cognition. When applying a high\u2010definition transcranial direct\u2010current stimulation (HD\u2010tDCS) montage to the left DLPFC, we find that propensity to mind wander is reduced relative to a group receiving sham stimulation.\n                  <\/jats:p>","DOI":"10.1111\/ejn.15049","type":"journal-article","created":{"date-parts":[[2020,11,21]],"date-time":"2020-11-21T14:13:37Z","timestamp":1605968017000},"page":"1498-1516","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["The interplay between executive control, behavioural variability and mind wandering: Insights from a high\u2010definition transcranial direct\u2010current stimulation study"],"prefix":"10.1111","volume":"53","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1033-7956","authenticated-orcid":false,"given":"Nya M.","family":"Boayue","sequence":"first","affiliation":[{"name":"Institute for Psychology UiT The Arctic University of Norway Troms\u00f8 Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G\u00e1bor","family":"Csifcs\u00e1k","sequence":"additional","affiliation":[{"name":"Institute for Psychology UiT The Arctic University of Norway Troms\u00f8 Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Isabel V.","family":"Kreis","sequence":"additional","affiliation":[{"name":"Institute for Psychology UiT The Arctic University of Norway Troms\u00f8 Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carole","family":"Schmidt","sequence":"additional","affiliation":[{"name":"Institute for Psychology UiT The Arctic University of Norway Troms\u00f8 Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Iselin","family":"Finn","sequence":"additional","affiliation":[{"name":"Institute for Psychology UiT The Arctic University of Norway Troms\u00f8 Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna E.","family":"Hovde Vollsund","sequence":"additional","affiliation":[{"name":"Institute for Psychology UiT The Arctic University of Norway Troms\u00f8 Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0205-7353","authenticated-orcid":false,"given":"Matthias","family":"Mittner","sequence":"additional","affiliation":[{"name":"Institute for Psychology UiT The Arctic University of Norway Troms\u00f8 Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,12,9]]},"reference":[{"key":"e_1_2_13_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuron.2010.02.005"},{"key":"e_1_2_13_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinph.2017.06.001"},{"key":"e_1_2_13_4_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1421435112"},{"key":"e_1_2_13_5_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-018-34098-z"},{"key":"e_1_2_13_6_1","doi-asserted-by":"publisher","DOI":"10.1080\/713755788"},{"key":"e_1_2_13_7_1","doi-asserted-by":"publisher","DOI":"10.3389\/fnhum.2017.00406"},{"key":"e_1_2_13_8_1","doi-asserted-by":"publisher","DOI":"10.1113\/jphysiol.2012.249730"},{"key":"e_1_2_13_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/ejn.14347"},{"key":"e_1_2_13_10_1","first-page":"704","article-title":"Head models of healthy and depressed adults for simulating the electric fields of non\u2010invasive electric brain stimulation","volume":"7","author":"Boayue N. 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