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We extend past research by examining overnight memory consolidation among regular ecstasy users ( n=12) and drug na\u00efve healthy controls ( n=26). Memory recall of word pairs was evaluated before and after a period of sleep, with and without interference prior to testing. In addition, we assessed neurocognitive performances across tasks of learning, memory and executive functioning. Ecstasy users demonstrated impaired overnight memory consolidation, a finding that was more pronounced following associative interference. Additionally, ecstasy users demonstrated impairments on tasks recruiting frontostriatal and hippocampal neural circuitry, in the domains of proactive interference memory, long-term memory, encoding, working memory and complex planning. We suggest that ecstasy-associated dysfunction in fronto-temporal circuitry may underlie overnight consolidation memory impairments in regular ecstasy users.<\/jats:p>","DOI":"10.1177\/0269881114525673","type":"journal-article","created":{"date-parts":[[2014,3,4]],"date-time":"2014-03-04T21:20:22Z","timestamp":1393968022000},"page":"751-762","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Dysfunctional overnight memory consolidation in ecstasy users"],"prefix":"10.1177","volume":"28","author":[{"given":"Vanessa","family":"Smithies","sequence":"first","affiliation":[{"name":"School of Psychology and Psychiatry, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jillian","family":"Broadbear","sequence":"additional","affiliation":[{"name":"School of Psychology and Psychiatry, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonio","family":"Verdejo-Garcia","sequence":"additional","affiliation":[{"name":"School of Psychology and Psychiatry, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Russell","family":"Conduit","sequence":"additional","affiliation":[{"name":"School of Psychology and Psychiatry, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2014,3,4]]},"reference":[{"key":"bibr1-0269881114525673","doi-asserted-by":"publisher","DOI":"10.1016\/j.nlm.2012.06.003"},{"key":"bibr2-0269881114525673","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/16.6.560"},{"key":"bibr3-0269881114525673","doi-asserted-by":"publisher","DOI":"10.1037\/1040-3590.10.2.176"},{"key":"bibr4-0269881114525673","doi-asserted-by":"publisher","DOI":"10.1017\/S0033291708002730"},{"key":"bibr5-0269881114525673","doi-asserted-by":"publisher","DOI":"10.1038\/npp.2012.257"},{"key":"bibr6-0269881114525673","doi-asserted-by":"publisher","DOI":"10.1177\/0269881110372545"},{"key":"bibr7-0269881114525673","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0061234"},{"key":"bibr8-0269881114525673","doi-asserted-by":"publisher","DOI":"10.1037\/h0060251"},{"key":"bibr9-0269881114525673","doi-asserted-by":"publisher","DOI":"10.1007\/s00213-009-1766-2"},{"key":"bibr10-0269881114525673","doi-asserted-by":"publisher","DOI":"10.1097\/00006231-200108000-00007"},{"key":"bibr11-0269881114525673","doi-asserted-by":"publisher","DOI":"10.1176\/appi.ajp.161.7.1181"},{"key":"bibr12-0269881114525673","doi-asserted-by":"publisher","DOI":"10.1016\/0165-1781(89)90047-4"},{"key":"bibr13-0269881114525673","doi-asserted-by":"publisher","DOI":"10.1177\/0269881108089599"},{"key":"bibr14-0269881114525673","doi-asserted-by":"publisher","DOI":"10.1007\/s002130000591"},{"key":"bibr15-0269881114525673","volume-title":"Tower of London Drexel University (TOL DX): Technical manual","author":"Culbertson CW","year":"2001"},{"key":"bibr16-0269881114525673","doi-asserted-by":"publisher","DOI":"10.1177\/0269881107081545"},{"key":"bibr17-0269881114525673","unstructured":"Delis DC, Kramer JH, Kaplan E, Ober BA. 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