{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,28]],"date-time":"2026-08-28T15:32:27Z","timestamp":1787931147263,"version":"build-2784847793"},"reference-count":28,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2024,6,18]],"date-time":"2024-06-18T00:00:00Z","timestamp":1718668800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/100009619","name":"Japan Agency for Medical Research and Development","doi-asserted-by":"publisher","award":["22dk0307105h0001"],"award-info":[{"award-number":["22dk0307105h0001"]}],"id":[{"id":"10.13039\/100009619","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100009619","name":"Japan Agency for Medical Research and Development","doi-asserted-by":"publisher","award":["23dk0307120h0001"],"award-info":[{"award-number":["23dk0307120h0001"]}],"id":[{"id":"10.13039\/100009619","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100009619","name":"Japan Agency for Medical Research and Development","doi-asserted-by":"publisher","award":["24dk0307120h0002"],"award-info":[{"award-number":["24dk0307120h0002"]}],"id":[{"id":"10.13039\/100009619","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Neuropsychopharm Rep"],"published-print":{"date-parts":[[2024,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>The therapeutic potential of psychedelics for various mental disorders has gained significant interest. Previous studies have highlighted that psychedelics induce psychoactive effects, including challenging aspects of experiences. These experiences are assessed using the Challenging Experience Questionnaire (CEQ), yet its Japanese version has been unavailable. This study aimed to create a Japanese version of the CEQ.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We followed the \u201cPrinciples of Good Practice for the Translation and Cultural Adaptation Process for Patient\u2010Reported Outcomes (PRO) Measures: Report of the ISPOR Task Force for Translation and Cultural Adaptation.\u201d Initially, two Japanese psychiatrists independently conducted the forward translations. These were then reconciled into a single version, which was back\u2010translated into English. The original authors reviewed this back\u2010translation for accuracy, leading to revisions through continuous dialogue until the original authors approved the final version.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The final, approved back\u2010translated version of the CEQ is presented in the figure.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>This study developed a Japanese version of the CEQ, enabling the assessment of challenging experiences during psychedelic\u2010assisted therapy for Japanese speakers. Further studies are needed to assess the reliability and validity of this newly translated version.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/npr2.12456","type":"journal-article","created":{"date-parts":[[2024,6,18]],"date-time":"2024-06-18T13:50:21Z","timestamp":1718718621000},"page":"534-539","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Development of the Japanese version of the Challenging Experience Questionnaire"],"prefix":"10.1002","volume":"44","author":[{"given":"Hideaki","family":"Tani","sequence":"first","affiliation":[{"name":"Department of Neuropsychiatry Keio University School of Medicine  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kengo","family":"Yonezawa","sequence":"additional","affiliation":[{"name":"Department of Neuropsychiatry Keio University School of Medicine  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keisuke","family":"Kusudo","sequence":"additional","affiliation":[{"name":"Department of Neuropsychiatry Keio University School of Medicine  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frederick S.","family":"Barrett","sequence":"additional","affiliation":[{"name":"Center for Psychedelic and Consciousness Research Johns Hopkins University School of Medicine  Baltimore Maryland USA"},{"name":"Department of Psychiatry and Behavioral Sciences Johns Hopkins University School of Medicine  Baltimore Maryland USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2601-2195","authenticated-orcid":false,"given":"Shinichiro","family":"Nakajima","sequence":"additional","affiliation":[{"name":"Department of Neuropsychiatry Keio University School of Medicine  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0628-7036","authenticated-orcid":false,"given":"Hiroyuki","family":"Uchida","sequence":"additional","affiliation":[{"name":"Department of Neuropsychiatry Keio University School of Medicine  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,6,18]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.psychres.2024.115886"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1055\/a-1310-3990"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cub.2021.12.009"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1176\/appi.ajp.2019.19010035"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1097\/00005053-198410000-00001"},{"issue":"4","key":"e_1_2_11_7_1","first-page":"189","article-title":"The adverse effects of hallucinogens from intramural perspective","volume":"8","author":"Frecska E","year":"2006","journal-title":"Neuropsychopharmacol Hung"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.1177\/0269881108093587"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00213-006-0457-5"},{"key":"e_1_2_11_10_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00213-011-2358-5"},{"key":"e_1_2_11_11_1","doi-asserted-by":"publisher","DOI":"10.1177\/0269881114548296"},{"key":"e_1_2_11_12_1","doi-asserted-by":"publisher","DOI":"10.1177\/0269881110382466"},{"key":"e_1_2_11_13_1","first-page":"92","article-title":"The use of the psychological flexibility model to support psychedelic assisted therapy. 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