{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T05:46:25Z","timestamp":1775195185947,"version":"3.50.1"},"reference-count":46,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2013,4,24]],"date-time":"2013-04-24T00:00:00Z","timestamp":1366761600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Research Intellect Disabil"],"published-print":{"date-parts":[[2013,11]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Obsessive\u2010compulsive (<jats:styled-content style=\"fixed-case\">O<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">C<\/jats:styled-content>) traits, and excessive food intake are well known behavioural manifestations among individuals with Prader\u2013Willi Syndrome (<jats:styled-content style=\"fixed-case\">PWS<\/jats:styled-content>). Other unwanted behaviours are also frequently observed, but they need a more specific investigation, especially in the adult population.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The behaviour of 31 <jats:styled-content style=\"fixed-case\">PWS<\/jats:styled-content> adults was investigated via the Symptom Checklist\u201090\u2010Revised (<jats:styled-content style=\"fixed-case\">SCL<\/jats:styled-content>\u201090\u2010R), the Yale\u2010Brown Obsessive Compulsive Scale Symptom Checklist (Y\u2010<jats:styled-content style=\"fixed-case\">BOCS<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">SC<\/jats:styled-content>), and the Prader\u2013Willi Behavioural Checklist (<jats:styled-content style=\"fixed-case\">PBC<\/jats:styled-content>). The <jats:styled-content style=\"fixed-case\">PBC<\/jats:styled-content> is a quick screening questionnaire prompted specifically for the investigation on adults with <jats:styled-content style=\"fixed-case\">PWS<\/jats:styled-content>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Statistical clustering revealed two patterns of unwanted behaviours from the <jats:styled-content style=\"fixed-case\">PBC<\/jats:styled-content>. Behaviours belonging to the first cluster (e.g. Excessive food intake, Skin picking) appear to be linked to the usual phenotypic manifestation of <jats:styled-content style=\"fixed-case\">PWS<\/jats:styled-content>. By contrast, many other behaviours (e.g. some O\u2010C symptoms and aggressive actions) could show a relationship also to individual psychopathologies.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Both internal (Anxiety and Depression) and external (Hostility) difficulties in managing impulses should account for individually distinct behaviours in adults with <jats:styled-content style=\"fixed-case\">PWS<\/jats:styled-content>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jar.12047","type":"journal-article","created":{"date-parts":[[2013,4,24]],"date-time":"2013-04-24T07:36:50Z","timestamp":1366789010000},"page":"568-577","source":"Crossref","is-referenced-by-count":14,"title":["Exploring Patterns of Unwanted Behaviours in Adults with <scp>P<\/scp>rader\u2013<scp>W<\/scp>illi Syndrome"],"prefix":"10.1111","volume":"26","author":[{"given":"Riccardo","family":"Pignatti","sequence":"first","affiliation":[{"name":"Psychology Laboratory IRCCS Istituto Auxologico Italiano Piancavallo Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ileana","family":"Mori","sequence":"additional","affiliation":[{"name":"Psychology Laboratory IRCCS Istituto Auxologico Italiano Piancavallo Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Laura","family":"Bertella","sequence":"additional","affiliation":[{"name":"Hildebrand Clinic Brissago Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Graziano","family":"Grugni","sequence":"additional","affiliation":[{"name":"Division of Auxology IRCCS Istituto Auxologico Italiano Piancavallo Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniela","family":"Giardino","sequence":"additional","affiliation":[{"name":"Laboratory of Medical Cytogenetics IRCCS Istituto Auxologico Italiano Milan Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Enrico","family":"Molinari","sequence":"additional","affiliation":[{"name":"Psychology Laboratory IRCCS Istituto Auxologico Italiano Piancavallo Italy"},{"name":"Psychology Faculty Universit\u00e0 Cattolica del Sacro Cuore Milan Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2013,4,24]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.brat.2008.05.006"},{"key":"e_1_2_6_3_1","first-page":"641","volume-title":"Repertorio delle scale di valutazione in psichiatria","author":"Armani A.","year":"1999"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2788.2006.00878.x"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1017\/S1462399405009531"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(02)07340-3"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1542\/peds.113.3.565"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1038\/ejhg.2008.165"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1177\/014107688908200108"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-2788.1996.743743.x"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1192\/bjp.180.4.358"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00439-009-0655-4"},{"key":"e_1_2_6_13_1","volume-title":"Symptom Checklist\u201090\u2010R (SCL\u201090\u2010R): Administration, Scoring, and Procedures Manual","author":"Derogatis L. 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