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Ehlers\u2013Danlos syndromes (EDS) belong to this group of diseases and are characterized by tissue fragility, skin abnormalities, and JHM. Between JHM and EDS, there are the so\u2010called hypermobility spectrum disorders (HSD), which is an umbrella term referring to people with symptomatic JHM who do not fulfill criteria for a syndromic connective tissue disorder such as EDS. Among the variety of clinical correlates of JHM\/HSD\/EDS, neurodevelopmental atypisms are common although often not screened for and identified in the clinical setting. This article reviews the pertinent literature concerning neurodevelopmental conditions for which there is some evidence of an association with JHM\/HSD\/EDS. These include hyperactivity and attention deficit, learning, communication, and motor problems including tic disorders such as Tourette syndrome and autism spectrum disorders. Underlying mechanism hypotheses for such interconnections are also reviewed. The coexistence of connective tissue\u2010altered conditions and neurodevelopmental atypisms increases disability in patients from an early age. Thus, increased awareness among clinicians and researchers is necessary to promote assessment, diagnosis, and develop management strategies to meet the specific needs of those affected.<\/jats:p>","DOI":"10.1002\/ajmg.c.31946","type":"journal-article","created":{"date-parts":[[2021,11,6]],"date-time":"2021-11-06T08:08:30Z","timestamp":1636186110000},"page":"491-499","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Neurodevelopmental atypisms in the context of joint hypermobility, hypermobility spectrum disorders, and<scp>Ehlers\u2013Danlos<\/scp>syndromes"],"prefix":"10.1002","volume":"187","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3279-8366","authenticated-orcid":false,"given":"Carolina","family":"Baeza\u2010Velasco","sequence":"first","affiliation":[{"name":"Universit\u00e9 de Paris Laboratoire de Psychopathologie et Processus de Sant\u00e9 Boulogne Billancourt France"},{"name":"Department of Emergency Psychiatry and Acute Care CHU Montpellier Montpellier France"},{"name":"IGT, University of Montpellier, CNRS, INSERM Montpellier France"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,11,6]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1093\/rheumatology\/keh557"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-43153-6_9"},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.1176\/appi.books.9780890425596"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00296-017-3659-8"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.1080\/09638288.2017.1419294"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.3389\/fpsyt.2018.00656"},{"key":"e_1_2_12_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ridd.2016.10.011"},{"key":"e_1_2_12_9_1","first-page":"49","article-title":"Autism spectrum disorders and Ehlers\u2010Danlos syndrome hypermobility\u2010type: Similarities in clinical presentation","volume":"118","author":"Baeza\u2010Velasco C.","year":"2016","journal-title":"Cuadernos de Medicina Psicosom\u00e1tica y Psiquiatr\u00eda de Enlace"},{"key":"e_1_2_12_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.genhosppsych.2014.10.002"},{"key":"e_1_2_12_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12402-018-0252-2"},{"key":"e_1_2_12_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jvoice.2017.01.011"},{"key":"e_1_2_12_13_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12891-015-0549-7"},{"key":"e_1_2_12_14_1","doi-asserted-by":"publisher","DOI":"10.4018\/978-1-7998-7053-1.ch004"},{"key":"e_1_2_12_15_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-8749.2011.04171.x"},{"key":"e_1_2_12_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuroimage.2004.06.016"},{"key":"e_1_2_12_17_1","unstructured":"Bravo JF. 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