{"id":4721,"date":"2022-06-14T11:21:11","date_gmt":"2022-06-14T18:21:11","guid":{"rendered":"https:\/\/keck.usc.edu\/news\/groundbreaking-study-shows-substantial-differences-in-brain-structure-in-people-with-anorexia\/"},"modified":"2023-11-19T12:52:55","modified_gmt":"2023-11-19T20:52:55","slug":"groundbreaking-study-shows-substantial-differences-in-brain-structure-in-people-with-anorexia","status":"publish","type":"post","link":"https:\/\/keck.usc.edu\/news\/groundbreaking-study-shows-substantial-differences-in-brain-structure-in-people-with-anorexia\/","title":{"rendered":"Groundbreaking study shows substantial differences in brain structure in people with anorexia"},"content":{"rendered":"\n \n \n\n\n\n\n\n\n\n
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Groundbreaking study shows substantial differences in brain structure in people with anorexia<\/h1>\n\n\n<\/div>\n \n \n
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New findings from the largest study to date by an international group of neuroscience experts show significant reductions in grey matter in people with anorexia nervosa.<\/p>\n\n\n\n<\/div>\n \n

\n Sidney Taiko Sheehan<\/span>\n \n June 14, 2022<\/span>\n <\/div>\n \n \n
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Brain Shrinkage in Anorexia: Compiled from worldwide brain scans in the largest study to date, these brain maps show (in warmer colors) brain regions with gray matter deficits\u2014abnormal tissue reductions\u2014in anorexia. Deficits are less strong in partially-weight restored individuals (upper images) than those in the acute phase (lower images) suggesting the importance and benefits of early interventions. (Photo credit: ENIGMA Anorexia Working Group)<\/figcaption>\n <\/figure>\n \n \n \n\n<\/div>\n \n\n <\/div><\/div>\n\r\n\r\n\n\n \n \n\n\n\n\n\n\n\n
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Eating disorders are often misunderstood as lifestyle choices gone awry or oversimplified as the unfortunate result of societal pressures. These misconceptions obscure the fact that eating disorders are serious and potentially fatal mental illnesses that can be treated effectively with early intervention. Mortality rates for people with eating disorders are high compared to other mental illnesses, particularly for those with anorexia nervosa, a condition characterized by a severe restriction of food intake and an abnormally low body weight. People with anorexia can literally starve themselves, causing severe and potentially fatal medical complications. The second leading cause of death for people with anorexia is suicide.<\/p>\n

Now, a groundbreaking new study by a global team of researchers led by the Keck School of Medicine of USC\u2019s Mark and Mary Stevens Neuroimaging and Informatics Institute (Stevens INI<\/a>) \u00a0has revealed that individuals with anorexia demonstrate notable reductions in three critical measures of the brain: cortical thickness, subcortical volumes, and cortical surface area. These reductions are between two and four times larger than the abnormalities in brain size and shape of individuals with other mental illnesses. Reductions in brain size are particularly concerning, as they may imply the destruction of brain cells or the connections between them.<\/p>\n

Equipped with these results, the research team is calling attention to the pressing need for prompt treatment to help people with anorexia avoid long-term, structural brain changes, which could lead to a variety of additional medical issues. Anorexia can be successfully treated with healthy weight gain and cognitive behavioral therapy. Ongoing work by the same group shows that successful treatment can have a positive impact on brain structure.<\/p>\n

\u201cBy comparing nearly 2,000 pre-existing brain scans for people with anorexia, people in recovery and healthy controls, we found that for people in recovery from anorexia, reductions in brain structure were less severe,\u201d says Paul M. Thompson, PhD<\/a>, associate director of the Stevens INI. \u201cThis implies that early treatment and support can help the brain to repair itself.\u201d<\/p>\n

\"Paul<\/a>
Paul M. Thompson, PhD, Associate Director, Stevens INI; Director, Imaging Genetics Center (Photo INI)<\/figcaption><\/figure>\n

In addition to researchers from the Stevens INI, the research team includes neuroscientists from the Technical University in Dresden, Germany; the Icahn School of Medicine at Mount Sinai, New York; University of Bath, UK;\u00a0and King’s College London. The researchers came together under the ENIGMA Eating Disorders working group (ENIGMA-ED<\/a>), a part of the\u00a0ENIGMA Consortium<\/a>, co-founded and led by Thompson. ENIGMA is an international effort to bring together researchers in imaging genomics, neurology, and psychiatry, to understand the link between brain structure, function and mental health.<\/p>\n

Through advances in neuroimaging, researchers are gaining a better understanding of the link between serious mental health disorders and brain abnormalities. By demonstrating the effects of anorexia on brain structure, ENIGMA-ED has underscored the severity of the condition and the need for early intervention, while paving the way for the development of more effective treatments.<\/p>\n

“The international scale of this work is extraordinary. Because scientists from twenty-two centers worldwide pooled their brain scans together, we were able to create the most detailed picture to date of how anorexia affects the brain, \u201csays Thompson, professor of ophthalmology, neurology, psychiatry and the behavioral sciences, radiology, pediatrics and engineering. \u201cThe brain changes in anorexia were more severe than in any other psychiatric condition we have studied. Effects of treatments and interventions can now be evaluated, using these new brain maps as a reference.\u201d<\/p>\n

\u201cThis study exemplifies why the work at the Stevens INI is so essential,\u201d says INI Director and longtime colleague of Thompson, Arthur W. Toga<\/a>, PhD. \u201cThe goal of the ENIGMA Consortium is to bring researchers together from around the world so that we can combine existing data samples and really improve our power to examine the brain and detect the subtle brain alterations associated with a given illness. At the Stevens INI we apply this goal to all our large-scale studies. We are committed to participating in large studies with diverse research cohorts and sharing data to advance the entire scientific community.\u201d<\/p>\n

About ENIGMA ED<\/strong><\/p>\n

ENIGMA-ED is dedicated to improving our understanding of structural brain changes in patients with anorexia nervosa and bulimia nervosa and how those changes normalize during or after recovery. This group aims to conduct a meta-analysis of existing MRI data with adolescents and adults who have or had an eating disorder in the past. ENIGMA-ED welcomes new cohorts. For more information on how to join and contribute anorexia nervosa data, contact Dr. Stefan Ehrlich (transden.lab@uniklinikum-dresden.de<\/a>). To join and contribute bulimia nervosa data, contact Dr. Laura Berner (lberner@ucsd.edu<\/a>).<\/p>\n

Several researchers at the Stevens INI have also partnered with Stuart Murray<\/a>, director of the Eating Disorders Program at the Keck School of Medicine of USC to study binge eating disorder in young children<\/a>. See their most recent findings here<\/a> and here<\/a>.<\/p>\n

Access the full study\u00a0<\/em>‘Brain Structure in Acutely Underweight and Partially Weight-Restored Individuals with Anorexia Nervosa – A Coordinated Analysis by the ENIGMA Eating Disorders Working Group’<\/em><\/a>\u00a0published in the <\/em>Journal Biological Psychiatry<\/em>. Other USC co-authors contributing to the study include Neda Jahanshad, PhD, associate professor of neurology and biomedical engineering, and Sophia Thomopoulos, BS, consortium manager for the ENIGMA study.<\/em><\/p>\n\n\n\n<\/div>\n <\/div>\n\n\n <\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":156,"featured_media":4722,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[6],"tags":[234,169,20,427],"class_list":["post-4721","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-press-release","tag-department-of-neurology","tag-latest","tag-research","tag-usc-mark-and-mary-stevens-neuroimaging-and-informatics-institute"],"acf":[],"yoast_head":"\nGroundbreaking study shows substantial differences in 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Shrinkage in Anorexia: Compiled from worldwide brain scans in the largest study to date, these brain maps show (in warmer colors) brain regions with gray matter deficits\u2014abnormal tissue reductions\u2014in anorexia. Deficits are less strong in partially-weight restored individuals (upper images) than those in the acute phase (lower images) suggesting the importance and benefits of early interventions. (Photo credit: ENIGMA Anorexia Working Group)"},{"@type":"BreadcrumbList","@id":"https:\/\/keck.usc.edu\/news\/groundbreaking-study-shows-substantial-differences-in-brain-structure-in-people-with-anorexia\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/keck.usc.edu\/news\/"},{"@type":"ListItem","position":2,"name":"Groundbreaking study shows substantial differences in brain structure in people with anorexia"}]},{"@type":"WebSite","@id":"https:\/\/keck.usc.edu\/news\/#website","url":"https:\/\/keck.usc.edu\/news\/","name":"Newsroom","description":"","publisher":{"@id":"https:\/\/keck.usc.edu\/news\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/keck.usc.edu\/news\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/keck.usc.edu\/news\/#organization","name":"Keck School of Medicine of USC","alternateName":"Keck School of Medicine","url":"https:\/\/keck.usc.edu\/news\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/keck.usc.edu\/news\/#\/schema\/logo\/image\/","url":"https:\/\/keck.usc.edu\/news\/wp-content\/uploads\/sites\/68\/2023\/11\/keck-school-of-medicine-logo-696-square.jpg","contentUrl":"https:\/\/keck.usc.edu\/news\/wp-content\/uploads\/sites\/68\/2023\/11\/keck-school-of-medicine-logo-696-square.jpg","width":696,"height":696,"caption":"Keck School of Medicine of USC"},"image":{"@id":"https:\/\/keck.usc.edu\/news\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/KECKschoolUSC\/","https:\/\/x.com\/KeckSchool_USC","https:\/\/www.linkedin.com\/school\/keckschoolusc\/","https:\/\/www.instagram.com\/KeckSchoolUSC\/","https:\/\/www.youtube.com\/channel\/UCpL1E1W5ZTfkc5iihwLSFEA","https:\/\/www.tiktok.com\/@keckschoolusc"]},{"@type":"Person","@id":"https:\/\/keck.usc.edu\/news\/#\/schema\/person\/4dfea386f5abd979480c7caf9df61b17","name":"Sidney Taiko Sheehan","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/f6fe26ce089dec25c2e2618d255104eeb3605691a924101803d1f2f07378700d?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/f6fe26ce089dec25c2e2618d255104eeb3605691a924101803d1f2f07378700d?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/f6fe26ce089dec25c2e2618d255104eeb3605691a924101803d1f2f07378700d?s=96&d=mm&r=g","caption":"Sidney Taiko Sheehan"},"url":"https:\/\/keck.usc.edu\/news\/author\/sidney_taiko_sheehan\/"}]}},"author_meta":{"display_name":"Sidney Taiko Sheehan","author_link":"https:\/\/keck.usc.edu\/news\/author\/sidney_taiko_sheehan\/"},"featured_img":"https:\/\/keck.usc.edu\/news\/wp-content\/uploads\/sites\/68\/2023\/11\/Image-1-copy-300x291.png","coauthors":[],"tax_additional":{"categories":{"linked":["<a href=\"https:\/\/keck.usc.edu\/news\/category\/press-release\/\" class=\"advgb-post-tax-term\">Press Release<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">Press Release<\/span>"]},"tags":{"linked":["<a href=\"https:\/\/keck.usc.edu\/news\/category\/press-release\/\" class=\"advgb-post-tax-term\">Department of Neurology<\/a>","<a href=\"https:\/\/keck.usc.edu\/news\/category\/press-release\/\" class=\"advgb-post-tax-term\">Latest<\/a>","<a href=\"https:\/\/keck.usc.edu\/news\/category\/press-release\/\" class=\"advgb-post-tax-term\">Research<\/a>","<a href=\"https:\/\/keck.usc.edu\/news\/category\/press-release\/\" class=\"advgb-post-tax-term\">USC Mark and Mary Stevens Neuroimaging and Informatics Institute<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">Department of Neurology<\/span>","<span class=\"advgb-post-tax-term\">Latest<\/span>","<span class=\"advgb-post-tax-term\">Research<\/span>","<span class=\"advgb-post-tax-term\">USC Mark and Mary Stevens Neuroimaging and Informatics Institute<\/span>"]}},"comment_count":"0","relative_dates":{"created":"Posted 4 years ago","modified":"Updated 3 years ago"},"absolute_dates":{"created":"Posted on June 14, 2022","modified":"Updated on November 19, 2023"},"absolute_dates_time":{"created":"Posted on June 14, 2022 11:21 am","modified":"Updated on November 19, 2023 12:52 pm"},"featured_img_caption":"Brain Shrinkage in Anorexia: Compiled from worldwide brain scans in the largest study to date, these brain maps show (in warmer colors) brain regions with gray matter deficits\u2014abnormal tissue reductions\u2014in anorexia. Deficits are less strong in partially-weight restored individuals (upper images) than those in the acute phase (lower images) suggesting the importance and benefits of early interventions. (Photo credit: ENIGMA Anorexia Working Group)","series_order":"","_links":{"self":[{"href":"https:\/\/keck.usc.edu\/news\/wp-json\/wp\/v2\/posts\/4721","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/keck.usc.edu\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/keck.usc.edu\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/keck.usc.edu\/news\/wp-json\/wp\/v2\/users\/156"}],"replies":[{"embeddable":true,"href":"https:\/\/keck.usc.edu\/news\/wp-json\/wp\/v2\/comments?post=4721"}],"version-history":[{"count":0,"href":"https:\/\/keck.usc.edu\/news\/wp-json\/wp\/v2\/posts\/4721\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/keck.usc.edu\/news\/wp-json\/wp\/v2\/media\/4722"}],"wp:attachment":[{"href":"https:\/\/keck.usc.edu\/news\/wp-json\/wp\/v2\/media?parent=4721"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/keck.usc.edu\/news\/wp-json\/wp\/v2\/categories?post=4721"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/keck.usc.edu\/news\/wp-json\/wp\/v2\/tags?post=4721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}