{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T23:22:55Z","timestamp":1787008975045,"version":"build-2736575974"},"reference-count":41,"publisher":"Oxford University Press (OUP)","issue":"6","license":[{"start":{"date-parts":[[2022,1,25]],"date-time":"2022-01-25T00:00:00Z","timestamp":1643068800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000265","name":"Medical Research Council","doi-asserted-by":"publisher","award":["MR\/T000902\/1"],"award-info":[{"award-number":["MR\/T000902\/1"]}],"id":[{"id":"10.13039\/501100000265","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,6,21]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>The mechanisms underlying placebo effects of psychotropic drugs remain poorly understood. We carried out the first, to our knowledge, systematic review of functional neuroimaging correlates of placebo response in adults with anxiety\/depressive disorders.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We systematically searched a large set of databases up to February 2021 based on a pre-registered protocol (PROSPERO CRD42019156911). We extracted neuroimaging data related to clinical improvement following placebo or related to placebo mechanisms. We did not perform a meta-analysis due to the small number of included studies and significant heterogeneity in study design and outcome measures.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>We found 12 relevant studies for depressive disorders and 4 for anxiety disorders. Activity in the ventral striatum, rostral anterior cingulate cortex and other default mode network regions, orbitofrontal cortex, and dorsolateral prefrontal cortex correlated with placebo antidepressant responses. Activity in regions of the default mode network, including posterior cingulate cortex, was associated with placebo anxiolysis. There was also evidence for possible involvement of the endogenous opioid, dopamine, and serotonin systems in placebo antidepressant and anxiolytic effects.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Several brain regions and molecular systems may be involved in these placebo effects. Further adequately powered studies exploring causality and controlling for confounders are required.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/ijnp\/pyac009","type":"journal-article","created":{"date-parts":[[2022,1,24]],"date-time":"2022-01-24T15:13:01Z","timestamp":1643037181000},"page":"433-447","source":"Crossref","is-referenced-by-count":24,"title":["Functional Neuroimaging Correlates of Placebo Response in Patients With Depressive or Anxiety Disorders: A Systematic Review"],"prefix":"10.1093","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5981-6707","authenticated-orcid":false,"given":"Nathan T M","family":"Huneke","sequence":"first","affiliation":[{"name":"Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton , Southampton , UK"},{"name":"Southern Health National Health Service Foundation Trust , Southampton , UK"},{"name":"University Department of Psychiatry, Academic Centre , Southampton , UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ibrahim H","family":"Aslan","sequence":"additional","affiliation":[{"name":"Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton , Southampton , UK"},{"name":"University Department of Psychiatry, Academic Centre , Southampton , UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Harry","family":"Fagan","sequence":"additional","affiliation":[{"name":"Southern Health National Health Service Foundation Trust , Southampton , UK"},{"name":"University Department of Psychiatry, Academic Centre , Southampton , UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naomi","family":"Phillips","sequence":"additional","affiliation":[{"name":"Solent National Health Service Trust , Southampton , UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rhea","family":"Tanna","sequence":"additional","affiliation":[{"name":"Southern Health National Health Service 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