{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,16]],"date-time":"2026-07-16T15:23:49Z","timestamp":1784215429220,"version":"3.55.0"},"reference-count":43,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2023,12,22]],"date-time":"2023-12-22T00:00:00Z","timestamp":1703203200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["movementdisorders.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Movement Disorders"],"published-print":{"date-parts":[[2024,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Minor hallucinations (mHs) and well\u2010structured major hallucinations (MHs) are common symptoms of Parkinson's disease (PD) psychosis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objectives<\/jats:title><jats:p>To investigate the resting\u2010state networks (RSNs) in patients with PD without hallucinations (PD\u2010nH), with mH (PD\u2010mH), and with MH (PD\u2010MH).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 73 patients with PD were enrolled (27 PD\u2010nH, 23 PD\u2010mH, and 23 PD\u2010MH). Using seed\u2010based functional connectivity analyses, we investigated the RSNs supposedly related to hallucinations in PD: the default mode network (DMN), executive control network (ECN), dorsal attention network (DAN), ventral attention network (VAN), and visual network (VN). We compared the cognitive function and RSN connectivity among the three groups. In addition, we performed a seed\u2010to\u2010seed analysis to examine the inter\u2010network connectivity within each group using the corresponding RSN seeds.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>PD\u2010MH group had lower test scores for attention and visuospatial functions compared with those in the other groups. The connectivity of the right intracalcarine cortex within the DAN was lower in the PD\u2010MH group than in the others. The PD\u2010mH and PD\u2010MH groups showed higher connectivity in the left orbitofrontal cortex within DMN compared with the PD\u2010nH group, whereas the connectivity was lower in the right middle frontal gyrus (MFG) within ECN, precuneus cortex within VAN, right middle temporal gyrus and precuneus cortex within DAN, and left MFG within VN. The PD\u2010mH and PD\u2010MH groups showed different inter\u2010network connectivity between the five RSNs, especially regarding DAN connectivity.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>DAN dysfunction may be a key factor in the progression from mH to MH in patients with PD. \u00a9 2023 International Parkinson and Movement Disorder Society.<\/jats:p><\/jats:sec>","DOI":"10.1002\/mds.29681","type":"journal-article","created":{"date-parts":[[2023,12,23]],"date-time":"2023-12-23T01:35:03Z","timestamp":1703295303000},"page":"318-327","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Functional Brain Networks of Minor and Well\u2010Structured Major Hallucinations in Parkinson's 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Chung\u2010Ang University College of Medicine and Graduate School of Medicine, Gwangmyeong Hospital  Gwangmyeong South Korea"},{"name":"Department of Neurology Yonsei University College of Medicine  Seoul South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seok Jong","family":"Chung","sequence":"additional","affiliation":[{"name":"Department of Neurology Yonsei University College of Medicine  Seoul South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Young H.","family":"Sohn","sequence":"additional","affiliation":[{"name":"Department of Neurology Yonsei University College of Medicine  Seoul South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5907-3787","authenticated-orcid":false,"given":"Yong","family":"Jeong","sequence":"additional","affiliation":[{"name":"Program of Brain and Cognitive Engineering Korea Advanced Institute of Science and Technology  Daejeon South 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