{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T01:23:14Z","timestamp":1760059394509,"version":"build-2065373602"},"reference-count":60,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2025,6,11]],"date-time":"2025-06-11T00:00:00Z","timestamp":1749600000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100008358","name":"Dutch Brain Foundation","doi-asserted-by":"publisher","award":["HA2015.01.03","2020-007V"],"award-info":[{"award-number":["HA2015.01.03","2020-007V"]}],"id":[{"id":"10.13039\/501100008358","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Stichting Bavalo","award":["HA2015.01.03","2020-007V"],"award-info":[{"award-number":["HA2015.01.03","2020-007V"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Brain Sciences"],"abstract":"<jats:p>Objectives: To investigate whether a smaller volume of the nucleus basalis of Meynert (NBM) is associated with (1) preoperative cognitive impairment and (2) cognitive decline six months after deep brain stimulation (DBS) of the subthalamic nucleus (STN) in patients with Parkinson\u2019s disease (PD), using detailed neuropsychological assessment (NPA). Methods: PD patients from the GALAXY and DBS-MODE study were included if they had a preoperative MRI and NPA. NBM volume was measured using voxel-based morphometry. Regression analyses were conducted to assess associations between NBM volume and (1) global NPA scores at baseline, (2) baseline cognitive categories (i.e., normal cognition, mild cognitive impairment (MCI) and Parkinson\u2019s disease dementia (PDD)), (3) change in NPA score and (4) cognitive decline based on the reliability change index six months after STN DBS. Results: For 129 patients, NBM volume was significantly associated with baseline cognitive categories (\u03c72 = 42.4, p &lt; 0.001). However, smaller NBM volume appeared to be associated only with PDD (B = \u22122.2, p = 0.036), not with MCI. In 103 patients, no association was found between NBM volume and NPA score at baseline, change in NPA score nor cognitive decline six months after STN DBS. Conclusions: Smaller NBM volume appears to be associated with PDD at baseline, but not with cognitive decline six months after STN DBS.<\/jats:p>","DOI":"10.3390\/brainsci15060630","type":"journal-article","created":{"date-parts":[[2025,6,11]],"date-time":"2025-06-11T08:18:06Z","timestamp":1749629886000},"page":"630","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Nucleus Basalis of Meynert Volume and Cognitive Impairment in Parkinson\u2019s Disease Before and After Deep Brain Stimulation of the Subthalamic Nucleus"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2671-9454","authenticated-orcid":false,"given":"Vibuthi","family":"Sisodia","sequence":"first","affiliation":[{"name":"Department of Neurology, Amsterdam UMC, Amsterdam Neuroscience, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8641-3639","authenticated-orcid":false,"given":"Yarit","family":"Wiggerts","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Amsterdam UMC, Amsterdam Neuroscience, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anouk A.","family":"Boogaard","sequence":"additional","affiliation":[{"name":"Department of Neurology, Amsterdam UMC, Amsterdam Neuroscience, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7470-3628","authenticated-orcid":false,"given":"Arthur W. G.","family":"Buijink","sequence":"additional","affiliation":[{"name":"Department of Neurology, Amsterdam UMC, Amsterdam Neuroscience, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rozemarije A.","family":"Holewijn","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Amsterdam UMC, Amsterdam Neuroscience, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8098-880X","authenticated-orcid":false,"given":"Bart E. K. S.","family":"Swinnen","sequence":"additional","affiliation":[{"name":"Department of Neurology, University Hospitals Leuven, Herestraat 49, 3000 Leuven, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2508-340X","authenticated-orcid":false,"given":"Gert J.","family":"Geurtsen","sequence":"additional","affiliation":[{"name":"Department of Medical Psychology, Amsterdam UMC, Amsterdam Neuroscience, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rick","family":"Schuurman","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Amsterdam UMC, Amsterdam Neuroscience, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5267-0784","authenticated-orcid":false,"given":"Rob M. A.","family":"de Bie","sequence":"additional","affiliation":[{"name":"Department of Neurology, Amsterdam UMC, Amsterdam Neuroscience, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,6,11]]},"reference":[{"key":"ref_1","first-page":"2076942","article-title":"Cognition Deficits in Parkinson\u2019s Disease: Mechanisms and Treatment","volume":"2020","author":"Fang","year":"2020","journal-title":"Parkinsons Dis."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"274","DOI":"10.1055\/s-0039-1678579","article-title":"Parkinson\u2019s Disease Dementia and Lewy Body Disease","volume":"39","author":"Sezgin","year":"2019","journal-title":"Semin. 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