{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T03:29:46Z","timestamp":1778642986364,"version":"3.51.4"},"reference-count":31,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2017,12,27]],"date-time":"2017-12-27T00:00:00Z","timestamp":1514332800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100010233","name":"Nippon Life Insurance Foundation","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100010233","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int J Geriat Psychiatry"],"published-print":{"date-parts":[[2018,5]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>Caregivers of patients with dementia experience physical and mental deterioration. We have previously reported a correlation between caregiver burden and the Frontal Assessment Battery (FAB) total scores of patients with Alzheimer's disease (AD), especially regarding the dependency factor from the Zarit Burden Interview. The present study aimed to identify an objective biomarker for predicting caregiver burden.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The participants were 26 pairs of caregivers and patients with AD and mild\u2010to\u2010moderate dementia. Correlations between regional gray matter volumes in the patients with AD and the FAB total scores were explored by using whole\u2010brain voxel\u2010based morphometric analysis. Path analysis was used to estimate the relationships between regional gray matter volumes, FAB total scores, and caregiver burden based on the Zarit Burden Interview.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The voxel\u2010based morphometric revealed a significant positive correlation between the FAB total scores and the volume of the left dorsolateral prefrontal cortex. This positive correlation persisted after controlling for the effect of general cognitive dysfunction, which was assessed by using the Mini\u2010Mental State Examination. Path analysis revealed that decreases in FAB scores, caused by reduced frontal lobe volumes, negatively affected caregiver burden.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The present study revealed that frontal lobe function, based on FAB scores, was affected by the volume of the left dorsolateral prefrontal cortex. Decreased scores were associated with greater caregiver burden, especially for the dependency factor. These findings may facilitate the development of an objective biomarker for predicting caregiver burden.<\/jats:p><\/jats:sec>","DOI":"10.1002\/gps.4843","type":"journal-article","created":{"date-parts":[[2017,12,27]],"date-time":"2017-12-27T11:24:38Z","timestamp":1514373878000},"page":"703-709","source":"Crossref","is-referenced-by-count":7,"title":["Left dorsolateral prefrontal cortex atrophy is associated with frontal lobe function in Alzheimer's disease and contributes to caregiver burden"],"prefix":"10.1002","volume":"33","author":[{"given":"Kiwamu","family":"Matsuoka","sequence":"first","affiliation":[{"name":"Department of Psychiatry Nara Medical University  Kashihara Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5981-5795","authenticated-orcid":false,"given":"Fumihiko","family":"Yasuno","sequence":"additional","affiliation":[{"name":"Department of Psychiatry Nara Medical University  Kashihara 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