{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1362262946286074752.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.3233/jad-190184"}},{"identifier":{"@type":"URI","@value":"https://content.iospress.com/download?id=10.3233/JAD-190184"}},{"identifier":{"@type":"PMID","@value":"31177224"}}],"dc:title":[{"@value":"Logoclonia might be a Characteristic of Logopenic Variant Primary Progressive Aphasia at an Advanced Stage: Potential Mechanisms Underlying Logoclonia"}],"description":[{"notation":[{"@value":"Logoclonia, which is the meaningless repetition of a syllable, particularly an end syllable of a word, has been described in patients with dementia for a century. The mechanisms behind logoclonia, however, have yet to be clarified. Among 914 patients with aphasia, five patients presented with logoclonia, all of whom were categorized as having logopenic variant PPA (lvPPA) during the initial stage of their illness and met the clinical criteria for diagnosis of probable Alzheimer's disease. Cognitively, they were all severely impaired when they presented with logoclonia. During the progression from lvPPA to logoclonia in these patients, their naming abilities and phonological output function deteriorated despite their retained speech fluency. Logoclonia might be a characteristic sign of advanced-stage lvPPA. Although logoclonia might be associated with perseveration, deterioration in naming abilities and phonological output function along with retained speech fluency might form the basis for the development of logoclonia."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1382262946286074624","@type":"Researcher","foaf:name":[{"@value":"Yoshitaka Nakagawa"}],"jpcoar:affiliationName":[{"@value":"Department of Rehabilitation, Edogawa Hospital, Tokyo, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262946286074752","@type":"Researcher","foaf:name":[{"@value":"Michitaka Funayama"}],"jpcoar:affiliationName":[{"@value":"Department of Neuropsychiatry, Ashikaga Red Cross Hospital, Tochigi, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262946286074753","@type":"Researcher","foaf:name":[{"@value":"Masahiro Kato"}],"jpcoar:affiliationName":[{"@value":"Department of Neurology, Edogawa Hospital, Tokyo, Japan"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"13872877"},{"@type":"EISSN","@value":"18758908"}],"prism:publicationName":[{"@value":"Journal of Alzheimer's Disease"}],"dc:publisher":[{"@value":"SAGE Publications"}],"prism:publicationDate":"2019-07-23","prism:volume":"70","prism:number":"2","prism:startingPage":"515","prism:endingPage":"524"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["https://creativecommons.org/licenses/by-nc/4.0/"],"url":[{"@id":"https://content.iospress.com/download?id=10.3233/JAD-190184"}],"createdAt":"2019-06-07","modifiedAt":"2025-03-11","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Male","dc:title":"Male"},{"@id":"https://cir.nii.ac.jp/all?q=Middle%20Aged","dc:title":"Middle Aged"},{"@id":"https://cir.nii.ac.jp/all?q=Aphasia,%20Primary%20Progressive","dc:title":"Aphasia, Primary Progressive"},{"@id":"https://cir.nii.ac.jp/all?q=Disease%20Progression","dc:title":"Disease Progression"},{"@id":"https://cir.nii.ac.jp/all?q=Humans","dc:title":"Humans"},{"@id":"https://cir.nii.ac.jp/all?q=Speech","dc:title":"Speech"},{"@id":"https://cir.nii.ac.jp/all?q=Female","dc:title":"Female"},{"@id":"https://cir.nii.ac.jp/all?q=Research%20Article","dc:title":"Research Article"},{"@id":"https://cir.nii.ac.jp/all?q=Aged","dc:title":"Aged"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050021692220330240","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"A Japanese Patient With Progressive Word Deafness and Logoclonia"}]},{"@id":"https://cir.nii.ac.jp/crid/1390576424443927168","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"A case of non-fluent/agrammatic variant of primary progressive aphasia with logoclonia"},{"@language":"ja","@value":"語間代を呈したnon-fluent/agrammatic variant of primary progressive aphasiaの1例"}]},{"@id":"https://cir.nii.ac.jp/crid/1390851497213138432","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Neocortical Type Alzheimerʼs Disease : Logopenic Progressive Aphasia and Posterior Cortical Atrophy"},{"@language":"ja","@value":"新皮質型アルツハイマー病 : logopenic progressive aphasia と posterior cortical atrophy"}]}],"dataSourceIdentifier":[{"@type":"CROSSREF","@value":"10.3233/jad-190184"},{"@type":"OPENAIRE","@value":"doi_dedup___::5a2144c83627ade63d8e322af2db8a08"},{"@type":"CROSSREF","@value":"10.2496/hbfr.40.171_references_DOI_KDJrhfXD02TVByarmkPDBKbkca8"},{"@type":"CROSSREF","@value":"10.5692/clinicalneurol.cn-001628_references_DOI_KDJrhfXD02TVByarmkPDBKbkca8"},{"@type":"CROSSREF","@value":"10.7759/cureus.70045_references_DOI_KDJrhfXD02TVByarmkPDBKbkca8"}]}