{"created":"2023-05-15T14:33:10.526435+00:00","id":43011,"links":{},"metadata":{"_buckets":{"deposit":"a3fce318-4fc4-490c-b7b9-ef84f0644364"},"_deposit":{"created_by":1,"id":"43011","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"43011"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00043011","sets":["1"]},"author_link":["428038","428040","428039","428036","428041","428037","428042"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2000-09","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"5","bibliographicPageEnd":"723","bibliographicPageStart":"715","bibliographicVolumeNumber":"18","bibliographic_titles":[{"bibliographic_title":"Medical Imaging Technology"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"中毒症、感染症、無酸素脳症等の各種脳症例における脳血流及び糖代謝PET画像は正常者が大脳皮質にほぼ均一に分布するのに比べ、斑状に分布して明らかにテクスチャが異なっている。また、これらの症例は、血管障害やアルツハイマー症例等が局所的な低下を示すのとも異なって、脳全体で異常な分布をしている。本研究では、フラクタル次元を用いて、脳表におけるこれらの特徴的なテクスチャパターンを定量的に評価することを目的とする。PET脳画像では、脳表を抽出した2次元投影画像を用い、フラクタル次元をBox count法で算出した。算出されたフラクタル次元は、血流量や糖代謝の絶対値の高低には関係なく、機能分布のテクスチャパターンを良く反映した。血流画像は糖代謝画像より高いフラクタル次元となり、疾患例の血流画像のフラクタル次元は健常者より低値を示した。","subitem_description_type":"Abstract"}]},"item_8_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0288-450X","subitem_source_identifier_type":"ISSN"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"上村, 幸司"}],"nameIdentifiers":[{"nameIdentifier":"428036","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"外山, 比南子"}],"nameIdentifiers":[{"nameIdentifier":"428037","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"石井, 賢二"}],"nameIdentifiers":[{"nameIdentifier":"428038","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"内山, 明彦"}],"nameIdentifiers":[{"nameIdentifier":"428039","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"上村 幸司","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"428040","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"外山 比南子","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"428041","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"石井 賢二","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"428042","nameIdentifierScheme":"WEKO"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"びまん性脳症における脳機能画像のフラクタル次元解析","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"びまん性脳症における脳機能画像のフラクタル次元解析"}]},"item_type_id":"8","owner":"1","path":["1"],"pubdate":{"attribute_name":"公開日","attribute_value":"2002-12-10"},"publish_date":"2002-12-10","publish_status":"0","recid":"43011","relation_version_is_last":true,"title":["びまん性脳症における脳機能画像のフラクタル次元解析"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-16T00:32:19.062141+00:00"}