{"created":"2023-05-15T14:40:21.580920+00:00","id":55377,"links":{},"metadata":{"_buckets":{"deposit":"d474ca02-34ff-4825-97e4-c75af6ecb0d1"},"_deposit":{"created_by":1,"id":"55377","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"55377"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00055377","sets":["7"]},"author_link":["566257","566256"],"item_10004_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2005-03","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"108","bibliographicPageStart":"107","bibliographic_titles":[{"bibliographic_title":"次世代PET装置開発研究報告書"}]}]},"item_10004_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"組織内の還元型ヘモグロビン濃度の変化で画像コントラストを作るBOLD(Blood-oxygen-level-dependent)法の開発によって神経科学領域の研究に対するMRIの貢献度は飛躍的に増してきた。しかし、その変化と神経活動との間に乖離があることが指摘され、その解釈についてはいまだ論議のあるところである。近年ではBOLD法以外にも脳血流・血液量・神経体積を反映する測定法がMRI領域で開発されてきている。これらの測定法を用いた研究はBOLD信号変化の生理学的背景を明らかにするだけでなく、神経脳血管カップリングの解明にも貢献するものと考えられる。ここでは、これらの測定法の概論を述べ、実際の使用例を紹介する。","subitem_description_type":"Abstract"}]},"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":"小畠, 隆行"}],"nameIdentifiers":[{"nameIdentifier":"566256","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"小畠 隆行","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"566257","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":"article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"ＭＲＩのトピックス","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ＭＲＩのトピックス"}]},"item_type_id":"10004","owner":"1","path":["7"],"pubdate":{"attribute_name":"公開日","attribute_value":"2005-03-23"},"publish_date":"2005-03-23","publish_status":"0","recid":"55377","relation_version_is_last":true,"title":["ＭＲＩのトピックス"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T22:50:13.675208+00:00"}