{"created":"2023-05-15T09:02:40.039491+00:00","id":3535,"links":{},"metadata":{"_buckets":{"deposit":"1ab9404c-ca55-4a57-861d-670c156e82ca"},"_deposit":{"created_by":3,"id":"3535","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"3535"},"status":"published"},"_oai":{"id":"oai:hirosaki.repo.nii.ac.jp:00003535","sets":["557:561:615"]},"author_link":["10617","10622","10627"],"item_3_alternative_title_21":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"The Investigation of the P300 Component to Frequent Non-Target Stimuli"}]},"item_3_alternative_title_22":{"attribute_name":"タイトル(ヨミ)","attribute_value_mlt":[{"subitem_alternative_title":"コウヒンド ヒヒョウテキ シゲキ ニ タイスル P300 セイブン ノ ケントウ"}]},"item_3_biblio_info_8":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1991-03","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageEnd":"15","bibliographicPageStart":"7","bibliographicVolumeNumber":"43","bibliographic_titles":[{"bibliographic_title":"弘前医学"}]}]},"item_3_description_17":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_3_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Oddball課題の非標的刺激に対する健常人の事象関連電位,特にP300成分について,反応課題,刺激呈\n示確率を変えてトポグラフィカルな手法を用いて検討した.対象は,MMPI性格検査で正常範囲から逸脱のない\n健常男子大学生20名で,oddball課題の標的(2,000Hz)対非標的(1,000Hz)の刺激呈示確率を(20% :80%,\n35% :65%,50% :50%)と3段階に変化させて呈示し,標的刺激に対してボタン押しを行わせた.その結果,\n高頻度非標的刺激に対するP300成分は,標的刺激とは異なりCz優位に出現したが,潜時は標的刺激の場合と差\nがなかった.刺激呈示確率が50%の時,P300の振幅は有意にFz