医療情報システム研究室 NIRS 認知負荷班【文献調査】 Brain activation for response inhibition under gaming cue distraction in internet gaming disorder 杉田出弥廣安知之山本詩子 2014 年 05 月 09 日タイトル 1 インターネットゲーム障害におけるゲーム娯楽下の反応抑制による脳活動著者 2 Gin-Chung Liua, Ju-Yu Yenc, Chiao-Yun Chena, Cheng-Fang Yenc, Cheng-Sheng Chenc, Wei-Chen Lina, Chih-Hung Ko 出典 3 The Kaohsiung Journal of Medical Sciences, Volume 30, Issue 1, January 2014, Pages 43?51 アブストラクト 4 私達はインターネット障害の大学生において神経物質と制御欠如との関係性を調査している．ゲーム娯楽時の反応抑制機能が不足することによってインターネット利用能力の欠如が起こると仮定した．インターネット障害の 11 人の被験者はゲーム状況下である場合とない場合の 2 条件において fMRI 内で GO/NOGO 課題を行った．ゲーム画面が個人が課題を行う背景にある見られる場合，インターネット障害グループは命令エラーを起こした．統制ができるグループは IGD グループと比較してゲーム環境下において DLPFC と上頭頂小葉がより活性した．さらにこれらの部位の脳活動は IGD グループ間で反応抑制のパフォーマンスと反対の関係性を示した．この結果から反応抑制機能は IGD グループ間でゲーム娯楽下において正常に機能していないことや，IGD の被験者たちはゲーム環境下において反応抑制のための注意の配分や認知制御を保つために DLPFC や上頭頂小葉を活動させることができなかったことが示唆される．このメカニズムは IGD が関わるあらゆる場面において取り入れられるべきである．参考文献 5 5.1 インターネット依存性が世界で広まっている． [1] Ko CH, Yen JY, Chen SH, Yang MJ, Lin HC, Yen CF. 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