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BGM聴取時の作業効率に関する脳部位の検討

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  • BGM チョウシュジ ノ サギョウ コウリツ ニ カンスル ノウ ブイ ノ ケントウ
  • Brain Activation Related to Work Efficiency While Listening to Background Music

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Abstract

type:Article

目的:バック・グラウンド・ミュージック(BGM)が単純作業の作業効率に与える影響を,クラシックとポップスを用いて脳科学的に評価する.方法:被験者は成人大学生8名(男女各4名,平均年齢22±0.7歳).単純作業の評価スケールとして内田クレペリン検査を用いた.同一被験者において無音時及びBGM聴取時に内田クレペリン検査を行った.BGMとして,クラシック及びポップス各1曲を用いた.各試行時に,近赤外計測装置を用いて前頭前皮質の機能測定を行った.結果:内田クレペリン検査の作業量は,クラシック音楽聴取時に有意に上昇した.また,脳機能計測において単純作業時及び音楽聴取時に賦活を示す部位を特定した.結論:単純作業に対するBGMの効果は,左外側前頭前皮質に観察された.実験に用いた音楽では,ポップスよりもクラシックの方が賦活は大きかった.

Objectives : This study aimed to evaluate the effects of background music (BGM) on work efficiency while listening to classical and popular music by means of neuroscientific methods. First, we measured the work efficiency with/without BGM using Uchida-Kraepelin test, and found that the efficiency rise "with" background music (BGM). Then we evaluated the effects of BGM on work efficiency by examining changes in brain activation. Subjects and Methods : Four female and four male undergraduate students participated in the study (mean age, 22±0.7 years). Uchida-Kraepelin test is used as the scale of simple work, and we compared the score of the test with and without music to find the difference. A classical and a popular music (Pachelbel Canon and Tohoshinki (TVXQ!), respectively) were used individually for BGM. During each trial, brain activation of the prefrontal cortex was measured using near-infrared spectroscopy (NIRS). Results : Work efficiency, as measured by the Uchida-Kraepelin test, was significantly increased (p<0.05) when listening to classical music. The functional localization of brain activity in the prefrontal cortex during simple work while listening to music was shown by NIRS measurements. Conclusions : The effects of BGM on simple work were observed in the left lateral prefrontal cortex. Brain activation was increased when listening to classical music than that of popular music. For both sentences, your alternative suggestion seems to be great!

原著

identifier:群馬県立県民健康科学大学紀要 7,45-53,2012

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