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Intensive training induces longitudinal changes in meditation state-related EEG oscillatory activity
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نویسنده
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saggar m. ,king b.g. ,zanesco a.p. ,maclean k.a. ,aichele s.r. ,jacobs t.l. ,bridwell d.a. ,shaver p.r. ,rosenberg e.l. ,sahdra b.k. ,ferrer e. ,tang a.c. ,mangun g.r. ,alan wallace b. ,miikkulainen r. ,saron c.d.
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منبع
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frontiers in human neuroscience - 2012 - شماره : SEPTEMBER
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چکیده
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The capacity to focus one's attention for an extended period of time can be increased through training in contemplative practices. however the cognitive processes engaged during meditation that support trait changes in cognition are not well characterized. we conducted a longitudinal wait-list controlled study of intensive meditation training. retreat participants practiced focused attention (fa) meditation techniques for three months during an initial retreat. wait-list participants later undertook formally identical training during a second retreat. dense-array scalp-recorded electroencephalogram (eeg) data were collected during 6 min of mindfulness of breathing meditation at three assessment points during each retreat. second-order blind source separation along with a novel semi-automatic artifact removal tool (smart) was used for data preprocessing. we observed replicable reductions in meditative state-related beta-band power bilaterally over anteriocentral and posterior scalp regions. in addition individual alpha frequency (iaf) decreased across both retreats and in direct relation to the amount of meditative practice. these findings provide evidence for replicable longitudinal changes in brain oscillatory activity during meditation and increase our understanding of the cortical processes engaged during meditation that may support long-term improvements in cognition. © 2012 saggar king zanesco maclean aichele jacobs bridwell shaver rosenberg sahdra ferrer tang mangun wallace miikkulainen and saron.
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کلیدواژه
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Attention; Beta; EEG; Individual alpha frequency; Meditation; Training
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آدرس
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department of psychiatry and behavioral sciences,stanford university,stanford,ca,united states,department of computer science,university of texas at austin,tx, United States, department of psychology,university of california,davis,ca,united states,center for mind and brain,university of california,davis,ca, United States, department of psychology,university of california,davis,ca,united states,center for mind and brain,university of california,davis,ca, United States, department of psychiatry and behavioral sciences,johns hopkins university,baltimore,md, United States, department of psychology,university of california,davis,ca,united states,center for mind and brain,university of california,davis,ca, United States, center for mind and brain,university of california,davis,ca, United States, mind research network,albuquerque,nm, United States, department of psychology,university of california,davis,ca, United States, center for mind and brain,university of california,davis,ca, United States, school of social sciences and psychology,university of western sydney,sydney,nsw, Australia, department of psychology,university of california,davis,ca, United States, department of psychology,university of new mexico,albuquerque,nm, United States, department of psychology,university of california,davis,ca,united states,center for mind and brain,university of california,davis,ca,united states,department of neurology,university of california,davis,ca, United States, santa barbara institute for consciousness studies,santa barbara,ca, United States, department of computer science,university of texas at austin,tx, United States, center for mind and brain,university of california,davis,ca,united states,the m.i.n.d. institute,university of california,davis,sacramento ca, United States
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Authors
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