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Title: Meditation training increases brain efficiency in an attention task
Authors: Kozasa, Elisa Harumi [UNIFESP]
Sato, João Ricardo
Lacerda, Shirley Silva [UNIFESP]
Barreiros, Maria Angela Maramaldo
Radvany, João
Russell, Tamara A.
Sanches, Liana Guerra
Mello, Luiz Eugenio Araujo de Moraes [UNIFESP]
Amaro Junior, Edson
Inst Israelita Ensino & Pesquisa Albert Einstein
Universidade Federal de São Paulo (UNIFESP)
Universidade Federal do ABC (UFABC)
Universidade de São Paulo (USP)
Hosp Israelita Albert Einstein
Kings Coll London
Keywords: Meditation
Issue Date: 2-Jan-2012
Publisher: Elsevier B.V.
Citation: Neuroimage. San Diego: Academic Press Inc Elsevier Science, v. 59, n. 1, p. 745-749, 2012.
Abstract: Meditation is a mental training, which involves attention and the ability to maintain focus on a particular object. in this study we have applied a specific attentional task to simply measure the performance of the participants with different levels of meditation experience, rather than evaluating meditation practice per se or task performance during meditation. Our objective was to evaluate the performance of regular meditators and non-meditators during an fMRI adapted Stroop Word-Colour Task (SWCT), which requires attention and impulse control, using a block design paradigm. We selected 20 right-handed regular meditators and 19 non-meditators matched for age, years of education and gender. Participants had to choose the colour (red, blue or green) of single words presented visually in three conditions: congruent, neutral and incongruent. Non-meditators showed greater activity than meditators in the right medial frontal, middle temporal, precentral and postcentral gyri and the lentiform nucleus during the incongruent conditions. No regions were more activated in meditators relative to non-meditators in the same comparison. Non-meditators showed an increased pattern of brain activation relative to regular meditators under the same behavioural performance level. This suggests that meditation training improves efficiency, possibly via improved sustained attention and impulse control. (C) 2011 Elsevier Inc. All rights reserved.
ISSN: 1053-8119
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