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Investigating the impact of mindfulness meditation training on working memory: A mathematical modeling approach
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- 자료유형학술지논문
- 저자명Vugt, M. K.,Jha, A. P.
- 학회/출판사/기관명SPRINGER
- 출판년도2011
- 언어영어
- 학술지명/학위논문주기COGNITIVE AFFECTIVE AND BEHAVIORAL NEUROSCIENCE
- 발행사항Vol.11No.3[2011]_x000D_
- ISBN/ISSN1530-7026
- 소개/요약We investigated whether mindfulness training (MT) influences information processing in a working memory task with complex visual stimuli. Participants were tested before (T1) and after (T2) participation in an intensive one-month MT retreat, and their performance was compared with that of an age- and education-matched control group. Accuracy did not differ across groups at either time point. Response times were faster and significantly less variable in the MT versus the control group at T2. Since these results could be due to changes in mnemonic processes, speed-accuracy trade-off, or nondecisional factors (e.g., motor execution), we used a mathematical modeling approach to disentangle these factors. The EZ-diffusion model (Wagenmakers, van der Maas, & Grasman, Psychonomic Bulletin & Review 14:(1), 3-22, 2007) suggested that MT leads to improved information quality and reduced response conservativeness, with no changes in nondecisional factors. The noisy exemplar model further suggested that the increase in information quality reflected a decrease in encoding noise and not an increase in forgetting. Thus, mathematical modeling may help clarify the mechanisms by which MT produces salutary effects on performance.
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