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A cross-sectional evaluation of meditation experience on electroencephalography data by artificial neural network and support vector machine classifiers.

Yu-Hao Lee, Ya-Ju Hsieh, Yung-Jong Shiah, Yu-Huei Lin, Chiao-Yun Chen, Yu-Chang Tyan, JiaCheng GengQiu, Chung-Yao Hsu, Sharon Chia-Ju Chen

Medicine April 1, 2017 DOI: 10.1097/md.0000000000006612 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Cross-sectional analysis Peer reviewed
Population Three meditation groups categorized by meditation experience in 10-year intervals (novice, junior, senior)
Topics Meditation
Keywords Humans Image interpretation, computer-assisted Electroencephalography Cross-sectional studies Artificial intelligence Adult Middle aged Support vector machine
Key findings The authors report that both artificial neural network and support vector machine classifiers achieved accuracy above 98% in distinguishing meditation experience from electroencephalography alpha-spectrum features, using a 0.5-minute sliding window and 2-second shifting interval. They propose this as a rapid evaluation system for meditation experience and a beneficial use of artificial techniques for big-data analysis.

Abstract

To quantitate the meditation experience is a subjective and complex issue because it is confounded by many factors such as emotional state, method of meditation, and personal physical condition. In this study, we propose a strategy with a cross-sectional analysis to evaluate the meditation experience with 2 artificial intelligence techniques: artificial neural network and support vector machine. Within this analysis system, 3 features of the electroencephalography alpha spectrum and variant normalizing scaling are manipulated as the evaluating variables for the detection of accuracy. Thereafter, by modulating the sliding window (the period of the analyzed data) and shifting interval of the window (the time interval to shift the analyzed data), the effect of immediate analysis for the 2 methods is compared. This analysis system is performed on 3 meditation groups, categorizing their meditation experiences in 10-year intervals from novice to junior and to senior. After an exhausted calculation and cross-validation across all variables, the high accuracy rate >98% is achievable under the criterion of 0.5-minute sliding window and 2 seconds shifting interval for both methods. In a word, the minimum analyzable data length is 0.5 minute and the minimum recognizable temporal resolution is 2 seconds in the decision of meditative classification. Our proposed classifier of the meditation experience promotes a rapid evaluation system to distinguish meditation experience and a beneficial utilization of artificial techniques for the big-data analysis.

Comparable studies

Other cross-sectional and survey studies on meditation, most cited first.

Study Year Design Participants
Construct Validity of the Five Facet Mindfulness Questionnaire in Meditating and Nonmeditating Samples Experienced meditators and nonmeditating comparison groups 2008 Cross-sectional study
Neural Correlates of Dispositional Mindfulness During Affect Labeling Adult participants 2007 Observational cross-sectional n = 27
Assessing mindfulness in children and adolescents: Development and validation of the Child and Adolescent Mindfulness Measure (CAMM). School-aged children and adolescents 2011 Cross-sectional validation study n = 1,413
Mindfulness and self-compassion as predictors of psychological wellbeing in long-term meditators and matched nonmeditators Experienced meditators and demographically matched nonmeditators 2012 Cross-sectional study n = 152
Mechanisms of Action in the Inverse Relationship Between Mindfulness and Psychological Distress Undergraduates 2008 Cross-sectional, correlational

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