期刊论文详细信息
Brain Informatics
Common spatial pattern for classification of loving kindness meditation EEG for single and multiple sessions
Research
Sunil Lal1  Hans W. Guesgen1  Ali Abdul Hussain1  Nalinda D. Liyanagedera2  Heather Kempton3  Amardeep Singh4 
[1] School of Mathematical and Computational Sciences, Massey University, 4410, Palmerston North, New Zealand;School of Mathematical and Computational Sciences, Massey University, 4410, Palmerston North, New Zealand;Department of Computing & Information Systems, Faculty of Applied Sciences, Wayamba University of Sri Lanka, 60200, Kuliyapitiya, Sri Lanka;School of Psychology, Massey University, 0632, Auckland, New Zealand;Universal College of Learning (UCOL), 4410, Palmerston North, New Zealand;
关键词: BCI (brain computer interface);    EEG (electroencephalography);    Meditation;    Classification;    CSP (common spatial patterns);    LDA (linear discriminant analysis);   
DOI  :  10.1186/s40708-023-00204-9
 received in 2023-05-15, accepted in 2023-08-19,  发布年份 2023
来源: Springer
PDF
【 摘 要 】

While a very few studies have been conducted on classifying loving kindness meditation (LKM) and non-meditation electroencephalography (EEG) data for a single session, there are no such studies conducted for multiple session EEG data. Thus, this study aims at classifying existing raw EEG meditation data on single and multiple sessions to come up with meaningful inferences which will be highly beneficial when developing algorithms that can support meditation practices. In this analysis, data have been collected on Pre-Resting (before-meditation), Post-Resting (after-meditation), LKM-Self and LKM-Others for 32 participants and hence allowing us to conduct six pairwise comparisons for the four mind tasks. Common Spatial Patterns (CSP) is a feature extraction method widely used in motor imaginary brain computer interface (BCI), but not in meditation EEG data. Therefore, using CSP in extracting features from meditation EEG data and classifying meditation/non-meditation instances, particularly for multiple sessions will create a new path in future meditation EEG research. The classification was done using Linear Discriminant Analysis (LDA) where both meditation techniques (LKM-Self and LKM-Others) were compared with Pre-Resting and Post-Resting instances. The results show that for a single session of 32 participants, around 99.5% accuracy was obtained for classifying meditation/Pre-Resting instances. For the 15 participants when using five sessions of EEG data, around 83.6% accuracy was obtained for classifying meditation/Pre-Resting instances. The results demonstrate the ability to classify meditation/Pre-Resting data. Most importantly, this classification is possible for multiple session data as well. In addition to this, when comparing the classification accuracies of the six mind task pairs; LKM-Self, LKM-Others and Post-Resting produced relatively lower accuracies among them than the accuracies obtained for classifying Pre-Resting with the other three. This indicates that Pre-Resting has some features giving a better classification indicating that it is different from the other three mind tasks.

【 授权许可】

CC BY   
© Springer-Verlag GmbH Germany, part of Springer Nature 2023

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Fig. 6

40463_2023_661_Article_IEq10.gif

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