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Adverse Effects of Meditation: Autonomic Nervous System Activation and Individual Nauseous Responses During Samadhi Meditation in the Czech Republic
S. Kotherová, J. Cigán, L. Štěpánková, M. Vyskočilová, S. Littnerová, A. Ejova, M. Sepši
Language English Country United States
Document type Journal Article, Observational Study
Grant support
IGA_FF_2022_036
Ministerstvo Školství, Mládeže a Tělovýchovy
FNBr
Ministerstvo Zdravotnictví Ceské Republiky
65269705
Ministerstvo Zdravotnictví Ceské Republiky
NLK
ProQuest Central
from 1997-03-01 to 1 year ago
Medline Complete (EBSCOhost)
from 2008-03-01 to 1 year ago
Health & Medicine (ProQuest)
from 1997-03-01 to 1 year ago
Psychology Database (ProQuest)
from 1997-03-01 to 1 year ago
Public Health Database (ProQuest)
from 1997-03-01 to 1 year ago
- MeSH
- Autonomic Nervous System * physiology physiopathology MeSH
- Adult MeSH
- Humans MeSH
- Meditation * psychology MeSH
- Young Adult MeSH
- Nausea * psychology MeSH
- Heart Rate * physiology MeSH
- Check Tag
- Adult MeSH
- Humans MeSH
- Young Adult MeSH
- Male MeSH
- Female MeSH
- Publication type
- Journal Article MeSH
- Observational Study MeSH
- Geographicals
- Czech Republic MeSH
Buddhist meditation practices, including Samadhi meditation, which forms the basis for mindfulness practice, are broadly promoted as pathways to wellbeing, but evidence of their adverse effects is emerging. In a single-group observational study with assessments of autonomic system before, during, and after Samadhi meditation, we explore the relationship between post-meditation nausea symptoms and the degree of change in autonomic system activity during meditation as compared to before and after in 57 university students (42 women; mean age = 22.6) without any previous experience in meditation or yoga practices. We hypothesize that nauseous feelings in meditation are connected to a rapid increase of activity in the sympathetic nervous system, as indicated by decreased heart-rate variability (HRV). We additionally explore links between meditation-induced nausea and two markers of parasympathetic activity: increased HRV and vasovagal syncope. Engaging in meditation and increased nausea during meditation were both associated with increased markers of HRV parasympathetic activity, but 12 individuals with markedly higher nausea demonstrated increased HRV markers of sympathetic activity during meditation. Vasovagal syncope was observed but found to be unrelated to nausea levels. Drivers of adverse effects of meditation in some individuals require further investigation.
Department of Internal Medicine and Cardiology University Hospital Brno Brno Czech Republic
Department of Psychology Faculty of Social Studies Masaryk University Brno Czech Republic
Institute of Biostatistics and Analyses Faculty of Medicine Masaryk University Brno Czech Republic
References provided by Crossref.org
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- $a Kotherová, Silvie $u Department of Sociology, Andragogy and Cultural Anthropology, Palacký University Olomouc, Olomouc, Czech Republic $1 https://orcid.org/0000000179527697 $7 mub2014852290
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- $a Buddhist meditation practices, including Samadhi meditation, which forms the basis for mindfulness practice, are broadly promoted as pathways to wellbeing, but evidence of their adverse effects is emerging. In a single-group observational study with assessments of autonomic system before, during, and after Samadhi meditation, we explore the relationship between post-meditation nausea symptoms and the degree of change in autonomic system activity during meditation as compared to before and after in 57 university students (42 women; mean age = 22.6) without any previous experience in meditation or yoga practices. We hypothesize that nauseous feelings in meditation are connected to a rapid increase of activity in the sympathetic nervous system, as indicated by decreased heart-rate variability (HRV). We additionally explore links between meditation-induced nausea and two markers of parasympathetic activity: increased HRV and vasovagal syncope. Engaging in meditation and increased nausea during meditation were both associated with increased markers of HRV parasympathetic activity, but 12 individuals with markedly higher nausea demonstrated increased HRV markers of sympathetic activity during meditation. Vasovagal syncope was observed but found to be unrelated to nausea levels. Drivers of adverse effects of meditation in some individuals require further investigation.
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