Neurocognitive and somatic components of temperature increases during g-tummo meditation: legend and reality.

Stories of g-tummo meditators mysteriously able to dry wet sheets wrapped around their naked bodies during a frigid Himalayan ceremony have intrigued scholars and laypersons alike for a century. Study 1 was conducted in remote monasteries of eastern Tibet with expert meditators performing g-tummo pr...

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Autores principales:	Maria Kozhevnikov, James Elliott, Jennifer Shephard, Klaus Gramann
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/23f173ec5032446eabde02f5c3da66c8
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spelling	oai:doaj.org-article:23f173ec5032446eabde02f5c3da66c82021-11-18T07:51:26ZNeurocognitive and somatic components of temperature increases during g-tummo meditation: legend and reality.1932-620310.1371/journal.pone.0058244https://doaj.org/article/23f173ec5032446eabde02f5c3da66c82013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23555572/?tool=EBIhttps://doaj.org/toc/1932-6203Stories of g-tummo meditators mysteriously able to dry wet sheets wrapped around their naked bodies during a frigid Himalayan ceremony have intrigued scholars and laypersons alike for a century. Study 1 was conducted in remote monasteries of eastern Tibet with expert meditators performing g-tummo practices while their axillary temperature and electroencephalographic (EEG) activity were measured. Study 2 was conducted with Western participants (a non-meditator control group) instructed to use the somatic component of the g-tummo practice (vase breathing) without utilization of meditative visualization. Reliable increases in axillary temperature from normal to slight or moderate fever zone (up to 38.3°C) were observed among meditators only during the Forceful Breath type of g-tummo meditation accompanied by increases in alpha, beta, and gamma power. The magnitude of the temperature increases significantly correlated with the increases in alpha power during Forceful Breath meditation. The findings indicate that there are two factors affecting temperature increase. The first is the somatic component which causes thermogenesis, while the second is the neurocognitive component (meditative visualization) that aids in sustaining temperature increases for longer periods. Without meditative visualization, both meditators and non-meditators were capable of using the Forceful Breath vase breathing only for a limited time, resulting in limited temperature increases in the range of normal body temperature. Overall, the results suggest that specific aspects of the g-tummo technique might help non-meditators learn how to regulate their body temperature, which has implications for improving health and regulating cognitive performance.Maria KozhevnikovJames ElliottJennifer ShephardKlaus GramannPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 3, p e58244 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Maria Kozhevnikov James Elliott Jennifer Shephard Klaus Gramann Neurocognitive and somatic components of temperature increases during g-tummo meditation: legend and reality.
description	Stories of g-tummo meditators mysteriously able to dry wet sheets wrapped around their naked bodies during a frigid Himalayan ceremony have intrigued scholars and laypersons alike for a century. Study 1 was conducted in remote monasteries of eastern Tibet with expert meditators performing g-tummo practices while their axillary temperature and electroencephalographic (EEG) activity were measured. Study 2 was conducted with Western participants (a non-meditator control group) instructed to use the somatic component of the g-tummo practice (vase breathing) without utilization of meditative visualization. Reliable increases in axillary temperature from normal to slight or moderate fever zone (up to 38.3°C) were observed among meditators only during the Forceful Breath type of g-tummo meditation accompanied by increases in alpha, beta, and gamma power. The magnitude of the temperature increases significantly correlated with the increases in alpha power during Forceful Breath meditation. The findings indicate that there are two factors affecting temperature increase. The first is the somatic component which causes thermogenesis, while the second is the neurocognitive component (meditative visualization) that aids in sustaining temperature increases for longer periods. Without meditative visualization, both meditators and non-meditators were capable of using the Forceful Breath vase breathing only for a limited time, resulting in limited temperature increases in the range of normal body temperature. Overall, the results suggest that specific aspects of the g-tummo technique might help non-meditators learn how to regulate their body temperature, which has implications for improving health and regulating cognitive performance.
format	article
author	Maria Kozhevnikov James Elliott Jennifer Shephard Klaus Gramann
author_facet	Maria Kozhevnikov James Elliott Jennifer Shephard Klaus Gramann
author_sort	Maria Kozhevnikov
title	Neurocognitive and somatic components of temperature increases during g-tummo meditation: legend and reality.
title_short	Neurocognitive and somatic components of temperature increases during g-tummo meditation: legend and reality.
title_full	Neurocognitive and somatic components of temperature increases during g-tummo meditation: legend and reality.
title_fullStr	Neurocognitive and somatic components of temperature increases during g-tummo meditation: legend and reality.
title_full_unstemmed	Neurocognitive and somatic components of temperature increases during g-tummo meditation: legend and reality.
title_sort	neurocognitive and somatic components of temperature increases during g-tummo meditation: legend and reality.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/23f173ec5032446eabde02f5c3da66c8
work_keys_str_mv	AT mariakozhevnikov neurocognitiveandsomaticcomponentsoftemperatureincreasesduringgtummomeditationlegendandreality AT jameselliott neurocognitiveandsomaticcomponentsoftemperatureincreasesduringgtummomeditationlegendandreality AT jennifershephard neurocognitiveandsomaticcomponentsoftemperatureincreasesduringgtummomeditationlegendandreality AT klausgramann neurocognitiveandsomaticcomponentsoftemperatureincreasesduringgtummomeditationlegendandreality
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Neurocognitive and somatic components of temperature increases during g-tummo meditation: legend and reality.

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