Why the study?
Do different meditative states described in yoga texts alter autonomic and respiratory variables in healthy male volunteers?
Population
30 healthy male volunteers, mean age 29.1 ± 5.1 years
Comparison
Four mental states described in traditional yoga… vs Baseline and post-state for each mental state
Design
Other
Follow-up
20 minutes per state
Authors
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May enhance vagal tone during dhyana in healthy men; hypothesis-generating and should not yet change practice.
Do different meditative states described in yoga texts alter autonomic and respiratory variables in healthy male volunteers?
Effortless meditation (dhyana) is associated with significant reductions in sympathetic activity and increases in vagal tone compared to baseline.
Telles et al. (2012) studied this question.
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