Key result
Hypnotic suggestion of relaxation decreased pulmonary ventilation and imagined work increased it, but actual oxygen uptake remained almost unaffected due to compensatory changes.
Why the study?
Does hypnotic suggestion alter respiratory function compared to waking state suggestions?
Population
20 subjects (10 in hypnotic group, 10 in control group)
Comparison
Hypnotic suggestion of relaxation and hypnotic… vs Same suggestions given in the waking state
Design
Other
Authors
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May alter ventilation without changing O2 uptake; hypothesis-generating and should not yet change practice.
Does hypnotic suggestion alter respiratory function compared to waking state suggestions?
Hypnotic suggestion can alter pulmonary ventilation, but compensatory mechanisms maintain stable oxygen uptake.
Agosti et al. (1965) studied this question. Hypnotic suggestion (relaxation and imagined muscular work) vs. Waking state suggestions (control) was evaluated on Respiratory indices (pulmonary ventilation and oxygen uptake). Hypnotic suggestion of relaxation decreased pulmonary ventilation and imagined work increased it, but actual oxygen uptake remained almost unaffected due to compensatory changes.
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