The aim of this study is to determine the effects and mechanisms of 1 x 20-min training in mindfulness meditation and self-hypnosis relative to an inert control. Participants will be randomly assigned to condition. The dual primary outcomes will be pre- to post-training changes in current pain intensity and pain unpleasantness. The active treatments are hypothesized to produce greater reductions in pain outcomes than the control. It is also hypothesized that change in mindfulness will be a mediator specific to mindfulness meditation, while change in affect and decentering will be mediators of the hypnosis condition. Moderators of response will also be explored.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
300
Participants in the mindfulness meditation condition will listen to a 20minute guided mindfulness meditation practice that holds the breath and body as the object of meditation.
Participants in self-hypnosis will listen to a 20-minute audio-guided hypnosis practice with an induction phase, followed by suggestions tailored towards shifts in affect and decentering, and then a re-alerting with post-hypnotic suggestions phase.
Control participants will listen to a 20-minute natural history recording which was chosen as past research has found that individuals who listen to it report this to be a neutral, but relaxing passage, and it has been used as an effective control condition in previous research.
The University of Queensland
Brisbane, Queensland, Australia
RECRUITINGCurrent pain intensity
Numerical rating scale ranging from 0-10
Time frame: Change from pre- (Time 1; start of survey) to post-20-min training (Time 2; following completion of the one, 20-min training)
Current pain unpleasantness
Numerical rating scale ranging from 0-10
Time frame: Change from pre- (Time 1; start of survey) to post-20-min training (Time 2; following completion of the one, 20-min training)
Mechanism: Mindfulness
State Mindfulness Scale with items ranging from 1-5
Time frame: Change from pre- (Time 1; start of survey) to post-20-min training (Time 2; following completion of the one, 20-min training)
Mechanism: Positive Affect
PANAS-X
Time frame: Change from pre- (Time 1; start of survey) to post-20-min training (Time 2; following completion of the one, 20-min training)
Mechanism: Decentering
State decentering MpoD-s
Time frame: Change from pre- (Time 1; start of survey) to post-20-min training (Time 2; following completion of the one, 20-min training)
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