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Relationship between QEEG relative power and hypnotic susceptibility
D D Montgomery1, K V Dwyer, S M Kelly
1Nova Southeastern University, Center for Psychological Studies, Fort Lauderdale, FL 33314-7796, USA.
The American Journal of Clinical Hypnosis
|July 27, 2000
Summary
Quantitative electroencephalography (QEEG) measures show potential links to hypnotic susceptibility. Higher theta relative amplitude correlated with greater hypnotizability, while alpha relative amplitude and power correlated with lower hypnotizability.
Area of Science:
- Neuroscience
- Psychology
- Quantitative Electroencephalography (QEEG)
Background:
- Hypnotic susceptibility is a trait that varies among individuals.
- Understanding the neurophysiological correlates of hypnosis can enhance research.
- Quantitative electroencephalography (QEEG) offers a method to measure brain activity patterns.
Purpose of the Study:
- To explore the relationship between QEEG measures (relative amplitude and power) and hypnotic susceptibility.
Main Methods:
- Hypnotic susceptibility was assessed using the Wickramasekera Experience Inventory.
- Quantitative electroencephalography (QEEG) was employed to measure brainwave activity.
- Statistical analyses examined correlations between QEEG metrics and hypnotic susceptibility scores.
Main Results:
- A positive correlation was observed between QEEG theta relative amplitude and hypnotic susceptibility (r = 0.260, p < .10).
- Negative correlations were found between QEEG alpha relative amplitude and hypnotic susceptibility (r = -0.323, p < .05).
- A significant negative correlation was also identified between QEEG alpha relative power and hypnotic susceptibility (r = -0.322, p < .05).
Conclusions:
- QEEG relative amplitude and relative power are potential neurophysiological correlates of hypnotic susceptibility.
- These findings suggest QEEG may serve as a valuable tool in future research on hypnosis.
- Further investigation into QEEG markers could deepen our understanding of hypnotic phenomena.