An initial investigation of neural changes in overweight adults with food cravings after emotional freedom techniques

Peta Berenice Stapleton, Craig Buchan, Ian Mitchell, Yasmin McGrath, Paul Gorton, Brett Carter

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Abstract

Background: This pilot randomised clinical trial investigated the effect of Clinical Emotional Freedom Techniques (EFT) on brain activation in response to food craving stimuli using functional magnetic resonance imaging. EFT is a brief stress reduction technique which involves stating a cognitive statement with stimulation of acupressure points with a tapping technique.

Method: Fifteen overweight/obese adults were allocated to a four-week group EFT treatment or control condition and completed a measure of food craving. Random repeating images of high-calorie food designed to engage parts of the brain were presented during the pre and post fMRI scans.

Results: The Group x Time interaction for food cravings were significant for the EFT group when compared to the controls. Participant mean scores decreased by 18% for the EFT group and 5% for the control group. Brain activity was mapped using fMRI measures, and there was relative deactivation in the Superior Temporal Gyrus and lateral orbito-frontal cortex for the EFT treatment group only. The control group however, showed continued activation in these areas.

Conclusion: The findings indicated EFT may decrease limbic region brain activity and reduce food related symptoms in overweight/obese individuals. This study also illuminates the neurological mechanisms at work behind the many successful outcome studies of EFT for weight loss. Recommendations for more comprehensive trials are discussed.
Original languageEnglish
JournalOBM Integrative and Complementary Medicine
Volume4
Issue number1
DOIs
Publication statusPublished - 15 Feb 2019

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Food
Magnetic Resonance Imaging
Brain
Acupressure
Food-Drug Interactions
Control Groups
Craving
Frontal Lobe
Temporal Lobe
Weight Loss
Randomized Controlled Trials
Outcome Assessment (Health Care)
Therapeutics

Cite this

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title = "An initial investigation of neural changes in overweight adults with food cravings after emotional freedom techniques",
abstract = "Background: This pilot randomised clinical trial investigated the effect of Clinical Emotional Freedom Techniques (EFT) on brain activation in response to food craving stimuli using functional magnetic resonance imaging. EFT is a brief stress reduction technique which involves stating a cognitive statement with stimulation of acupressure points with a tapping technique.Method: Fifteen overweight/obese adults were allocated to a four-week group EFT treatment or control condition and completed a measure of food craving. Random repeating images of high-calorie food designed to engage parts of the brain were presented during the pre and post fMRI scans.Results: The Group x Time interaction for food cravings were significant for the EFT group when compared to the controls. Participant mean scores decreased by 18{\%} for the EFT group and 5{\%} for the control group. Brain activity was mapped using fMRI measures, and there was relative deactivation in the Superior Temporal Gyrus and lateral orbito-frontal cortex for the EFT treatment group only. The control group however, showed continued activation in these areas.Conclusion: The findings indicated EFT may decrease limbic region brain activity and reduce food related symptoms in overweight/obese individuals. This study also illuminates the neurological mechanisms at work behind the many successful outcome studies of EFT for weight loss. Recommendations for more comprehensive trials are discussed.",
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An initial investigation of neural changes in overweight adults with food cravings after emotional freedom techniques. / Stapleton, Peta Berenice; Buchan, Craig; Mitchell, Ian; McGrath, Yasmin; Gorton, Paul; Carter, Brett.

In: OBM Integrative and Complementary Medicine, Vol. 4, No. 1, 15.02.2019.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Gorton, Paul

AU - Carter, Brett

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N2 - Background: This pilot randomised clinical trial investigated the effect of Clinical Emotional Freedom Techniques (EFT) on brain activation in response to food craving stimuli using functional magnetic resonance imaging. EFT is a brief stress reduction technique which involves stating a cognitive statement with stimulation of acupressure points with a tapping technique.Method: Fifteen overweight/obese adults were allocated to a four-week group EFT treatment or control condition and completed a measure of food craving. Random repeating images of high-calorie food designed to engage parts of the brain were presented during the pre and post fMRI scans.Results: The Group x Time interaction for food cravings were significant for the EFT group when compared to the controls. Participant mean scores decreased by 18% for the EFT group and 5% for the control group. Brain activity was mapped using fMRI measures, and there was relative deactivation in the Superior Temporal Gyrus and lateral orbito-frontal cortex for the EFT treatment group only. The control group however, showed continued activation in these areas.Conclusion: The findings indicated EFT may decrease limbic region brain activity and reduce food related symptoms in overweight/obese individuals. This study also illuminates the neurological mechanisms at work behind the many successful outcome studies of EFT for weight loss. Recommendations for more comprehensive trials are discussed.

AB - Background: This pilot randomised clinical trial investigated the effect of Clinical Emotional Freedom Techniques (EFT) on brain activation in response to food craving stimuli using functional magnetic resonance imaging. EFT is a brief stress reduction technique which involves stating a cognitive statement with stimulation of acupressure points with a tapping technique.Method: Fifteen overweight/obese adults were allocated to a four-week group EFT treatment or control condition and completed a measure of food craving. Random repeating images of high-calorie food designed to engage parts of the brain were presented during the pre and post fMRI scans.Results: The Group x Time interaction for food cravings were significant for the EFT group when compared to the controls. Participant mean scores decreased by 18% for the EFT group and 5% for the control group. Brain activity was mapped using fMRI measures, and there was relative deactivation in the Superior Temporal Gyrus and lateral orbito-frontal cortex for the EFT treatment group only. The control group however, showed continued activation in these areas.Conclusion: The findings indicated EFT may decrease limbic region brain activity and reduce food related symptoms in overweight/obese individuals. This study also illuminates the neurological mechanisms at work behind the many successful outcome studies of EFT for weight loss. Recommendations for more comprehensive trials are discussed.

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