Training the Amygdala with Real-Time fMRI Neurofeedback
Author Information
Author(s): Zotev Vadim, Krueger Frank, Phillips Raquel, Alvarez Ruben P., Simmons W. Kyle, Bellgowan Patrick, Drevets Wayne C., Bodurka Jerzy
Primary Institution: Laureate Institute for Brain Research, Tulsa, Oklahoma, United States of America
Hypothesis
Can healthy individuals learn to control and voluntarily regulate the BOLD activity in their left amygdala using real-time fMRI neurofeedback?
Conclusion
Healthy subjects can learn to regulate their amygdala activation using rtfMRI neurofeedback, suggesting potential applications in treating neuropsychiatric disorders.
Supporting Evidence
- Participants in the experimental group showed a significant increase in BOLD signal in the left amygdala compared to the control group.
- The training effect on the left amygdala BOLD activity correlated inversely with scores on the Difficulty Identifying Feelings subscale of the Toronto Alexithymia Scale.
- Functional connectivity analysis revealed significant correlations in a fronto-temporo-limbic network.
- The training effect persisted during the Transfer run without neurofeedback.
- Participants were able to recall happy memories to increase their amygdala activity.
Takeaway
This study shows that people can learn to control their brain activity in the amygdala by thinking about happy memories while getting real-time feedback from an MRI machine.
Methodology
Participants were trained to increase BOLD activity in the left amygdala using real-time fMRI neurofeedback while recalling positive autobiographical memories.
Potential Biases
Potential variability in individual performance due to factors like learning ability and motivation.
Limitations
The study did not independently assess participants' actual emotional experiences during the neurofeedback training.
Participant Demographics
Twenty-eight right-handed, medically and psychiatrically healthy male volunteers, average age 28.0 years.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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