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A Protocol for the Administration of Real-Time fMRI Neurofeedback Training
Published on: August 24, 2017
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Intermittent compared to continuous real-time fMRI neurofeedback boosts control over amygdala activation
Lydia Hellrung1, Anja Dietrich2, Maurice Hollmann2
1Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany; Laboratory for Social and Neural Systems Research, Department of Economics, University of Zurich, Zurich, Switzerland.
Neuroimage
|November 5, 2017
Summary
Learning to control brain activity with real-time fMRI neurofeedback is possible. Intermittent feedback, rather than continuous, significantly improved amygdala regulation and task engagement, showing it
Area of Science:
- Neuroscience
- Cognitive Psychology
- Neuroimaging
Background:
- Real-time fMRI neurofeedback enables volitional brain activity regulation.
- Continuous feedback, common in studies, may hinder learning due to delays and cognitive load.
Purpose of the Study:
- To compare the effectiveness of continuous vs. intermittent fMRI neurofeedback for amygdala regulation.
- To investigate the role of feedback presentation in learning volitional brain control.
Main Methods:
- Three groups: continuous feedback, intermittent feedback, and no feedback.
- Participants regulated amygdala activity using positive memories and feelings.
- Behavioral measures assessed task engagement.
Main Results:
- No learning occurred in the no-feedback group.
- Intermittent feedback group showed superior amygdala regulation compared to continuous feedback.
- Differences in task engagement correlated with feedback effectiveness.
Conclusions:
- Feedback presentation is essential for learning volitional brain activity control.
- Intermittent fMRI neurofeedback is more effective than continuous feedback for amygdala regulation.
- Optimizing feedback schedules enhances neurofeedback training efficacy.
