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Updated: May 14, 2026
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A Protocol for the Administration of Real-Time fMRI Neurofeedback Training
Published on: August 24, 2017
Upper alpha neurofeedback training over the motor cortex increases SMR desynchronization in motor tasks
Eduardo López-Larraz1, Carlos Escolano, Javier Minguez
1Instituto de Investigaciónen Ingeniería de Aragóon-I3A and Dpto. de Informática e Ingeniería de Sistemas-DIIS, Universidad de Zaragoza, Spain. edulop@unizar.es
Summary
Neurofeedback training of the upper alpha band can enhance sensorimotor rhythm (SMR) desynchronization. This technique improves brain-computer interface (BCI) performance for individuals with unreliable SMR patterns.
Area of Science:
- Neuroscience
- Biomedical Engineering
- Rehabilitation Technology
Background:
- Sensorimotor rhythm (SMR) desynchronization is crucial for brain-computer interface (BCI) operation.
- Reliable SMR desynchronization is challenging for BCI-naïve users and impaired in neurological conditions.
- Compromised SMR patterns limit BCI accessibility and efficacy.
Purpose of the Study:
- To propose and evaluate a neurofeedback intervention targeting the upper alpha band to enhance SMR desynchronization.
- To investigate the potential of upper alpha band neurofeedback to improve BCI control.
- To assess the feasibility of this intervention in healthy subjects.
Main Methods:
- A preliminary study involving five healthy participants was conducted.
- Participants underwent neurofeedback training to increase their upper alpha band power.
- Changes in SMR desynchronization and state discrimination were measured.
Main Results:
- Neurofeedback training successfully increased upper alpha band power in participants.
- Increased upper alpha power correlated with enhanced SMR desynchronization.
- Improved discrimination between motor task rest and execution states was observed.
Conclusions:
- Upper alpha band neurofeedback is a feasible intervention to improve SMR desynchronization.
- This approach shows promise for enhancing BCI performance in individuals with deficient SMR patterns.
- Further research is warranted to explore its therapeutic potential in clinical populations.
