Neurofeedback protocols for depression typically focus on increasing brain activity in the left frontal lobe(10). Many people with depression have elevated alpha (8-12Hz) activity in the left frontal lobe, which can suppress faster brain waves necessary for increased brain activation(10). The left frontal lobe is associated with positive emotions and approach behavior, so a decrease of activity here can cause a person to focus less on positive emotions and more on negative emotions and withdrawal behavior(11-12). While decreasing left frontal alpha is the most common protocol for depression, neurofeedback protocol will be based heavily on one’s qEEG brain map, behavioral assessment, and neurofeedback consultation.
Common EEG Abnormalities in Depression:
- More alpha (8-12Hz) activity in the left frontal lobe compared to the right frontal lobe(3)
- Increased theta to beta ratio in the frontal lobe(3)
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