Low Beta/SMR SMR is the frequency above alpha in the sensorimotor cortex, between C3 and C4. In adults, alpha is expected to have its peak at 10 Hz, in a band from 8-12 Hz, so SMR is likely to be around 12-15 Hz. In children of 8 years, the peak alpha frequency is often around 8 (perhaps lower in children who are behind the developmental curve, as most ADHD people are), so the alpha band might be closer to 6.5-9.5 […]
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