Sensorimotor rhythm (SMR) is a type of brainwave activity that is typically associated with states of relaxed alertness and focused attention. It is primarily recorded in the frequency range of 12 to 15 Hz using electroencephalography (EEG), and is most prominently observed over the central and parietal regions of the brain. SMR is often linked to the maintenance of a calm and attentive state while reducing unnecessary movement and sensory interference.
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