A gentle method for unlocking the mysteries of the deep brain

Serious diseases are directly linked to the subcortical areas of the brain. Existing treatments for regulating and measuring the activity of the subcortical areas are highly invasive. Researchers have decided to see whether a noninvasive method — electroencephalography — could be employed in tandem with mathematical algorithms to measure this brain activity externally. They proved for the first time that this technique is able to record signals usually only seen by implanting electrodes in the brain.

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