How does an electroencephalograph (EEG) work?

It records the electrical impulses of the neurons in the brain as they connect to create thoughts. This video shows how a normal electroencephalograph used in a hospital works. The man is sedated, lying down and worrying about whether he has a terminal illness. The eeg can tell whether or not there is a real physiological problem. A tumour for example. It can not tell if the damage is electrical. And, most importantly, it can not tell what the thought processes are. The Alphalearning Institute, under the

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