Describe CAT, MRI and ECG in brief.
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measures the electrical activity of our brain via electrodes that are placed on the scalp. It tells us, from the surface measurements, how active the brain is.
How does EEG work?
The brain is an electrical system – all of our thoughts (conscious or otherwise) are generated through a network of neurons, that send signals to each other with the help of electrical currents. The more electrical signals, the more neuronal communication, which corresponds to more brain activity.
What is MRI?
MRI (magnetic resonance imaging) provides a map of the brain – how it looks at a set moment in time.
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