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A member asked:
Does eeg on brain show if i had a stroke?
7 doctors weighed in across 2 answers
Depends: A large stroke that involves the outer layer of the brain (cortex) can cause enough depression of the electrical activity that this will be detectable on an eeg. Due to the somewhat limited space resolution (think that there are only about 10 electrodes per head side or so) a very small amount of no functioning brain tissue (stroke) is difficult to detect. An eeg is not the test of choice for this.
Answered 4/14/2018
5k views
Best is imaging: An eeg is somewhat crude and imprecise, and does not demonstrate well many small and focalized lesions. Better to do MRI and provide direct visual signs of dysfunction.
Answered 4/14/2018
5k views
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