I had 2 seizure-like experience. Having EEG & MRI done. What's the difference?

Anyone know anything about this? Waves of radiating pain go through my body along with the chills, muscle spasms, dizziness, throat feels like its closing, dry-heaving and vomiting. Any experience with this. I also had some bloodwork done.
Answer:
An eeg meaures the electrical activity of the brain. They place electrodes on the head.
An MRI gives a picture, somewhat like a CT scan but with better definition. It can detect anatomical landmarks and abnormalities.

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