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There's some reason to believe it's because the field interacts with the inner ear:

https://www.hopkinsmedicine.org/news/media/releases/johns_ho...

https://pubmed.ncbi.nlm.nih.gov/30969883/

Realistically, you will only be in a 7T or higher scanner if you a) sign up for a research study or b) really need it. There aren't that many of them!

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I had the pleasure of being a test subject for my local hospital’s new 7T last week. They strapped my head down to the table and I was only able to listen to the intermittent “DO-DO-DO-DO” of the machine, while a mirrored television played 15 minute aerial footage of Norway’s fjords on repeat for an hour. Reminded me a little of the brainwashing scene from A Clockwork Orange.

The radiology report said, “No significant incidental findings identified,” so that’s good at least.

Wow, that's really nice of you to help your hospital get the bugs worked out on the new machine. Did you experience any heating? If so was it in your dental fillings?

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