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by nabla9 2426 days ago
Usually the fall asleep in the machine.

- People selected don't have sleeping disorders. They must abstain from caffeine and stimulants 24 hours before test.

- Sleep deprivation may be used.

- Ear plugs, active noise cancelation, possibly polyurethane hood in magnet bore

- lower spatial resolution and slower gradient switching speed

When you take measures outside MRI, you may have to play the MRI sound to get comparable results.