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Question Posted 06/29/16:
Hi ADNI experts,

I noticed that it appears the ears are pressed against the head in the MRI scans.

I checked the MRI Technical Procedures Manual, and it states "Provide each subject with ear protection." and "Once subject has been positioned, place sponges along the sides of head and a Velcro strap across forehead (if available) for stabilizing support and reduction of motion.", which could sound as if this will cause what I have observed.

Can you confirm that it is generaly the case that ears are pressed against the head?


Response posted 06/30/16 by ADNI MRI Core:
Thank you for your question to the ADNI MRI Core.

Yes, many subject do have padding next to their ears which would cause them to press again their head. In addition to extra protection from scanner noise, this is also to ensure that subjects can remain as still as possible for the imaging session.

Thank you.

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