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Journal article

Physical and physiological consequences of passive intra-oral shimming.

Abstract:

Imaging the human orbitofrontal cortex (OFC) with fMRI is problematic due to the proximity of this region to the air-filled sinuses, which causes susceptibility artifacts. Placing a strongly diamagnetic material into the mouth ('mouthshim') of a human volunteer can significantly reduce the artifacts in this region. Using the same combined olfactory and visual fMRI paradigm, we compared brain activation and static B0 field maps of participants being scanned both with and without the 'mouthshim...

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Publication status:
Published

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Authors


Osterbauer, RA More by this author
Wilson, JL More by this author
Calvert, GA More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MSD, Clinical Neuroscience
Journal:
NeuroImage
Volume:
29
Issue:
1
Pages:
245-253
Publication date:
2006-01-05
DOI:
EISSN:
1095-9572
ISSN:
1053-8119
URN:
uuid:0de288ef-ccda-4639-95d9-4d8112a8a77b
Source identifiers:
242164
Local pid:
pubs:242164

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