This study compares within- and across-site reproducibility of 7 Tesla somatomotor fMRI using a travelling wave task to map the hand and individual digit localization at high spatial resolution. We performed a “travelling-heads” study acquiring data on Siemens Magnetom, Siemens Terra and Philips Achieva whole-body 7 Tesla MRI systems at five sites. Simple harmonization of the EPI sequence protocol was performed. We show metrics of intra- and inter-site variability of digit representations, with good reproducibility observed across sites. These results demonstrate the potential benefits of multi-site 7T fMRI studies for digit mapping where large cohorts are required.
How to access this content:
For one year after publication, abstracts and videos are only open to registrants of this annual meeting. Registrants should use their existing login information. Non-registrant access can be purchased via the ISMRM E-Library.
After one year, current ISMRM & ISMRT members get free access to both the abstracts and videos. Non-members and non-registrants must purchase access via the ISMRM E-Library.
After two years, the meeting proceedings (abstracts) are opened to the public and require no login information. Videos remain behind password for access by members, registrants and E-Library customers.
Keywords