The timing and magnitude of volunteer head motion has a significant impact on artefact level. It can therefore be difficult to reproduce motion correction results. Moreover, it is of interest to replicate patient motion retrospectively, in volunteers, to better understand the efficacy of a motion correction method. We attempt to solve this by stamping motion updates with a synchronisation “tag”. A rolling model is used to project the volunteer’s pose onto an MRI compatible display. The “tag” synchronised pose from a previous scan is then shown alongside the volunteer’s current pose, allowing them to track and hence reproduce the motion.
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