UsingTheSilentSequence - MRC CBU Imaging Wiki

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Main title

Several issues were encountered with using the Quiet EPI.

Artifacts

* Dropout * Distortion (Some squashing of the brain. Similar to old Brooker data) * Wrap around (in some cases the nose ended up at the back of the brain) * Ghosting (in the form of streaks of image at the back of the head. Also there is what looks like tiger stripes on the brain surface, around the edges.) * High inter-subject variability in the data quality (in two different datasets, the subject acquired earlier in time had worse data than the later subject)

Stuff