Dear Manuela,
> Hi Jesper,
>
> thanks for the quick reply, unfortunately they are already present in the original images, anything I can do to fix it ?
> A lot of my resting-state images has them..
I am not really sure what they are. They look like they are mainly in areas where there is an appreciable off-resonance field, but they have a funny looking asymmetry to them. What direction is your phase encoding in? Do you do any distortion correction, and if so how?
Jesper
>
> Cheers,
>
> Manuela
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