Hello pt!
Thank you for your answer that will really help!
Here is an example of the kind of image that I am working with:
Indeed, I was already using -cost lpa+ZZ that is actually working fine on half of the images. lpc+zz and nmi doesn't work at all.
I am confident that changing the epi strip parameters might help!
I will let you know
Thank you for explaining align_epi_strip_method,
I was also confused when I saw in the align_epi_anat command had two epi strip methods.