I have another question about the spin echo images, hopefully this will be my last question!
It turns out that we've been collecting our spin echo images with the "Invert RO/PE Polarity" option selected, which apparently inverts the phase encoding direction 180deg, but does not record this to the DICOM header. We've been collecting the EPI images without this inversion. So, for our data: EPI is A>>P "A>>P" SE is actually P>>A "P>>A" SE is actually A>>P Would we be able to use the spin echo correction if we simply switched the positive and negative images? So, would this work for our data? TaskList="task1" PhaseEncodeList="y-" ... SpinEchoPositiveImage="the P>>A labeled image (actually acquired A>>P)" SpinEchoNegativeImage="the A>>P labeled image (actually acquired P>>A)" -G _________________________________________________ Gregory Book Senior Technology Manager Olin Neuropsychiatry Research Center, Institute of Living, Hartford Hospital 200 Retreat Avenue Hartford, CT 06106 Tel: 860-545-7267 Fax: 860-545-7797 [email protected]<mailto:[email protected]> http://nidb.sourceforge.net This e-mail message, including any attachments, is for the sole use of the intended recipient(s) and may contain confidential and privileged information. Any unauthorized review, use, disclosure, or distribution is prohibited. If you are not the intended recipient, or an employee or agent responsible for delivering the message to the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message, including any attachments. _______________________________________________ HCP-Users mailing list [email protected] http://lists.humanconnectome.org/mailman/listinfo/hcp-users
