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tools:mr_motion [2025/07/21 11:53] – willtools:mr_motion [2025/07/21 11:56] (current) – will
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 ====== MR Motion ====== ====== MR Motion ======
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 +
 +Also see 
 +  * [[:tools:motrak]]
 +  * [[:tools:qc]]
 +
 +===== 4D Echo Planar Image =====
  
 Often measured with **framewise displacement** by measuring measure rotation and translation from one volume to the next. FD and raw rot and trans values are an output of [[:tools:frmiprep]]. Useful for all EPI, including dwi, task and [[:tools:rsfmri]].  Often measured with **framewise displacement** by measuring measure rotation and translation from one volume to the next. FD and raw rot and trans values are an output of [[:tools:frmiprep]]. Useful for all EPI, including dwi, task and [[:tools:rsfmri]]. 
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-Also see [[:tools:motrak]]+===== 3D ===== 
 + 
 +In images with a single image (MRSI, anatomical), there is nothing to compare the volume to. Motion still affects quality. In anatomical images this is visible as "ringing"