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tools:mr_motion [2025/07/21 11:50] – willtools:mr_motion [2025/07/21 11:56] (current) – will
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 ====== MR Motion ====== ====== MR Motion ======
  
-Often measured with **framewise displacement** pulled from [[:tools:frmiprep]] during [[:tools:rsfmri]].  + 
-  +Also see  
-Also see [[:tools:motrak]]+  * [[: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]].  
 + 
 +===== 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"