Create or Upload Lesion Mask


This page allows you to trace lesions from inside the browser.
Zoom in to the brain image below. Then, click and drag to lasso regions that you would like to trace.
When you are finished, click the "Generate" button.



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  • Upload a lesion mask in NIfTI format (.nii.gz) to generate a network map.
  • Or create your own mask in the viewer and click the button below to generate a network map.