Hi Bruce,

It was a topological defect. I found it after looking harder. My bad.

Hi Chris

It sounds like a topological defect, but hard to say without seeing it. Can you post some images? Or follow Doug’s instructions about visualizing the defects and see if there is one in the sulcus you mention below?

Cheers

Bruce

Dr Chris Adamson
Research Officer, Developmental Imaging, Murdoch Childrens Research Institute
Murdoch Childrens Research Institute
Royal Children’s Hospital
Flemington Road, Parkville, Victoria 3052, Australia
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