External Email - Use Caution Hi Philipp,
Thank you very much! This was very helpful! Best, Yiota On Mon, Jun 21, 2021 at 3:38 PM Saemann, Philipp <saem...@psych.mpg.de> wrote: > External Email - Use Caution > > Hello Yiota, > > > the whole hippocampus value is a sum of all subregions except for the > hippocampal fissure - best try to reproduce this in an example. > > > The recon-all pipeline also delivers a total hippocampal volume, but it is > an entity/result of its own and produced independently of > > the subfield segmentation. It indirectly also contains areas that in the > subfield segmentation would go to the fissure. > > > There is several papers out that compared the two, generally the subfield > based sum value is considered more reliable. > > > Best, > > Philipp > > > ------------------------------ > *Von:* freesurfer-boun...@nmr.mgh.harvard.edu < > freesurfer-boun...@nmr.mgh.harvard.edu> im Auftrag von Panayiota Ventura < > panayiota.vent...@gmail.com> > *Gesendet:* Montag, 21. Juni 2021 21:27 > *An:* freesurfer@nmr.mgh.harvard.edu > *Betreff:* [Freesurfer] Hippocampal Subfields/ASEG > > > External Email - Use Caution > > Hello, > > I have a couple of questions concerning the hippocampal subfield > extractions as well as the hippocampus extraction included in ASEG. I have > looked around and tried to find as much information as possible about the > two but I can't seem to find a clear answer. I'm hoping someone can help me > out with this. > > 1. In the hippocampal subfields extraction, one of the labels is called > "whole hippocampus". I would like to know what exactly is meant by that? In > other words, what hippocampal regions are included in this "whole > hippocampus" label? > > 2. The ASEG atlas also includes a hippocampus extraction. However this > value is different from that of the hippocampal subfield extraction. What > hippocampal regions are being included in this hippocampal extraction. > > 3. Which of the two would be a better estimate of hippocampal volume? > > Thank you for your time and help! > > Kind regards, > > Yiota Ventura > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://secure-web.cisco.com/1VaDYO8hN8Hm_MLbUNXDXjwL0rBdB2HHV1ucL36QnxZi5NyQD1ubqUWePGA93f4WZT2zKjQZshGeivpH4ESlRM5RRydav-5_8l7cer5dXNK4qPGtWt422G1JzT-j9oGaamlSbGJM3sUJaMI7hWVgVeqZ0XvRswXKG6wY2TE-0Hvr4QMI2wGU4p-qCxG6kw34C0QzVZvjdSGHXcZGT524sODiFdKQQR5eVEg_qjJK7CLriA21hVBny10c8vSgl9CnBxvi26Swol01DN-sp5zYOIg/https%3A%2F%2Fmail.nmr.mgh.harvard.edu%2Fmailman%2Flistinfo%2Ffreesurfer
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