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Hi Rujing Sorry for the late answer. These 2 labels correspond to the insula

The insula is divided by the central sulcus of the insula (S_cent_ins_) into long insular gyri (G_Ins_lg) and short insular gyri (G_insular_short).

Since the cortex lining the central sulcus of the insula was quite small, it has been grouped together with the the long insular gyri ( 'lh_G_Ins_lg&S_cent_ins_volume’)

If you are interested in the volume of the whole insula you need to add the volumes of these two anatomical classes.

For a complete list of anatomical classes and explanations on their anatomical meaning see : https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2937159/

Best

Christophe Destrieux, Unité iBrain UMRS INSERM U1253, Université de Tours https://ibrain.univ-tours.fr/ https://ibrain.univ-tours.fr/

Service de Neurochirurgie et Laboratoire d'Anatomie - Faculté de Médecine - 10 Bd Tonnellé - 37032 Tours - France tel (33) 2 47 36 61 36 - fax (33) 2 47 36 62 07

Le 21 nov. 2018 à 17:12, Bruce Fischl fischl@nmr.mgh.harvard.edu a écrit :

you are getting very popular!

---------- Forwarded message ---------- Date: Wed, 21 Nov 2018 14:30:13 +0800 From: charujing123 charujing123@163.com Reply-To: Freesurfer support list freesurfer@nmr.mgh.harvard.edu To: "freesurfer@nmr.mgh.harvard.edu" freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] 'lh_G_Ins_lg&S_cent_ins_volume' and 'lh_G_insular_short_volume'

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Hi, what is difference between and 'lh_G_insular_short_volume'. Are these both insula? Thanks. Rujing

2018-11-21

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