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| Deletions are marked like this. | Additions are marked like this. |
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| see https://surfer.nmr.mgh.harvard.edu/fswiki/CorticalParcellation_Yeo2011 for example | |
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| This label was cytoarchitecturally-defined for perirhinal cortex (Brodmann's area 35). | |
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| you have three options for using these labels: | Perirhinal cortex (area 35) is located in the parahippocampal gyrus. Perirhinal area 35 usually sits on the medial bank of the collateral sulcus but also on the lateral bank of the rhinal sulcus anteriorly, if the rhinal sulcus is present. Using high-resolution ex vivo imaging, we mapped perirhinal cortex (area 35) onto a surface template. Two different resolutions were collected 1) a "standard" 1 mm isotropic scan and 2) a high resolution 100 um isotropic scan. The high resolution scan showed architectural features (lamina and boundaries) while the standard 1mm scan provided the surface template that works with FreeSurfer. This perirhinal label was validated with histological staining and thus cytoarchitecturally-defined for perirhinal cortex (Brodmann's area 35). See Augustinack JC et al, Neuroimage 2013 Jan 1;64:32-42. |
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| labels in freesurfer surface space are in subjects dir subj/label/?h.perirhinal.label | {{attachment:flatpconl2inflated2014.jpg}} |
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| instructions on how to view in freeview | == Where to find the perirhinal (cytoarchitectural-defined) labels == |
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| where to get stats on this label (../stats/$hemi.BA.stats) | The labels are in freesurfer surface space and located in subjects dir subj/label/?h.perirhinal.label |
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| already in freesurfer 5.3 | See instructions on how to view in freeview |
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| label in volume space | To generate stats on this label (../stats/$hemi.BA.stats) |
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| mapping surface label to subjects volume space | This label is available in freesurfer 5.3 |
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| will be available in v6 | |
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| or if you have freesurfer, run this to map from surface space to volume space and then this is how you view it. label in fsaverage volume space [[attachment:perirhinal_fsaverage.nii]] label in mni152 volume space [[attachment:perirhinal_mni152.nii]] |
Perirhinal Cortex
Perirhinal cortex (area 35) is located in the parahippocampal gyrus. Perirhinal area 35 usually sits on the medial bank of the collateral sulcus but also on the lateral bank of the rhinal sulcus anteriorly, if the rhinal sulcus is present. Using high-resolution ex vivo imaging, we mapped perirhinal cortex (area 35) onto a surface template. Two different resolutions were collected 1) a "standard" 1 mm isotropic scan and 2) a high resolution 100 um isotropic scan. The high resolution scan showed architectural features (lamina and boundaries) while the standard 1mm scan provided the surface template that works with FreeSurfer. This perirhinal label was validated with histological staining and thus cytoarchitecturally-defined for perirhinal cortex (Brodmann's area 35). See Augustinack JC et al, Neuroimage 2013 Jan 1;64:32-42.
Where to find the perirhinal (cytoarchitectural-defined) labels
The labels are in freesurfer surface space and located in subjects dir subj/label/?h.perirhinal.label
See instructions on how to view in freeview
To generate stats on this label (../stats/$hemi.BA.stats)
This label is available in freesurfer 5.3