Published October 5, 2022 | Version 1.0
Dataset Open

Ginkgo Chauvel's left and right superficial white matter atlas of the chimpanzee brain

  • 1. Université Paris-Saclay, CEA, CNRS, UMR 9027, BAOBAB, NeuroSpin, Gif-sur-Yvette, France
  • 2. Department of Comparative Medicine, Michale E Keeling Center for Comparative Medicine and Research, The University of Texas MD Anderson Cancer Center, Bastrop, Texas


Superficial Chauvel's chimpanzee white matter atlas.

The left and right superficial white matter atlas of the chimpanzee brain was built upon a cohort of 39 in vivo chimpanzees magnetic resonance imaging (MRI) scans shared by the Pr. William D. Hopkins, registered on a template space (Juna.chimp template from Vickery et al. 2020). The construction of this atlas is based on the analysis of the anatomical and diffusion MRI dataset using the  tractography and fiber clustering tools available from the Ginkgo toolbox (CEA, NeuroSpin, BAOBAB, GAIA, Ginkgo Team, The atlas can be visualized using the BrainVISA/Anatomist viewer available at

The left hemisphere atlas is composed of 422 superficial white matter bundles and the right hemisphere atlas of 400 superficial white matter bundles.

The 38 cortical regions considered for the left and right hemispheres were : the anterior/middle/posterior superior frontal gyrus (aSFG/mSFG/pSFG) ; the anterior and posterior middle frontal gyrus (aMFG/pMFG) ; the anterior/middle/posterior inferior frontal gyrus (aIFG/mIFG/pIFG) ; the medial lateral orbitofrontal cortex (mOFC/ lOFC) ; the superior, middle, inferior precentral gyrus (sPrCG / mPrCG / iPrCG) ; the Paracentral Lobule (PCL) ; the anterior and posterior insula (alns / plns) ; the anterior, posterior superior temporal gyrus (aSTG/pSTG) ; the anterior, posterior middle temporal gyrus (aMTG/pMTG) ; the anterior and posterior inferior temporal gyrus (aITG, pITG) ; the anterior and posterior fusiform gyrus (aFFG/pFFG) ; the superior, middle and inferior postcentral gyrus (sPoCG/mPoCG/iPoCG) ; the superior parietal lobule (SPL) ; the supramarginal gyrus (SMG) ; the angular gyrus (AnG) ; the Precuneus (PCun) ; the cuneus (Cun) ; the Lingual Gyrus (LG) ; the superior, middle, inferior occipital gyrus (sOG / mOG/ iOG) ; the entorhinal Cortex (EnC) ; the parahippocampal gyrus (PHC).

The atlas is provided using the Anatomist *.bundles/*.bundlesdata format for which metainformation can be found in the *.bundles file among which:
- the labels of the different white matter bundles ('labels' entry) following the syntactic rule  "<right/left>_<roi1>_<roi2>_<clusterId>",
- the number of streamlines populating each white matter bundle ('curve3d_counts' entry), in the same order as the 'labels' key,
- the total number of white matter bundles ('item_count' entry),
- the total number of streamlines ('curves_count' entry)



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