BigBrain

Reference brains are indispensable tools in brain mapping, enabling integration of multimodal data into anatomically realistic standard space. However available reference brains are limited to macroscopic scale and therefore do not provide information on functionally relevant microscopic dimension. Within the scope of the international cooperation with Prof. Alan Evans' team at the Montreal Neurological Institute (MNI) of the McGill University in Montreal a 3D modell of a human brain in extremely high resolution has been developed. This so far unique reconstruction was carried on the basis of 7404 digitalized histological cuts. BigBrain is a free tool and offers matchless neuroanatomical insight as well as the possibility to verify hypotheses.

EBRAINS integrates BigBrain as a part of the EBRAINS Human Brain Atlas and provides an interactive Online-Viewer at atlases.ebrains.eu/viewer. The dataset of approx. 1 Terabyte is registered at the EBRAINS KnowledgeGraph and available for download at bigbrain.loris.ca.

For detailed information please see the original publication:

Amunts, K., Lepage, C., Borgeat, L., Mohlberg, H., Dickscheid, T., Rousseau, M., Bludau, S., Bazin, P., Lewis, L., Oros-Peusquens, A., Shah, N., Lippert, T., Zilles, K., Evans, A., 2013. BigBrain: An Ultrahigh-Resolution 3D Human Brain Model. Science Vol. 340 no. 6139 pp. 1472-1475

HIBALL - Helmholtz International BigBrain Analytics and Learning Laboratory

The German-Canadian Helmholtz International Lab HIBALL builds on the long established collaboration of Neuroscientist and AI experts around Alan Evans at McGill University in Montreal, Canada and Katrin Amunts at Forschungszentrum Jülich (FZJ) in Germany and develops the next generation multimodal 3D brain models at unmatched spatial resolution in close cooperation with CIFAR and MILA in Canada as well as Helmholtz AI in Germany, using novel deep learning methods and the latest supercomputing architectures to analyze neuroscientific data in the petabyte range. The lab establishs infrastructure solutions for sharing and analyzing large imaging data that are interoperable with the services of the large brain initiatives, most notable EBRAINS and the Canadian Healthy Brains for Healthy Lives initiative (HBHL).

HIBALL was funded between 2020 and 2025 with a total budget of 6 million euros by the Helmholtz Association and the Canadian partners. While this project phase has concluded, the HIBALL consortium remains active and continues to advance this exceptional dataset and the technical ecosystem that enables impactful neuroscience research.

Project webpage: HIBALL

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