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Journal Article

Detailed mapping of the complex fiber structure and white matter pathways of the chimpanzee brain

MPS-Authors
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Eichner,  Cornelius       
Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Paquette,  Michael       
Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Müller-Axt,  Christa       
Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
Faculty of Psychology, TU Dresden, Germany;

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Jäger,  Carsten       
Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society;
Faculty of Medicine, Paul Flechsig Institute for Brain Research, University of Leipzig, Germany;

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Kirilina,  Evgeniya       
Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society;
Center for Cognitive Neuroscience Berlin (CCNB), FU Berlin, Germany;

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Lipp,  Ilona       
Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Weiskopf,  Nikolaus       
Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society;
Felix Bloch Institute for Solid State Physics, University of Leipzig, Germany;

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Friederici,  Angela D.       
Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Anwander,  Alfred       
Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Fulltext (public)

Eichner_Paquette_2024.pdf
(Publisher version), 6MB

Supplementary Material (public)

Eichner_Paquette_2024_Suppl.pdf
(Supplementary material), 17MB

Citation

Eichner, C., Paquette, M., Müller-Axt, C., Bock, C., Budinger, E., Gräßle, T., et al. (2024). Detailed mapping of the complex fiber structure and white matter pathways of the chimpanzee brain. Nature Methods, 21(6), 1122-1130. doi:10.1038/s41592-024-02270-1.


Cite as: https://hdl.handle.net/21.11116/0000-000F-619B-5
Abstract
Long-standing questions about human brain evolution may only be resolved through comparisons with close living evolutionary relatives, such as chimpanzees. This applies in particular to structural white matter (WM) connectivity, which continuously expanded throughout evolution. However, due to legal restrictions on chimpanzee research, neuroscience research currently relies largely on data with limited detail or on comparisons with evolutionarily distant monkeys. Here, we present a detailed magnetic resonance imaging resource to study structural WM connectivity in the chimpanzee. This open-access resource contains (1) WM reconstructions of a postmortem chimpanzee brain, using the highest-quality diffusion magnetic resonance imaging data yet acquired from great apes; (2) an optimized and validated method for high-quality fiber orientation reconstructions; and (3) major fiber tract segmentations for cross-species morphological comparisons. This dataset enabled us to identify phylogenetically relevant details of the chimpanzee connectome, and we anticipate that it will substantially contribute to understanding human brain evolution.