Connectome-based reservoir computing with the conn2res toolbox

Laura E. Suárez, Agoston Mihalik, Filip Milisav, Kenji Marshall, Mingze Li, Petra E. Vértes, Guillaume Lajoie and Bratislav Misic ()
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Laura E. Suárez: McGill University
Agoston Mihalik: University of Cambridge
Filip Milisav: McGill University
Kenji Marshall: Stanford University
Mingze Li: McGill University
Petra E. Vértes: University of Cambridge
Guillaume Lajoie: Quebec Artificial Intelligence Institute
Bratislav Misic: McGill University

Nature Communications, 2024, vol. 15, issue 1, 1-14

Abstract: Abstract The connection patterns of neural circuits form a complex network. How signaling in these circuits manifests as complex cognition and adaptive behaviour remains the central question in neuroscience. Concomitant advances in connectomics and artificial intelligence open fundamentally new opportunities to understand how connection patterns shape computational capacity in biological brain networks. Reservoir computing is a versatile paradigm that uses high-dimensional, nonlinear dynamical systems to perform computations and approximate cognitive functions. Here we present conn2res: an open-source Python toolbox for implementing biological neural networks as artificial neural networks. conn2res is modular, allowing arbitrary network architecture and dynamics to be imposed. The toolbox allows researchers to input connectomes reconstructed using multiple techniques, from tract tracing to noninvasive diffusion imaging, and to impose multiple dynamical systems, from spiking neurons to memristive dynamics. The versatility of the conn2res toolbox allows us to ask new questions at the confluence of neuroscience and artificial intelligence. By reconceptualizing function as computation, conn2res sets the stage for a more mechanistic understanding of structure-function relationships in brain networks.

Date: 2024
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DOI: 10.1038/s41467-024-44900-4

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