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Author

David Dahmen

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3 papers indexed here

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Open access Sep 2026

Task Engagement Gates Interareal Communication Geometry in the Mouse Thalamocortical–Midbrain Visual Circuit

Visual processing unfolds across hierarchically organized brain circuits. Existing theories largely explain changes in population geometry through local shifts in gain, firing-rate statistics, or recurrent dynamics, yet do not account for how interareal coordination interacts with local population geometry to constrain...

Loris Amalberti, Maximilian Hauer, Corbett Bennett et al. · 0 citations
Open access Aug 2026

Strong and localized recurrence controls the dimensionality of neural activity across brain areas

The brain contains an astronomical number of neurons, but it is their collective activity that underlies brain function. The number of degrees of freedom that this activity explores (its dimensionality) is therefore a fundamental signature of neural dynamics. However, it is not known what controls dimensionality in the...

David Dahmen, Stefano Recanatesi, Xiao-Xuan Jia et al. · 0 citations
Open access Nov 2025

Event-driven eligibility propagation in large sparse networks

Eligibility propagation (e-prop) is a biologically plausible learning rule for recurrent spiking neural networks (SNNs). It approximates gradients computed by backpropagation through time using online updates based on eligibility traces and learning signals. We reformulate the originally time-driven gradient calculatio...

A. Korcsak-Gorzo, Jesús A. Espinoza-Valverde, Jonas Stapmanns et al. · 0 citations

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