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Author

Houman Safaai

3 papers indexed here

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Conditioned Direct Feedback Alignment via Activity and Error Geometry

Conditioned DFA (nDFA), a family that adapts established inverse-moment preconditioning to either side of this update, is studied, establishing practical benefits and important limits of conditioning learning with fixed random feedback.

Houman Safaai, V. Reddy, Bernardo L. Sabatini · 1 citation
#machine learning Preprint Sep 2026

Common-Mode Collapse and Recovery in Direct Feedback Alignment

A exact mean-covariance decomposition separates a rank-one update formed by the mean teaching signal and mean presynaptic activity, which prevents sustained collapse and improves learning in the tested setting.

V. Reddy, Bernardo L. Sabatini, Houman Safaai · 0 citations
Preprint Jul 2026

When Branch-Local Shunting Helps: A Gain-Load-Alignment Principle for Dendritic E/I Networks

DendriNet, a trainable framework that varies integration rule, morphology, synaptic allocation, divisor locality, and dendritic nonlinearities is introduced, a trainable framework that varies integration rule, morphology, synaptic allocation, divisor locality, and dendritic nonlinearities.

Houman Safaai, Maceo Richards, N. Khoshnevis et al. · 0 citations

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