Search Results for author: Colin Bredenberg

Found 5 papers, 3 papers with code

Desiderata for normative models of synaptic plasticity

no code implementations9 Aug 2023 Colin Bredenberg, Cristina Savin

In this review, we organize work on normative plasticity models in terms of a set of desiderata which, when satisfied, are designed to guarantee that a model has a clear link between plasticity and adaptive behavior, consistency with known biological evidence about neural plasticity, and specific testable predictions.

Adaptive coding efficiency in recurrent cortical circuits via gain control

no code implementations31 May 2023 Lyndon R. Duong, Colin Bredenberg, David J. Heeger, Eero P. Simoncelli

Using published V1 population adaptation data, we show that propagation of single neuron gain changes in a recurrent network is sufficient to capture the entire set of observed adaptation effects.

Flexible Phase Dynamics for Bio-Plausible Contrastive Learning

1 code implementation24 Feb 2023 Ezekiel Williams, Colin Bredenberg, Guillaume Lajoie

Many learning algorithms used as normative models in neuroscience or as candidate approaches for learning on neuromorphic chips learn by contrasting one set of network states with another.

Contrastive Learning

Impression learning: Online representation learning with synaptic plasticity

1 code implementation NeurIPS 2021 Colin Bredenberg, Benjamin Lyo, Eero Simoncelli, Cristina Savin

Understanding how the brain constructs statistical models of the sensory world remains a longstanding challenge for computational neuroscience.

Bayesian Inference Representation Learning

Learning efficient task-dependent representations with synaptic plasticity

1 code implementation NeurIPS 2020 Colin Bredenberg, Eero Simoncelli, Cristina Savin

Neural populations encode the sensory world imperfectly: their capacity is limited by the number of neurons, availability of metabolic and other biophysical resources, and intrinsic noise.

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