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Topic: Dalean constraints

ePoster
1 ePoster

In Neuroscience

Excitatory-inhibitory cortical feedback enables efficient hierarchical credit assignment

Will Greedy, Heng Wei Zhu, Joseph Pemberton, Jack Mellor, Rui Ponte Costa · COSYNE 2023

The error-backpropagation (backprop) algorithm remains the most common solution to the credit assignment problem in artificial neural networks. In neuroscience, it remains unclear whether the brain could be adopting a similar strategy to modify its synapses. Recent models have attempted to bridge this gap while being consistent with a range of experimental observations. However, these models are either ineffective at propagating error signals through several brain areas or require a multi-phase learning process, neither of which are reminiscent of learning in the brain. Here, we build upon pri

Fri, Mar 10, 2023

ePoster · Neuroscience