Dynamic Branching in a Neural Network Model for Probabilistic Prediction of Sequences

Overview

Journal J Comput Neurosci

Specialties Biology
Neurology

Date 2022 Aug 10

PMID 35948839

Authors

Elif Koksal Ersoz

Pascal Chossat

Martin Krupa

Frederic Lavigne

Affiliations

Soon will be listed here.

Abstract

An important function of the brain is to predict which stimulus is likely to occur based on the perceived cues. The present research studied the branching behavior of a computational network model of populations of excitatory and inhibitory neurons, both analytically and through simulations. Results show how synaptic efficacy, retroactive inhibition and short-term synaptic depression determine the dynamics of selection between different branches predicting sequences of stimuli of different probabilities. Further results show that changes in the probability of the different predictions depend on variations of neuronal gain. Such variations allow the network to optimize the probability of its predictions to changing probabilities of the sequences without changing synaptic efficacy.

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