Itinerancy between attractor states in neural systems

P Miller - Current opinion in neurobiology, 2016 - Elsevier
Highlights•Multiple point-attractor states form in neural circuits with clustered connectivity.•
Transitions between attractor states can arise without a change in stimulus.•Transitions and …

Memory retrieval from first principles

M Katkov, S Romani, M Tsodyks - Neuron, 2017 - cell.com
The dilemma that neurotheorists face is that (1) detailed biophysical models that can be
constrained by direct measurements, while being of great importance, offer no immediate …

When shared concept cells support associations: Theory of overlapping memory engrams

C Gastaldi, T Schwalger, E De Falco… - PLOS Computational …, 2021 - journals.plos.org
Assemblies of neurons, called concepts cells, encode acquired concepts in human Medial
Temporal Lobe. Those concept cells that are shared between two assemblies have been …

From structure to activity: Using centrality measures to predict neuronal activity

JMK Fletcher, T Wennekers - International journal of neural systems, 2018 - World Scientific
It is clear that the topological structure of a neural network somehow determines the activity
of the neurons within it. In the present work, we ask to what extent it is possible to examine …

A dynamic attractor network model of memory formation, reinforcement and forgetting

M Boscaglia, C Gastaldi, W Gerstner… - PLOS Computational …, 2023 - journals.plos.org
Empirical evidence shows that memories that are frequently revisited are easy to recall, and
that familiar items involve larger hippocampal representations than less familiar ones. In line …

Neural network model of memory retrieval

S Recanatesi, M Katkov, S Romani… - Frontiers in …, 2015 - frontiersin.org
Human memory can store large amount of information. Nevertheless, recalling is often a
challenging task. In a classical free recall paradigm, where participants are asked to repeat …

Neural distributed autoassociative memories: A survey

VI Gritsenko, DA Rachkovskij, AA Frolov… - arXiv preprint arXiv …, 2017 - arxiv.org
Introduction. Neural network models of autoassociative, distributed memory allow storage
and retrieval of many items (vectors) where the number of stored items can exceed the …

A higher sensory brain region is involved in reversing reinforcement-induced vocal changes in a songbird

A Canopoli, JA Herbst… - Journal of Neuroscience, 2014 - Soc Neuroscience
Many animals exhibit flexible behaviors that they can adjust to increase reward or avoid
harm (learning by positive or aversive reinforcement). But what neural mechanisms allow …

Elements of the cellular metabolic structure

IM De la Fuente - Frontiers in Molecular Biosciences, 2015 - frontiersin.org
A large number of studies have demonstrated the existence of metabolic covalent
modifications in different molecular structures, which are able to store biochemical …

SpaRCe: improved learning of reservoir computing systems through sparse representations

L Manneschi, AC Lin, E Vasilaki - IEEE Transactions on Neural …, 2021 - ieeexplore.ieee.org
“Sparse” neural networks, in which relatively few neurons or connections are active, are
common in both machine learning and neuroscience. While, in machine learning,“sparsity” …