Drifting neuronal representations: Bug or feature?

P Masset, S Qin, JA Zavatone-Veth - Biological cybernetics, 2022 - Springer
The brain displays a remarkable ability to sustain stable memories, allowing animals to
execute precise behaviors or recall stimulus associations years after they were first learned …

Mind the last spike—firing rate models for mesoscopic populations of spiking neurons

T Schwalger, AV Chizhov - Current opinion in neurobiology, 2019 - Elsevier
Highlights•Generalized integrate-and-fire (GIF) models permit efficient extraction of point
neuron parameters, which reproduce the spiking behavior of multiple cell types and are …

[HTML][HTML] Parametric control of flexible timing through low-dimensional neural manifolds

M Beiran, N Meirhaeghe, H Sohn, M Jazayeri, S Ostojic - Neuron, 2023 - cell.com
Biological brains possess an unparalleled ability to adapt behavioral responses to changing
stimuli and environments. How neural processes enable this capacity is a fundamental open …

Theory of coupled neuronal-synaptic dynamics

DG Clark, LF Abbott - Physical Review X, 2024 - APS
In neural circuits, synaptic strengths influence neuronal activity by shaping network
dynamics, and neuronal activity influences synaptic strengths through activity-dependent …

[HTML][HTML] The generation of time in the hippocampal memory system

ET Rolls, P Mills - Cell reports, 2019 - cell.com
We propose that ramping time cells in the lateral entorhinal cortex can be produced by
synaptic adaptation and demonstrate this in an integrate-and-fire attractor network model …

Republished: Dynamics of stochastic integrate-and-fire networks

GK Ocker - Physical Review X, 2023 - APS
The neural dynamics generating sensory, motor, and cognitive functions are commonly
understood through field theories for neural population activity. Classic neural field theories …

[HTML][HTML] Metastable attractors explain the variable timing of stable behavioral action sequences

S Recanatesi, U Pereira-Obilinovic, M Murakami… - Neuron, 2022 - cell.com
The timing of self-initiated actions shows large variability even when they are executed in
stable, well-learned sequences. Could this mix of reliability and stochasticity arise within the …

Forgetting leads to chaos in attractor networks

U Pereira-Obilinovic, J Aljadeff, N Brunel - Physical Review X, 2023 - APS
Attractor networks are an influential theory for memory storage in brain systems. This theory
has recently been challenged by the observation of strong temporal variability in neuronal …

Theory of gating in recurrent neural networks

K Krishnamurthy, T Can, DJ Schwab - Physical Review X, 2022 - APS
Recurrent neural networks (RNNs) are powerful dynamical models, widely used in machine
learning (ML) and neuroscience. Prior theoretical work has focused on RNNs with additive …

[HTML][HTML] 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 …