Data-driven multiscale computational models of cortical and subcortical regions

S Ramaswamy - Current opinion in neurobiology, 2024 - Elsevier
Data-driven computational models of neurons, synapses, microcircuits, and mesocircuits
have become essential tools in modern brain research. The goal of these multiscale models …

[HTML][HTML] Systematic integration of structural and functional data into multi-scale models of mouse primary visual cortex

YN Billeh, B Cai, SL Gratiy, K Dai, R Iyer, NW Gouwens… - Neuron, 2020 - cell.com
Structural rules underlying functional properties of cortical circuits are poorly understood. To
explore these rules systematically, we integrated information from extensive literature …

Ultrafast simulation of large-scale neocortical microcircuitry with biophysically realistic neurons

VJ Oláh, NP Pedersen, MJM Rowan - Elife, 2022 - elifesciences.org
Understanding the activity of the mammalian brain requires an integrative knowledge of
circuits at distinct scales, ranging from ion channel gating to circuit connectomics …

A large‐scale neuronal network modelling study: Stimulus size modulates gamma oscillations in the primary visual cortex by long‐range connections

H Yang, F Han, Q Wang - European Journal of Neuroscience, 2024 - Wiley Online Library
Stimulus size modulation of neuronal firing activity is a fundamental property of the primary
visual cortex. Numerous biological experiments have shown that stimulus size modulation is …

Refractory density model of cortical direction selectivity: Lagged-nonlagged, transient-sustained, and On-Off thalamic neuron-based mechanisms and intracortical …

A Chizhov, N Merkulyeva - PLOS Computational Biology, 2020 - journals.plos.org
A biophysically detailed description of the mechanisms of the primary vision is still being
developed. We have incorporated a simplified, filter-based description of retino-thalamic …

An anatomically constrained model of V1 simple cells predicts the coexistence of push–pull and broad inhibition

MM Taylor, D Contreras, A Destexhe… - Journal of …, 2021 - Soc Neuroscience
The spatial organization and dynamic interactions between excitatory and inhibitory synaptic
inputs that define the receptive field (RF) of simple cells in the cat primary visual cortex (V1) …

A strategy for mapping biophysical to abstract neuronal network models applied to primary visual cortex

AV Chizhov, LJ Graham - PLoS Computational Biology, 2021 - journals.plos.org
A fundamental challenge for the theoretical study of neuronal networks is to make the link
between complex biophysical models based directly on experimental data, to progressively …

How the layer-dependent ratio of excitatory to inhibitory cells shapes cortical coding in balanced networks

A Alizadeh, B Englitz, F Zeldenrust - bioRxiv, 2024 - biorxiv.org
The cerebral cortex exhibits a sophisticated neural architecture across its six layers.
Recently, it was found that these layers exhibit different ratios of excitatory to inhibitory (EI) …

Latent encoding of movement in primary visual cortex

C Cosnier-Horeau, H Germaine, I Choi, S Van Hooser… - bioRxiv, 2024 - biorxiv.org
Neurons in the primary visual cortex (V1) are classically thought to encode spatial features
of visual stimuli through simple population codes: each neuron exhibits a preferred …

[HTML][HTML] An interpretable mechanism for grating-induced cross-inhibition and gamma oscillation based on a visual cortical neuronal network model

H Yang, P Wang, F Han, Q Wang - Electronic Research Archive, 2024 - aimspress.com
Biological experiments targeting the mammalian primary visual cortex have shown that
neuronal response to a preferred orientation grating is cross-inhibited by an orthogonal …