Spontaneous emergence of fast attractor dynamics in a model of developing primary visual cortex

T Miconi, JL McKinstry, GM Edelman - Nature communications, 2016 - nature.com
… sensory neurons actually emerges within cortex from attractor dynamics, in which local
connectivity … Thus, competitive group dynamics in the model are due to lateral influences between …

Mapping how local perturbations influence systems-level brain dynamics

LL Gollo, JA Roberts, L Cocchi - Neuroimage, 2017 - Elsevier
… perturbation of local neural activity can alter the dynamics of the … perturbations across the
whole cerebral cortex. The model … , we find two types of responses: regions show either an …

Dynamics and sources of response variability and its coordination in visual cortex

MS Hoseini, NC Wright, J Xia, W Clawson… - Visual …, 2019 - cambridge.org
… To investigate the dynamics and sources of cortical response … and analyzed local field
potentials (LFP) from visual cortex of … the network provides a substrate for the neurons to influence

[HTML][HTML] Action and learning shape the activity of neuronal circuits in the visual cortex

JMP Pakan, V Francioni, NL Rochefort - Current opinion in neurobiology, 2018 - Elsevier
… This dynamic process leads to neural representations in the … adult rodent primary visual
cortex, describing the impact of state-… to local mismatch in a specific portion of visual space, as is …

Top-down feedback controls spatial summation and response amplitude in primate visual cortex

L Nurminen, S Merlin, M Bijanzadeh, F Federer… - Nature …, 2018 - nature.com
… the mechanisms underlying the impact of feedback on V1 neuron responses, we fitted the …
to take a very simple local network model with a single inhibitory neuron type. The stimulations …

Efficient models of cortical activity via local dynamic equilibria and coarse-grained interactions

ZC Xiao, KK Lin, LS Young - Proceedings of the National …, 2024 - National Acad Sciences
… model of the primate visual cortex. Except for local neuron-to-neuron variability (necessarily …
primarily communicate by electrical spikes, and the impact of a spike depends largely on the …

Anatomy and function of an excitatory network in the visual cortex

WCA Lee, V Bonin, M Reed, BJ Graham, G Hood… - Nature, 2016 - nature.com
cerebral cortex consist of thousands of neurons connected by millions of synapses. A precise
understanding of these local networks … it is unknown if this effect is due to stronger synapses…

[HTML][HTML] A multi-scale layer-resolved spiking network model of resting-state dynamics in macaque visual cortical areas

M Schmidt, R Bakker, K Shen, G Bezgin… - PLOS Computational …, 2018 - journals.plos.org
… the influence of the connectivity itself on the network dynamics. … Cell densities in cortex and
thus the number of neurons in … the dominance of local communication in cortical dynamics. …

Recurrent dynamics in the cerebral cortex: Integration of sensory evidence with stored knowledge

W Singer - Proceedings of the National Academy of …, 2021 - National Acad Sciences
responses of cortical neurons is discussed below when reviewing the effect of stimuli on
cortical dynamics … of self-regulating local mechanisms involving complex networks of inhibitory …

Stimulus complexity shapes response correlations in primary visual cortex

M Bányai, A Lazar, L Klein… - Proceedings of the …, 2019 - National Acad Sciences
… introducing structured internal dynamics and patterns in SCCs… the local context in which
neurons in the primary visual cortex (… the effect of top-down interactions on V1 internal dynamics