Toward reflective spiking neural networks exploiting memristive devices

VA Makarov, SA Lobov, S Shchanikov… - Frontiers in …, 2022 - frontiersin.org
The design of modern convolutional artificial neural networks (ANNs) composed of formal
neurons copies the architecture of the visual cortex. Signals proceed through a hierarchy …

Metastable dynamics of neural circuits and networks

BAW Brinkman, H Yan, A Maffei, IM Park… - Applied Physics …, 2022 - pubs.aip.org
Cortical neurons emit seemingly erratic trains of action potentials or “spikes,” and neural
network dynamics emerge from the coordinated spiking activity within neural circuits. These …

Brain-wide interactions during hippocampal sharp wave ripples

N Nitzan, R Swanson, D Schmitz… - Proceedings of the …, 2022 - National Acad Sciences
During periods of disengagement from the environment, transient population bursts, known
as sharp wave ripples (SPW-Rs), occur sporadically. While numerous experiments have …

Minimal phrase composition revealed by intracranial recordings

E Murphy, O Woolnough, PS Rollo… - Journal of …, 2022 - Soc Neuroscience
The ability to comprehend phrases is an essential integrative property of the brain. Here, we
evaluate the neural processes that enable the transition from single-word processing to a …

Traveling waves in the prefrontal cortex during working memory

S Bhattacharya, SL Brincat, M Lundqvist… - PLoS computational …, 2022 - journals.plos.org
Neural oscillations are evident across cortex but their spatial structure is not well-explored.
Are oscillations stationary or do they form “traveling waves”, ie, spatially organized patterns …

[HTML][HTML] The expanding horizons of network neuroscience: From description to prediction and control

P Srivastava, P Fotiadis, L Parkes, DS Bassett - Neuroimage, 2022 - Elsevier
The field of network neuroscience has emerged as a natural framework for the study of the
brain and has been increasingly applied across divergent problems in neuroscience. From a …

Mean-field models for EEG/MEG: from oscillations to waves

Á Byrne, J Ross, R Nicks, S Coombes - Brain topography, 2022 - Springer
Neural mass models have been used since the 1970s to model the coarse-grained activity
of large populations of neurons. They have proven especially fruitful for understanding brain …

[HTML][HTML] Geometry unites synchrony, chimeras, and waves in nonlinear oscillator networks

RC Budzinski, TT Nguyen, J Đoàn, J Mináč… - … Journal of Nonlinear …, 2022 - pubs.aip.org
One of the simplest mathematical models in the study of nonlinear systems is the Kuramoto
model, which describes synchronization in systems from swarms of insects to …

Rhythmic interactions between the mediodorsal thalamus and prefrontal cortex precede human visual perception

BJ Griffiths, T Zaehle, S Repplinger, FC Schmitt… - Nature …, 2022 - nature.com
The thalamus is much more than a simple sensory relay. High-order thalamic nuclei, such as
the mediodorsal thalamus, exert a profound influence over animal cognition. However, given …

Visual evoked feedforward–feedback traveling waves organize neural activity across the cortical hierarchy in mice

A Aggarwal, C Brennan, J Luo, H Chung… - Nature …, 2022 - nature.com
Sensory processing is distributed among many brain regions that interact via feedforward
and feedback signaling. Neuronal oscillations have been shown to mediate intercortical …