Cognitive strategies shift information from single neurons to populations in prefrontal cortex

FK Chiang, JD Wallis, EL Rich - Neuron, 2022 - cell.com
Neurons in primate lateral prefrontal cortex (LPFC) play a critical role in working memory
(WM) and cognitive strategies. Consistent with adaptive coding models, responses of these …

Neural manifolds in V1 change with top-down signals from V4 targeting the foveal region

A Morales-Gregorio, AC Kurth, J Ito, A Kleinjohann… - Cell Reports, 2024 - cell.com
High-dimensional brain activity is often organized into lower-dimensional neural manifolds.
However, the neural manifolds of the visual cortex remain understudied. Here, we study …

Multi-scale spiking network model of human cerebral cortex

J Pronold, A van Meegen, RO Shimoura… - Cerebral …, 2024 - academic.oup.com
Although the structure of cortical networks provides the necessary substrate for their
neuronal activity, the structure alone does not suffice to understand the activity. Leveraging …

Global organization of neuronal activity only requires unstructured local connectivity

D Dahmen, M Layer, L Deutz, PA Dąbrowska, N Voges… - elife, 2022 - elifesciences.org
Modern electrophysiological recordings simultaneously capture single-unit spiking activities
of hundreds of neurons spread across large cortical distances. Yet, this parallel activity is …

Linking cortex and contraction—Integrating models along the corticomuscular pathway

L Haggie, L Schmid, O Röhrle, T Besier… - Frontiers in …, 2023 - frontiersin.org
Computational models of the neuromusculoskeletal system provide a deterministic
approach to investigate input-output relationships in the human motor system …

What representational similarity measures imply about decodable information

SE Harvey, D Lipshutz, AH Williams - arxiv preprint arxiv:2411.08197, 2024 - arxiv.org
Neural responses encode information that is useful for a variety of downstream tasks. A
common approach to understand these systems is to build regression models …

Effect of synaptic heterogeneity on neuronal coordination

M Layer, M Helias, D Dahmen - PRX life, 2024 - APS
Recent advancements in measurement techniques have resulted in an increasing amount of
data on neural activities recorded in parallel, revealing largely heterogeneous correlation …

Neuronal firing rate diversity lowers the dimension of population covariability

GJ Tian, O Zhu, V Shirhatti, CM Greenspon, JE Downey… - bioRxiv, 2024 - biorxiv.org
Populations of neurons produce activity with two central features. First, neuronal responses
are very diverse–specific stimuli or behaviors prompt some neurons to emit many action …

Beta oscillations and waves in motor cortex can be accounted for by the interplay of spatially structured connectivity and fluctuating inputs

L Kang, J Ranft, V Hakim - Elife, 2023 - elifesciences.org
Abstract The beta rhythm (13–30 Hz) is a prominent brain rhythm. Recordings in primates
during instructed-delay reaching tasks have shown that different types of traveling waves of …

Modelling spontaneous firing activity of the motor cortex in a spiking neural network with random and local connectivity

L Haggie, T Besier, A McMorland - arxiv preprint arxiv:2307.02659, 2023 - arxiv.org
Computational models of cortical activity provide insight into the mechanisms of higher-order
processing in the human brain including planning, perception and the control of movement …