The structures and functions of correlations in neural population codes

S Panzeri, M Moroni, H Safaai… - Nature Reviews …, 2022 - nature.com
The collective activity of a population of neurons, beyond the properties of individual cells, is
crucial for many brain functions. A fundamental question is how activity correlations between …

Neural tuning and representational geometry

N Kriegeskorte, XX Wei - Nature Reviews Neuroscience, 2021 - nature.com
A central goal of neuroscience is to understand the representations formed by brain activity
patterns and their connection to behaviour. The classic approach is to investigate how …

[HTML][HTML] High-precision coding in visual cortex

C Stringer, M Michaelos, D Tsyboulski, SE Lindo… - Cell, 2021 - cell.com
Individual neurons in visual cortex provide the brain with unreliable estimates of visual
features. It is not known whether the single-neuron variability is correlated across large …

[HTML][HTML] Computation noise in human learning and decision-making: origin, impact, function

C Findling, V Wyart - Current Opinion in Behavioral Sciences, 2021 - Elsevier
Highlights•Computation noise drives human decision variability under uncertainty.•
Computation noise sets cognitive constraints on information processing.•Computation noise …

[HTML][HTML] Noise correlations in neural ensemble activity limit the accuracy of hippocampal spatial representations

O Hazon, VH Minces, DP Tomàs, S Ganguli… - Nature …, 2022 - nature.com
Neurons in the CA1 area of the mouse hippocampus encode the position of the animal in an
environment. However, given the variability in individual neurons responses, the accuracy of …

A unified framework for perceived magnitude and discriminability of sensory stimuli

J Zhou, LR Duong… - Proceedings of the …, 2024 - National Acad Sciences
The perception of sensory attributes is often quantified through measurements of sensitivity
(the ability to detect small stimulus changes), as well as through direct judgments of …

Evolutionary dynamics of mushroom body Kenyon cell types in hymenopteran brains from multifunctional type to functionally specialized types

T Kuwabara, H Kohno, M Hatakeyama, T Kubo - Science Advances, 2023 - science.org
Evolutionary dynamics of diversification of brain neuronal cell types that have underlain
behavioral evolution remain largely unknown. Here, we compared transcriptomes and …

Estimating noise correlations across continuous conditions with Wishart processes

A Nejatbakhsh, I Garon… - Advances in Neural …, 2024 - proceedings.neurips.cc
The signaling capacity of a neural population depends on the scale and orientation of its
covariance across trials. Estimating this" noise" covariance is challenging and is thought to …

Simultaneous, cortex-wide dynamics of up to 1 million neurons reveal unbounded scaling of dimensionality with neuron number

J Manley, S Lu, K Barber, J Demas, H Kim, D Meyer… - Neuron, 2024 - cell.com
The brain's remarkable properties arise from the collective activity of millions of neurons.
Widespread application of dimensionality reduction to multi-neuron recordings implies that …

[HTML][HTML] Coding of object location by heterogeneous neural populations with spatially dependent correlations in weakly electric fish

M Haggard, MJ Chacron - PLOS Computational Biology, 2023 - journals.plos.org
Understanding how neural populations encode sensory stimuli remains a central problem in
neuroscience. Here we performed multi-unit recordings from sensory neural populations in …