The structures and functions of correlations in neural population codes
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 …
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 …
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 …
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 …
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 …
environment. However, given the variability in individual neurons responses, the accuracy of …
A unified framework for perceived magnitude and discriminability of sensory stimuli
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 …
(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 …
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 …
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
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 …
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 …
neuroscience. Here we performed multi-unit recordings from sensory neural populations in …