Accounting for bias in the estimation of r2 between two sets of noisy neural responses
DA Pospisil, W Bair - Journal of Neuroscience, 2022 - Soc Neuroscience
The Pearson correlation coefficient squared, r 2, is an important tool used in the analysis of
neural data to quantify the similarity between neural tuning curves. Yet this metric is biased …
neural data to quantify the similarity between neural tuning curves. Yet this metric is biased …
Accounting for biases in the estimation of neuronal signal correlation
DA Pospisil, W Bair - Journal of Neuroscience, 2021 - Soc Neuroscience
Signal correlation (rs) is commonly defined as the correlation between the tuning curves of
two neurons and is widely used as a metric of tuning similarity. It is fundamental to how …
two neurons and is widely used as a metric of tuning similarity. It is fundamental to how …
The unbiased estimation of the fraction of variance explained by a model
DA Pospisil, W Bair - PLoS computational biology, 2021 - journals.plos.org
The correlation coefficient squared, r 2, is commonly used to validate quantitative models on
neural data, yet it is biased by trial-to-trial variability: as trial-to-trial variability increases …
neural data, yet it is biased by trial-to-trial variability: as trial-to-trial variability increases …
Relating divisive normalization to neuronal response variability
R Coen-Cagli, SS Solomon - Journal of Neuroscience, 2019 - Soc Neuroscience
Cortical responses to repeated presentations of a sensory stimulus are variable. This
variability is sensitive to several stimulus dimensions, suggesting that it may carry useful …
variability is sensitive to several stimulus dimensions, suggesting that it may carry useful …
Neural response variability and divisive normalization
R Coen-Cagli, SS Solomon - bioRxiv, 2018 - biorxiv.org
Cortical responses to repeated presentations of a stimulus are variable. This variability is
sensitive to experimental manipulations that are also known to engage divisive …
sensitive to experimental manipulations that are also known to engage divisive …
[HTML][HTML] Characterizing the nonlinear structure of shared variability in cortical neuron populations using latent variable models
Sensory neurons often have variable responses to repeated presentations of the same
stimulus, which can significantly degrade the stimulus information contained in those …
stimulus, which can significantly degrade the stimulus information contained in those …
Characterizing the nonlinear structure of shared variability in cortical neuron populations using neural networks
MR Whiteway, K Socha, V Bonin, DA Butts - bioRxiv, 2018 - biorxiv.org
Sensory neurons often have variable responses to repeated presentations of the same
stimulus. Simultaneous recordings of neural populations demonstrate that such variability is …
stimulus. Simultaneous recordings of neural populations demonstrate that such variability is …
Measuring the performance of neural models
Good metrics of the performance of a statistical or computational model are essential for
model comparison and selection. Here, we address the design of performance metrics for …
model comparison and selection. Here, we address the design of performance metrics for …
Dethroning the fano factor: a flexible, model-based approach to partitioning neural variability
Neurons in many brain areas exhibit high trial-to-trial variability, with spike counts that are
overdispersed relative to a Poisson distribution. Recent work (Goris, Movshon, & …
overdispersed relative to a Poisson distribution. Recent work (Goris, Movshon, & …
Model-based characterization of the selectivity of neurons in primary visual cortex
F Bartsch, BG Cumming… - Journal of …, 2022 - journals.physiology.org
Statistical models are increasingly being used to understand the complexity of stimulus
selectivity in primary visual cortex (V1) in the context of complex time-varying stimuli …
selectivity in primary visual cortex (V1) in the context of complex time-varying stimuli …