Search Results for author: Beth Jelfs

Found 4 papers, 0 papers with code

Dynamic Brain Behaviours in Stroke: A Longitudinal Investigation Based on fMRI Analysis

no code implementations28 Nov 2023 Kaichao Wu, Beth Jelfs, Katrina Neville, Qiang Fang

Notably, when predicting post-stroke recovery status, whole-brain recruitment emerged as a robust and reliable feature, achieving an AUC of 85. 93 Significance: Our study offers a comprehensive depiction of dynamic brain behavior in the post-ischemic-stroke brain, with a focus on longitudinal changes concurrent with functional recovery.

fMRI-based Static and Dynamic Functional Connectivity Analysis for Post-stroke Motor Dysfunction Patient: A Review

no code implementations15 Dec 2022 Kaichao Wu, Beth Jelfs, Katrina Neville, John Q. Fang

In particular, functional connectivity(FC) analyses with fMRI at rest can be employed to reveal the neural connectivity rationale behind this post-stroke motor function impairment and recovery.

Denoising

An Efficient and Flexible Spike Train Model via Empirical Bayes

no code implementations10 May 2016 Qi She, Xiaoli Wu, Beth Jelfs, Adam S. Charles, Rosa H. M. Chan

Our method integrates both Generalized Linear Models (GLMs) and empirical Bayes theory, which aims to (1) improve the accuracy and reliability of parameter estimation, compared to the maximum likelihood-based method for NB-GLM and Poisson-GLM; (2) effectively capture the over-dispersion nature of spike counts from both simulated data and experimental data; and (3) provide insight into both neural interactions and spiking behaviours of the neuronal populations.

Bayesian Inference

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