[HTML][HTML] Advances in resting state fMRI acquisitions for functional connectomics
Resting state functional magnetic resonance imaging (rs-fMRI) is based on spontaneous
fluctuations in the blood oxygen level dependent (BOLD) signal, which occur simultaneously …
fluctuations in the blood oxygen level dependent (BOLD) signal, which occur simultaneously …
Imaging faster neural dynamics with fast fMRI: A need for updated models of the hemodynamic response
JR Polimeni, LD Lewis - Progress in neurobiology, 2021 - Elsevier
Fast fMRI enables the detection of neural dynamics over timescales of hundreds of
milliseconds, suggesting it may provide a new avenue for studying subsecond neural …
milliseconds, suggesting it may provide a new avenue for studying subsecond neural …
[HTML][HTML] Effective degrees of freedom of the Pearson's correlation coefficient under autocorrelation
The dependence between pairs of time series is commonly quantified by Pearson's
correlation. However, if the time series are themselves dependent (ie exhibit temporal …
correlation. However, if the time series are themselves dependent (ie exhibit temporal …
Accurate autocorrelation modeling substantially improves fMRI reliability
Given the recent controversies in some neuroimaging statistical methods, we compare the
most frequently used functional Magnetic Resonance Imaging (fMRI) analysis packages …
most frequently used functional Magnetic Resonance Imaging (fMRI) analysis packages …
[HTML][HTML] Which multiband factor should you choose for your resting-state fMRI study?
Multiband acquisition, also called simultaneous multislice, has become a popular technique
in resting-state functional connectivity studies. Multiband (MB) acceleration leads to a higher …
in resting-state functional connectivity studies. Multiband (MB) acceleration leads to a higher …
Accurate modeling of temporal correlations in rapidly sampled fMRI time series
Rapid imaging techniques are increasingly used in functional MRI studies because they
allow a greater number of samples to be acquired per unit time, thereby increasing statistical …
allow a greater number of samples to be acquired per unit time, thereby increasing statistical …
[HTML][HTML] MP-PCA denoising of fMRI time-series data can lead to artificial activation “spreading”
MP-PCA denoising has become the method of choice for denoising MRI data since it
provides an objective threshold to separate the signal components from unwanted thermal …
provides an objective threshold to separate the signal components from unwanted thermal …
Cluster failure revisited: Impact of first level design and physiological noise on cluster false positive rates
Methodological research rarely generates a broad interest, yet our work on the validity of
cluster inference methods for functional magnetic resonance imaging (fMRI) created intense …
cluster inference methods for functional magnetic resonance imaging (fMRI) created intense …
[HTML][HTML] Model-based physiological noise removal in fast fMRI
U Agrawal, EN Brown, LD Lewis - Neuroimage, 2020 - Elsevier
Recent improvements in the speed and sensitivity of fMRI acquisition techniques suggest
that fast fMRI can be used to detect and precisely localize sub-second neural dynamics. This …
that fast fMRI can be used to detect and precisely localize sub-second neural dynamics. This …
On the analysis of rapidly sampled fMRI data
Recent advances in parallel imaging and simultaneous multi-slice techniques have
permitted whole-brain fMRI acquisitions at sub-second sampling intervals, without …
permitted whole-brain fMRI acquisitions at sub-second sampling intervals, without …