Results 91 to 100 of about 456,227 (305)

Subjective cognitive complaints and its associations to response inhibition and neural activation in patients with stress-related exhaustion disorder

open access: yesStress, 2023
Stress-related exhaustion is associated with cognitive deficits, measured subjectively using questionnaires targeting everyday slips and failures or more objectively as performance on cognitive tests.
Andreas Nelson   +7 more
doaj   +1 more source

An efficient approach to characterize spatio-temporal dependence in cortical surface fMRI data [PDF]

open access: yesarXiv, 2023
Functional magnetic resonance imaging (fMRI) is a neuroimaging technique known for its ability to capture brain activity non-invasively and at fine spatial resolution (2-3mm). Cortical surface fMRI (cs-fMRI) is a recent development of fMRI that focuses on signals from tissues that have neuronal activities, as opposed to the whole brain. cs-fMRI data is
arxiv  

Advances in functional neuroanatomy: a review of combined DTI and fMRI studies in healthy younger and older adults. [PDF]

open access: yes, 2013
Structural connections between brain regions are thought to influence neural processing within those regions. It follows that alterations to the quality of structural connections should influence the magnitude of neural activity.
Bennett, Ilana J, Rypma, Bart
core   +1 more source

From gut to brain: unveiling probiotic effects through a neuroimaging perspective—A systematic review of randomized controlled trials

open access: yesFrontiers in Nutrition
The gut–brain axis, a bidirectional communication network between the gastrointestinal system and the brain, significantly influences mental health and behavior.
Annachiara Crocetta   +13 more
doaj   +1 more source

From voxels to pixels and back: Self-supervision in natural-image reconstruction from fMRI [PDF]

open access: yeshttps://proceedings.neurips.cc/paper/2019/file/7d2be41b1bde6ff8fe45150c37488ebb-Paper.pdf, 2019
Reconstructing observed images from fMRI brain recordings is challenging. Unfortunately, acquiring sufficient "labeled" pairs of {Image, fMRI} (i.e., images with their corresponding fMRI responses) to span the huge space of natural images is prohibitive for many reasons.
arxiv  

Development of a trunk motor paradigm for use in neuroimaging

open access: yesTranslational Neuroscience, 2020
The purpose of this study was to quantify head motion between isometric erector spinae (ES) contraction strategies, paradigms, and intensities in the development of a neuroimaging protocol for the study of neural activity associated with trunk motor ...
Saunders Elizabeth   +3 more
doaj   +1 more source

Generating fMRI volumes from T1-weighted volumes using 3D CycleGAN [PDF]

open access: yesarXiv, 2019
Registration between an fMRI volume and a T1-weighted volume is challenging, since fMRI volumes contain geometric distortions. Here we present preliminary results showing that 3D CycleGAN can be used to synthesize fMRI volumes from T1-weighted volumes, and vice versa, which can facilitate registration.
arxiv  

fMRI-Kernel Regression: A Kernel-based Method for Pointwise Statistical Analysis of rs-fMRI for Population Studies [PDF]

open access: yesarXiv, 2020
Due to the spontaneous nature of resting-state fMRI (rs-fMRI) signals, cross-subject comparison and therefore, group studies of rs-fMRI are challenging. Most existing group comparison methods use features extracted from the fMRI time series, such as connectivity features, independent component analysis (ICA), and functional connectivity density (FCD ...
arxiv  

The future of FMRI connectivity

open access: yesNeuroImage, 2012
"FMRI connectivity" encompasses many areas of research, including resting-state networks, biophysical modelling of task-FMRI data and bottom-up simulation of multiple individual neurons interacting with each other. In this brief paper I discuss several outstanding areas that I believe will see exciting developments in the next few years, in particular ...
openaire   +6 more sources

Multilingualism: an fMRI study

open access: yesNeuroImage, 2003
To investigate the hypothesis that in multilingual speakers different languages are represented in distinct brain regions, 12 multilingual right-handed men performed a word fluency task, a picture naming task, a comprehension reading task, and their respective control tasks in three languages (Dutch, French, and English) while whole-head functional ...
Cathelijne Tesink   +7 more
openaire   +3 more sources

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