Results 141 to 150 of about 254,305 (352)

Topographic Electrophysiological Signatures of fMRI Resting State Networks

open access: yesPLoS ONE, 2010
fMRI Resting State Networks (RSNs) have gained importance in the present fMRI literature. Although their functional role is unquestioned and their physiological origin is nowadays widely accepted, little is known about their relationship to neuronal activity. The combined recording of EEG and fMRI allows the temporal correlation between fluctuations of
Jann, Kay   +4 more
openaire   +6 more sources

Molecular Tools to Study and Control Dopaminergic Neurotransmission With Light

open access: yesMedicinal Research Reviews, EarlyView.
ABSTRACT Dopaminergic neurotransmission is involved in several important brain functions, such as motor control, learning, reward‐motivated behavior, and emotions. Dysfunctions of dopaminergic system may lead to the development of various neurological and psychiatric disorders, like Parkinson's disease, schizophrenia, depression, and addictions ...
Galyna Maleeva   +5 more
wiley   +1 more source

A method for using blocked and event-related fMRI data to study “resting state” functional connectivity [PDF]

open access: green, 2007
Damien A. Fair   +9 more
openalex   +1 more source

Investigation of neuro‐vascular reactivity on fMRI study during visual activation in people with multiple sclerosis using EEG and hypercapnia challenge

open access: yesMedical Physics, EarlyView.
Abstract Background People with multiple sclerosis (MS) exhibit a different pattern of blood oxygenation level‐dependent (BOLD) activation on functional magnetic resonance imaging (fMRI) studies when compared to healthy control (HC). Purpose The objective of this study is to determine whether observed differences in BOLD activation between people with ...
Wanyong Shin   +4 more
wiley   +1 more source

Correlation between changes in functional connectivity in the dorsal attention network and the after-effects induced by prism adaptation in healthy humans: A dataset of resting-state fMRI and pointing after prism adaptation

open access: yesData in Brief, 2019
It has been reported that it is possible to observe transient changes in resting-state functional connectivity (FC) in the attention networks of healthy adults during treatment with prism adaptation. by using functional magnetic resonance imaging (fMRI) (
Kengo Tsujimoto   +8 more
doaj  

Resting-State Functional Connectivity in Autism Spectrum Disorders: A Review

open access: yesFrontiers in Psychiatry, 2017
Ongoing debate exists within the resting-state functional MRI (fMRI) literature over how intrinsic connectivity is altered in the autistic brain, with reports of general over-connectivity, under-connectivity, and/or a combination of both.
Jocelyn V. Hull   +5 more
doaj   +1 more source

Short‐term gradient imperfections in high‐resolution EPI lead to Fuzzy Ripple artifacts

open access: yesMagnetic Resonance in Medicine, EarlyView.
Abstract Purpose High‐resolution fMRI is a rapidly growing research field focused on capturing functional signal changes across cortical layers. However, the data acquisition is limited by low spatial frequency EPI artifacts; termed here as Fuzzy Ripples.
Laurentius (Renzo) Huber   +16 more
wiley   +1 more source

Examining resting-state functional connectivity in first-episode schizophrenia with 7T fMRI and MEG

open access: yesNeuroImage: Clinical, 2019
Schizophrenia is often characterized by dysconnections in the brain, which can be estimated via functional connectivity analyses. Commonly measured using resting-state functional magnetic resonance imaging (fMRI) in order to characterize the intrinsic or
Kristin K. Lottman   +5 more
doaj  

Altered spontaneous brain activity in chronic smokers revealed by fractional ramplitude of low-frequency fluctuation analysis: a preliminary study

open access: yesScientific Reports, 2017
Although a substantial body of previous functional magnetic resonance imaging (fMRI) studies have revealed different brain responses to external stimuli in chronic cigarette smokers compared with nonsmokers, only a few studies assessed brain spontaneous ...
Chao Wang   +8 more
doaj   +1 more source

Improving Reliability of Subject-Level Resting-State fMRI Parcellation with Shrinkage Estimators [PDF]

open access: yes, 2015
A recent interest in resting state functional magnetic resonance imaging (rsfMRI) lies in subdividing the human brain into anatomically and functionally distinct regions of interest.
Caffo, Brian   +7 more
core  

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