BOLD fMRI
Poststimulus undershoots in cerebral blood flow and BOLD fMRI responses are modulated by poststimulus neuronal activity
... (BOLD) fMRI is the foremost noninvasive technique for measuring the spatial location and intensity of human brain function ...(1). BOLD con- trast allows information about enhanced neuronal activity ...
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Low level carbon monoxide exposure affects BOLD fMRI response
... (BOLD) fMRI is a common technique for measuring brain activation that could be affected by low-level carbon monoxide (CO) exposure from, ...of BOLD fMRI to CO and determine whether it may ...
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Impaired Cerebrovascular Reactivity Predicts Recurrent Symptoms in Patients with Carotid Artery Occlusion: A Hypercapnia BOLD fMRI Study
... hypercapnia BOLD fMRI demonstrated hemodynamic impairment in more than half of our patient cohort with carotid occlusion, and we found that those pa- tients had an elevated risk of recurrent ischemic ...
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Volumetric BOLD fMRI simulation: from neurovascular coupling to multivoxel imaging
... of BOLD fMRI can approximately, but not exactly, represent the vascular origin; and 2) the phase image conforms very well with the ...of BOLD fMRI by incorporating the intrinsic nonlinear ...
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Boosting BOLD fMRI by K Space density weighted echo planar imaging
... FE fMRI results for k-space density weighted and Cartesian EPI were separately projected to and visualized on the MNI152 pial surface using mri_vol2surf and tksurfer, both part of FreeSurfer ...
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PubMedCentral-PMC5378168.pdf
... including fMRI, EEG, and MEG in human beings and local field potential recordings in cats, suggesting that they are not a mere methodological byproduct of one signal type in human beings ...by BOLD ...
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The Contribution of Common Surgically Implanted Hardware to Functional MR Imaging Artifacts
... undergoing BOLD fMRI for clinical purposes, primarily those with cerebrovascular dis- ease, epilepsy, and brain ...undergoing BOLD fMRI, future studies incorporating a broader range of ...
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Anatomic Location of Tumor Predicts the Accuracy of Motor Function Localization in Diffuse Lower Grade Gliomas Involving the Hand Knob Area
... present, BOLD fMRI is the prevalent noninvasive preoperative method used to localize the motor ...of BOLD fMRI remains ...unreliable BOLD fMRI results are associated with ...
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Involvement of the visual pathway is not a risk factor of visual field deficits in patients with occipital arteriovenous malformations: an fMRI study
... MRA, BOLD-fMRI, and DTI images then automatically integrated with T1 structural ...the BOLD data were analyzed ac- cording to the stimuli parameters of visual ...
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BRIDGING THE GAP BETWEEN NEUROIMAGING AND NEURONAL PHYSIOLOGY
... negative BOLD fMRI data, composite angle maps for the negative BOLD changes were obtained through a pixel-by-pixel vector addition of the four iso-orientation maps with the negative percent changes ...
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The effect of isocapnic hyperoxia on neurophysiology as measured with MRI and MEG
... Arterial versus total blood volume changes during neural activity-induced cerebral blood flow change: implication for BOLD fMRI.. EEG alpha oscillations: the inhibitiontiming hypothesis.[r] ...
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Design and methods of the NiCK study: neurocognitive assessment and magnetic resonance imaging analysis of children and young adults with chronic kidney disease
... Hypertension has been associated with neurocognitive dysfunction in adults [30-32] and children [33,34] with and without CKD. Possible mechanisms include vascular remodeling, altered cerebrovascular reactivity, or direct ...
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Amygdala Perfusion Is Predicted by Its Functional Connectivity with the Ventromedial Prefrontal Cortex and Negative Affect
... resting-state BOLD data to measure functional connectivity have shown that the basolateral nucleus of the amygdala (BLA) in humans displays a high degree of functional correlation at rest with the ventral medial ...
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Engineering the human blood-brain barrier in vitro
... AMT: Adsorptive-mediated transport; BBB: Blood-brain barrier; BM: Basement membrane; BMECs: Brain microvascular endothelial cells; BOLD fMRI: blood oxygen level dependent functional magn[r] ...
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The Effect of Prior Surgery on Blood Oxygen Level–Dependent Functional MR Imaging in the Preoperative Assessment of Brain Tumors
... of fMRI with the intraoperative results was on the level of the ...of fMRI activa- tion to intraoperative cortical stimulation was not performed on a subgyral ...the fMRI paradigm did not show ...
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Correcting the Variations of BOLD Signal Due to Susceptibility Gradients and Its Application
... If all tissue had the same susceptibility, then there will be no susceptibility-in- duced magnetic field gradients and no wrong echo time. However, in real cases, there are gradients in the magnetic field due to magnetic ...
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Task-related fMRI BOLD response to hyperinsulinemia in healthy older adults
... Given such heterogeneous findings across prior studies, key methodological differences may account for some of the observed discrepancies. Principally, it appears that an increased neural response to elevated circulating ...
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Blood oxygen level dependent magnetic resonance imaging for detecting pathological patterns in lupus nephritis patients: a preliminary study using a decision tree model
... as BOLD MRI have shown considerable value in the evaluation of renal function in healthy patients and patients with renal diseases ...of BOLD MRI in the assessment of the renal oxygenation state in an ...
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What light have resting state fMRI studies shed on cognition and mood in Parkinson’s disease?
... RS fMRI, multiple canonical resting state networks have been described that correspond to critical brain functions including move- ment, language, episodic memory, and executive function, to name a few ...RS ...
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Prior consumption of a fat meal in healthy adults modulates the brain’s response to fat
... of fMRI studies have assessed brain activation to oral fat samples in humans and have shown fat to activate taste, texture, and reward areas ...(6–9). fMRI studies in healthy human subjects have also ...
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