Structural Functional Mri
Structural Functional Mri - Related Videos
06:06
Optogenetic Functional MRI
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Cited by 15 •
2016
This protocol describes the steps and data analysis required to successfully perform optogenetic functional magnetic resonance imaging (ofMRI). ofMRI is a novel technique that combines high-field fMRI readout with optogenetic stimulation, allowing for cell type-specific mapping of functional neural circuits and their dynamics across the whole living brain.
05:07
Pulmonary Structural MRI using Free-Breathing, Self-Gated Ultra-short Echo Time Imaging
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2024
A protocol is described for generating high-resolution structural images of the lungs using ultra-short-echo time (UTE) Magnetic Resonance Imaging (MRI). This protocol allows for images to be acquired using a simple MRI pulse sequence during free-breathing.
01:56
Structural Protein Function
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2020
Structural proteins are a category of proteins responsible for functions ranging from cell shape and movement to providing support to major structures such as bones, cartilage, hair, and muscles. This group includes proteins such as collagen, actin, myosin, and keratin. Collagen, the most abundant protein in mammals, is found throughout the body. In connective tissue, such as skin, ligaments, and tendons, it provides tensile strength and elasticity. In bones and teeth, it mineralizes to form...
02:09
Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function
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Cited by 2 •
2024
CT and 129Xe MRI provide complementary lung structure-function information that can be exploited for regional analysis using image registration. Here, we provide a protocol that builds from the existing literature for 129Xe MR to CT image registration using open-source platforms.
05:56
Phase-Resolved Functional Lung MRI for Pulmonary Ventilation and Perfusion (V/Q) Assessment
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Cited by 8 •
2024
Here, we describe the implementation of phase-resolved functional lung MRI as a contrast-agent-free proton MR technique for the assessment of pulmonary ventilation and perfusion dynamics. Validated and applicable across different field strengths and age groups, it could enhance clinical decision-making in the future by aiding in disease quantification and therapy monitoring.
FAQs
Interpretation depends on examining anatomical organization alongside functional measurements rather than treating either signal as sufficient by itself. Structural information provides the spatial framework, while functional information indicates regions whose activity-related blood oxygenation changes under the measured conditions. Their correspondence helps clinicians and researchers relate a physical brain feature to its possible functional significance.
Blood-oxygen-level-dependent contrast provides an indirect measurement related to neural activity through changes in oxygenation. This matters because functional MRI does not simply display brain anatomy; it adds information about activity-associated physiological changes. When viewed with structural images, these measurements can help identify where activity-related differences occur within the brain’s anatomical organization.
Combining the approaches supports a more complete interpretation of brain findings. Structural MRI can show detailed organization, whereas functional MRI contributes information about activity-related changes. Considering both can clarify whether an observed disease-related difference has an anatomical, functional, or structure-function relationship, which is more informative than relying on only one type of measurement.
The combined information allows investigators to examine how disease-related changes in brain organization relate to altered functional patterns. This supports studies of neurological and psychiatric disorders by connecting structural findings with activity-related measurements. Such comparisons can improve understanding of disease-associated brain changes and provide a framework for investigating relationships between anatomy and function.
It can help identify functional regions in relation to detailed brain anatomy, an important consideration when planning neurosurgical interventions. This spatial relationship may support interpretation of which areas are structurally relevant and which show activity-related signals. The resulting information can contribute to planning by connecting the intended intervention with the organization and function of nearby brain regions.
In medicine, findings are interpreted by considering anatomical detail and functional measurements together within the clinical or research question. This combined view can improve assessment of brain organization, help localize functional regions, and strengthen interpretation of disease-related changes. Its value lies in relating complementary measurements rather than treating a single imaging result as a complete account of brain status.