Mri Safety
Mri Safety - Related Videos
04:53
Electrical Safety
0 Views •
2023
Robert M. Rioux & Suprita Jharimune, Pennsylvania State University, University Park, PA Among the many hazards present in the laboratory, electrical hazards are one of the most common we must be cognizant of since most of the laboratory equipment we use requires electricity for operation. Improper handling or operation of electrical devices might lead to electric shock with the potential risk of injury or even death. Electric sparks can lead to fire or explosion (since many flammable...
06:06
Optogenetic Functional MRI
0 Views •
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.
01:28
Survey Safety
0 Views •
2025
Surveying near highways, rough terrain, or power lines involves significant risks. Working along highways is particularly dangerous and requires the use of warning signs and flagmen. It is safest to avoid working directly on roads and use offsets whenever possible. When highway work is unavoidable, it must follow all safety guidelines. Surveyors should wear bright clothing, such as orange reflective vests, to ensure visibility to motorists, coworkers, and hunters. In construction zones, wearing...
09:33
MRI Mapping of Cerebrovascular Reactivity via Gas Inhalation Challenges
0 Views •
Cited by 79 •
2014
Non-invasive imaging of the brain vasculature’s ability to dilate or constrict may allow a better understanding of cerebrovascular pathophysiology in various neurological diseases. The present report describes a reproducible and patient-comfortable protocol to perform vascular reactivity imaging in humans using magnetic resonance imaging (MRI).
09:36
Electrical Safety Precautions and Basic Equipment
0 Views •
2023
Source: Ali Bazzi, Department of Electrical Engineering, University of Connecticut, Storrs, CT. Electric machines and power electronics experiments involve electrical currents, voltages, power, and energy quantities that should be handled with extreme diligence and care. These may include three-phase AC voltage (208 V, 230 V, or 480 V), up to 250 V DC voltages, and currents that can reach 10 A. Electrocution occurs when an electrical path is established through the body with very low currents...
FAQs
The static magnetic field can pull ferromagnetic objects toward the scanner, turning otherwise ordinary items into hazards. Screening must therefore identify metal objects and implants before entry, while controlled access prevents unscreened people or equipment from approaching the scanner. These precautions protect participants, staff, and the imaging system from force-related incidents.
Radiofrequency pulses can heat conductive materials during imaging. This makes materials associated with a participant an important part of safety screening, even when they are not strongly attracted by the static field. Identifying potential conductive hazards helps reduce avoidable discomfort or injury and supports safe participation in behavioral tasks performed inside the scanner.
Rapidly switching gradient fields produce loud acoustic noise and may cause nerve stimulation. Hearing protection helps reduce discomfort from the noise, while participant monitoring allows staff to respond to problems during scanning. Managing these effects also matters scientifically because discomfort or distraction can interfere with stillness, task compliance, and the quality of behavioral data.
The procedure begins by screening participants for implants and metal objects before they approach the scanner. Access to the scanner room is then controlled so that only screened people and appropriate equipment enter. Together, these steps address hazards from the magnetic field and help establish consistent conditions for safe behavioral research sessions.
Participants should receive hearing protection and remain under observation throughout imaging. Safety monitoring is paired with clear task instructions and attention to whether the participant can remain still and continue the requested activity. This combination reduces discomfort and helps preserve the participant’s ability to perform behavioral tasks consistently during data collection.
In behavioral studies, safety measures influence both participant welfare and data reliability. Reducing discomfort, preventing avoidable injury, and limiting distraction can help participants remain still and follow task instructions. As a result, MRI safety is not only an ethical requirement; it also supports more dependable observations of behavior during imaging.