Head Coil
Head Coil - Related Videos
07:00
How to Use the H1 Deep Transcranial Magnetic Stimulation Coil for Conditions Other than Depression
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Cited by 13 •
2017
The H1 deep transcranial magnetic stimulation coil is FDA-cleared for the treatment of depression. We demonstrate how to utilize the H1 for other conditions, such as auditory hallucinations and PTSD, by moving the helmet to different locations over the subject's skull.
09:30
Treating Clinical Depression with Repetitive Deep Transcranial Magnetic Stimulation Using the Brainsway H1-coil
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Cited by 3 •
2016
Here we present a protocol outlining the methodology for treatment of Major Depressive Disorder using the deep Transcranial Magnetic Stimulation (dTMS) system.
11:14
Combining Wet and Dry Lab Techniques to Guide the Crystallization of Large Coiled-coil Containing Proteins
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Cited by 2 •
2017
We describe a framework incorporating straightforward biochemical and computational analysis to guide the characterization and crystallization of large coiled-coil domains. This framework can be adapted for globular proteins or extended to incorporate a variety of high-throughput techniques.
01:19
Muscles that Move the Head
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2024
The muscles that move the head are a dynamic and complex group of structures that work together to facilitate a wide range of head movements, including rotation, flexion, extension, and lateral bending. The bilateral sternocleidomastoid, or SCM, and the suprahyoid and infrahyoid muscles are significant head flexors. The SCM muscles originate at the sternum and clavicle and attach to the mastoid process of the temporal bone. The SCM contracts bilaterally to bend the head forward, whereas...
07:01
Head Implants for the Neuroimaging of Awake, Head-Fixed Rats
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2022
A detailed new procedure for functional imaging of awake, head-fixed rats is described.
FAQs
The two functions serve different stages of signal formation. Transmission delivers the RF excitation pulses that stimulate the MRI measurement, whereas detection captures signals from the brain and surrounding head tissues. Coordinating both roles at the scanner’s resonant frequency supports imaging and magnetic resonance spectroscopy measurements.
Resonant-frequency tuning aligns the coil’s electromagnetic behavior with the MRI system during scanning. The coil must generate or receive fields at the frequency used for excitation and signal detection, so tuning links its operation to the scanner’s RF conditions. This relationship is important for obtaining measurements that the selected MRI method can use.
Close placement improves the coil’s sensitivity to signals from the brain and surrounding head tissues while supporting spatial coverage across the scanned region. These two effects directly influence how effectively the MRI system captures information from the head. In neuroscience, that relationship supports measurements of anatomy, function, connectivity, and disease-related changes.
Design affects several practical properties of an MRI acquisition, including signal-to-noise ratio, image quality, scan speed, and measurement reliability. These properties determine how clearly researchers can characterize brain structures and how consistently they can evaluate functional, diffusion, or spectroscopy data. Consequently, coil design is part of the measurement strategy, not merely a hardware detail.
Researchers should consider how the coil’s design affects the needs of the planned acquisition. A study may depend on signal-to-noise ratio, image quality, scan speed, or reliable measurements, so the relevant design should be evaluated in relation to the intended structural, functional, diffusion, or spectroscopy application. This connects hardware choice with the study’s scientific objectives.
Head coils support several major MRI approaches used in neuroscience, including structural MRI, functional MRI, diffusion imaging, and magnetic resonance spectroscopy. Each approach uses measurements from the brain or surrounding head tissues to address different scientific aims. Together, these applications make the coil relevant to studies of anatomy, brain function, connectivity, and disease.
The measurements supported by a head coil can contribute to investigations of brain anatomy, connectivity, function, and disease. Structural MRI addresses anatomical information, while functional and diffusion approaches provide additional perspectives on brain organization and activity. Magnetic resonance spectroscopy extends the research scope by supporting measurements beyond conventional structural or functional imaging.