Elekta Neuromag® TRIUX State-of-the-art Magnetoencephalography The next level in functional mapping

The Path to the Future of MEG Starts Here As the leader in MEG technology, Elekta is pleased to introduce Elekta Neuromag® TRIUX. The most advanced magnetoencephalography system available, Elekta Neuromag TRIUX takes functional brain mapping to the next level. Magnetoencephalography (MEG) is rapidly becoming an indispensible brain imaging Why Elekta Neuromag® TRIUX? Unique MEG Benefits Direct Measure of Brain Activity Whereas imaging techniques such as fMRI, PET, and SPECT are secondary measures of brain function, MEG provides a direct measure of electrical activity in the brain. Resilient performance...

Functional Mapping with MEG Elekta Neuromag® TRIUX is particularly effective in the non-invasive, pre-surgical localization of epileptic foci among epilepsy patients, as well as in the functional mapping of sensory, cortical and autonomic responses. Furthermore, MEG users continue to make breakthroughs in brain research. MEG is finding a role in the detection and diagnosis of psychiatric, developmental and neurodegenerative disorders. It can also help to reveal biomarkers for disease states or treatment responses, and promote a better understanding of the mechanisms leading to these conditions....

Preparation Metal disturbs MEG measurements (but is not dangerous, as with MRI), so patients should first remove any metallic objects. Most dental work is small enough so as not to cause magnetic disturbances. Positioning Coils The patient is fitted with a set of head-positioning coils. These are small and are painlessly affixed with tape. The location of the coils with respect to anatomical landmarks on the head is then determined with a three-dimensional digitizer. This enables precise alignment of the MEG coordinates with the anatomy provided by separate MRI images. Shielded Room Next, the...

Core Technology MEG is based on the ability to detect very weak magnetic fields that originate from electrical activity within the brain. These signals are detected with an array of devices known as Superconducting Quantum Interference Devices (SQUIDs) that are placed close to the scalp. SQUIDs can detect tiny magnetic signals, much less than one-billionth the strength of the Earth's magnetic field, and then convert these into recordable electric voltages. SQUIDs are used in combination with superconducting pickup coils, which act like antennae. When a magnetic signal from the brain traverse...

Sensors Elekta Neuromag® TRIUX employs thin-film sensors of two different types integrated on 102 sensor elements. Each is equipped with three independent sensors with different sensitivity patterns. Each sensor element contains a magnetometer that measures the normal field component. These sensors are highly attuned to all signals, whether from deep or superficial sources - regardless of orientation. Each sensor element also provides two orthogonal planar gradiometer sensors for measuring the gradient components. These sensors are highly immune to environmental interference. The primary advantage...

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