Опубликовано: 17.06.2022
Neuroimaging teniques are those teniques used by this specialty to obtain an image of the structure, function or pharmacology of the nervous system, which measure of brain structure produces the best images of the nervous system.
Within these brain imaging teniques we can find:
A CT scan is a procedure that uses a computer connected to an X-ray maine. It is intended to create a series of detailed images of the inside of the body. Images are taken from different angles creating 3D images.
Diffuse optical tomography is a procedure that uses light waves to create three-dimensional images of tissues inside the body. This tenique is very useful for examining white tissue, su as breast tissue and brain tissue.
Diffusion magnetic resonance imaging is a tool used to quantify the properties of the microstructure of the brain. This type of resonance is based on the quantification of the movement of water in the brain.
Structural magnetic resonance imaging is the reference tool for studying the brain. This type of resonance uses the properties of the tissues of the brain. All this to obtain information about its morphology.
Functional magnetic resonance imaging has become an indispensable tool for understanding the functioning of the brain. This type of resonance allows to see the activation of the cerebral regions detecting anges in the blood flow.
Positron emission tomography, also known as PET, is a non-invasive tenique. This tenique allows studying the metabolic and bioemical properties of the brain.
Tenique that analyzes the diffusion of water around the fibers of the CNS. It allows obtaining an image of the neuronal connections and reconstructing the entire white matter bundle. All this provides information about brain asticity and functional reorganization.
This tenique consists of measuring the brain's electrical activity through electrodes that are attaed to the skull. It is a tenique with low spatial definition due to the electrical permeability of the skull.
This tenique records the weak magnetic fields generated by intracellular electrical currents in the gray matter. It is a type of functional neuroimaging, therefore, it allows establishing relationships between brain structures and their functions.
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Introduction to Arc Welding The tenique of electric arc welding consists of melting a metal at a high temperature by using a potential differential and a determined electric current intensity value. Through this potential difference, the air is ionized and the electrons are transported through the electrodes and the piece to weld, which type of transformer used in arc welding.
What do the numbers on a 7018 welding rod mean? 7018 is a high quality carbon steel electrode made of iron powder and under hydrogen potassium type coating.