Researchers created a high-definition scan of a mouse's brain that is 64 million times sharper than a normal MRI.
Scientists recently boosted the resolution of magnetic resonance imaging to 64 million times higher than normal. They used the technique to take captivating, high-definition images of a mouse brain, showing the organ like never before.
MRI uses powerful magnets to generate magnetic fields, which cause the hydrogen atoms within water molecules in the body to align their"spins," or point in a specific direction. The machine then uses a pulse of radio waves to"flip" the atoms' spins. The atoms then fall back into alignment, and each flip generates a radio signal that can be detected by the MRI scanner and used to make an image.
After scanning the mouse brain, the researchers sent tissue samples to be imaged using a technique called light sheet microscopy, which allowed them to label specific groups of cells in the brain that were then mapped onto the original MRI. These additional steps provided a colorful view of cells and circuits throughout the brain, according to the statement.
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