Brain activity white matter fibres

Brain activity white matter fibres

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Credit: ALFRED PASIEKA/SCIENCE PHOTO LIBRARY

Caption: White matter fibres overlaid a human head x-ray. Coloured 3D diffusion spectral imaging (DSI) scan of the bundles of white matter nerve fibres in the brain. The fibres transmit nerve signals between brain regions and between the brain and the spinal cord. Diffusion spectrum imaging (DSI) is a variant of magnetic resonance imaging (MRI) in which a magnetic field maps the water contained in neuron fibers, thus mapping their criss-crossing patterns. A similar technique called diffusion tensor imaging (DTI) is also used to explore neural data of white matter fibres in the brain. Both methods allow mapping of their orientations and the connections between brain regions. Data/software: NIH Human Connectome Project / www.humanconnectomeproject.org).

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Keywords: brain, connections, diffusion spectral imaging, diffusion tensor imaging, dsi scan, dti, dti scan, fibers, fibre tracking, fibres, head, human, human brain, mapping, mri, nerve bundles, nerve fibre, nervous system, network, neural, neuroimaging, pathway, pathways, white matter, x-ray, xray

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