Jun
23

MNI ICBM color composite human brain volumes

A variety of sections and a few surface renderings of the masked color composite brain.

(WOW! This was sent by Mark Dow from the University of Oregon Lewis Center for Neuroimaging, creator of one of my favourites sites around the web. Thank you very much, I’m impressed. Oh! and a good method to celebrate the entry number one thousand in Science is Beauty)

False color composite volumes are constructed from MRI of human brains, with each contrast represented in separate color channels. The weighted image values are non-linearly scaled to emphasize various aspects of human brain anatomy.

    1H MRI provides a 3-D map of hydrogen nuclei, mostly within water molecules, weighted by nuclear spin relaxation rates. Different weighting provides slightly different information about the density and molecular environment of hydrogen nuclei.

    The ICBM 152 Nonlinear atlases version 2009, are volumes constructed from non-linearly coregistered averages from MRI volumes of 152 subjects. They provide spectacular detail and low noise for typical features of the human brain. Comparable volumes for T1, T2 and PD (proton/spin density) weighting are included. Averages of many subjects are frequently used in neuroscience as coregistration targets for spatially transforming MRI data of individuals into a common space (coordinate system), often called MNI space.

EDIT

Mark Dow has contacted with me to add the link to the original source:

If anyone wants to know details about the color compositing, get the 3-D volume of which these are slices, and a location for the original image, this is the link (I should have included it):

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    I can’t wait til I start neuroscience :3
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