50 Facts of Grey…Matter

  1. The brain is made up of 75% water.

6.

There are over 100k
miles of blood vessels
in the human brain.
That’s enough to circle our planet FOUR times.

Diffusion tractography of the brain, displaying some of the long white matter bundles (red: left-right, green: anterior-posterior, blue: head-foot). Visible are the cortico-spinal tract fanning out in the corona radiata (blue/purple), the long cortico-cortical association bundles (green), and ponto-cerebellar fibers (orange/red). The data was acquired and processed on a GE MRI scanner at 3 Tesla (MR750), using diffusion spectrum imaging accelerated with compressed sensing, a technique developed at GE Global Research.

27.

The old axiom that
“We only use 10% of our brain.” is a myth. We use much closer to 100% of our brain.

33.

There is a widely held theory that yawning helps to cool the brain
if it gets too hot.

This image shows complex patterns of connectivity of the human cortex measured in vivo with MRI via diffusion of water molecules in axons in the white matter. The colors depict average directional anisotropy of white matter voxels (fractional anisotropy of a diffusion tensor model) — blue: more anisotropic, yellow: less anisotropic. The data was acquired and processed on a GE MRI scanner at 3 Tesla (MR750), using diffusion spectrum imagingaccelerated with compressed sensing, a technique developed at GE Global Research. Credit: Luca Marinelli, Ek Tsoon Tan

48.

While crazy to consider, people can actually survive with half of
a brain.

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GE is the world’s Digital Industrial Company; transforming industry with the GE Store’s shared tech & software solutions, allowing machines to connect & learn.

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