Medical research

Blood flow makes waves across the surface of the mouse brain

Researchers have, for the first time, visualized the full network of blood vessels across the cortex of awake mice, finding that blood vessels rhythmically expand and contract, leading to "waves" washing across the surface ...

Neuroscience

What factors predict when older adults will stop driving?

What factors lead older adults to stop driving? A new study followed older adults who had no memory or thinking problems to examine this question. The study is published in the May 22 online issue of Neurology.

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Cerebrospinal fluid

Cerebrospinal fluid (CSF), Liquor cerebrospinalis, is a clear bodily fluid that occupies the subarachnoid space and the ventricular system around and inside the brain. Essentially, the brain "floats" in it.

More specifically, the CSF occupies the space between the arachnoid mater (the middle layer of the brain cover, meninges) and the pia mater (the layer of the meninges closest to the brain). It constitutes the content of all intra-cerebral (inside the brain, cerebrum) ventricles, cisterns and sulci (singular sulcus), as well as the central canal of the spinal cord.

It acts as a "cushion" or buffer for the cortex, providing a basic mechanical and immunological protection to the brain inside the skull.

This text uses material from Wikipedia, licensed under CC BY-SA