Neanderthal genes may explain why some people have Chiari malformation type I, a condition in which the brain bulges out of the back of the skull.

The origin of some neuropsychiatric diseases, such as autism, bipolar disorder, or depression, and certain neurodegenerative diseases, Alzheimer's and Parkinson's, can be found in very early stages of brain formation in the fetus.

HEALTH Researchers find sources of four brain disorders, which could lead to new treatments Dysfunctions in certain parts of the brain were linked to Parkinson’s, OCD and other diseases