Brain tissue is very soft and full of water, and through autolysis it usually begins to decompose rapidly after death. Nevertheless, it can sometimes be preserved.
In 1998, archaeologists excavated the fossilized remains of an 18-month-old infant from a burial site near Quimper in France. The child had died about 700 years previously, and its body was found wrapped in leather and placed in a wooden coffin with a pillow under its head. The skull had a large fracture, suggesting a brain hem