One jar, labeled “Down’s Syndrome” (above), seems to comprise multiple mind, and presumably different inner organs. Many jars are lacking labels; little is understood concerning the folks whose brains these had been.
Some abnormalities are apparent, like lissencephaly, or “easy mind,” a neurological dysfunction that often results in an early dying. Most of the brains seem superficially regular however reveal swelling or hemorrhage as soon as dissected.