👉 Synorchidism is a condition in which there is an abnormal development of the brain's cerebrum. In humans, it can occur when the cerebrum has not developed fully yet or when it has partially developed but not yet matured completely. It is a rare genetic disorder that affects about 1 out of every 40 million people worldwide. Synorchidism typically begins in childhood and progresses to adulthood. The symptoms of synorchidism can vary, but are often associated