Complex sentence: Kim Peek, inspiration for the film "Rain Man" and renowned for his savant abilities, was born with agenesis of the corpus callosum, along with macrocephaly and damage to the cerebellum.
Split into simpler sentences: Kim Peek, inspiration for the film "Rain Man", is famous for his savant abilities. Peek was born with agenesis of the corpus callosum, along with macrocephaly and damage to the cerebellum.