Complex sentence: He also described the Kuzniecky Syndrome in 1991, also known as Perisylvian Polymicrogyria, the Syndrome is characterized by seizures, cognitive abnormalities, and a peculiar inability to use the mouth and tongue muscles.
Split into simpler sentences: He also described the Kuzniecky Syndrome in 1991, also known as perisylvian polymicrogyria. The syndrome is characterized by seizures, cognitive abnormalities, and a peculiar inability to use the mouth and tongue muscles.