Nairobi, May 16 -- An American-born boy with Kenyan roots is making headlines in the United States after being accepted into four Ivy League universities.

Emmanuel Gitu, 18, has been accepted to a total of 31 colleges, including the four Ivy League universities of Harvard, Princeton, Yale and Cornell.

Gitu is a senior at Springfield High School in Delaware County and will attend Harvard University later this year.

He told CBS News that he was inspired to study neuroscience by his brother Ian Gitu, who has autism spectrum disorder (ASD), in hopes of finding answers to why people with autism and people without autism think differently.

ASD is a neurological and developmental condition that affects the way people interact with others, co...