What is your definition of "high intelligence"? This is an interesting issue discussed in Keith Stanovich's new book,
http://yalepress.yale.edu/yupbooks/book.asp?isbn=97803001238...
which you probably would enjoy reading, as I did.
http://yalepress.yale.edu/yupbooks/book.asp?isbn=97803001238...
which you probably would enjoy reading, as I did.