Subjects Of Study
J. David Smith wrote a book in 1988 called Psychological Profiles of Conjoined Twins. The book went over some of the in-depth tests that were conducted on the twins. One thing that was discovered was that even though they have average IQs, they seem slower due to a lack of education.
That isn’t that big of a deal, but another issue was discovered. Ronnie and Donnie have bouts of anger also. This has gone on since they were young and often what led to the fights they would get in.