What did Dr. A. Carothers include in his report for the World Health Organization in 1954 as noted in the nonfiction book, The Wretched of the Earth?

Dr. A. Carothers, a leading psychological researcher of the 1950s, wrote a report for the World Health Organization in 1954 stating that the typical African is a "lobotomized" European deficient in mentality and morality to conduct his own affairs.