I want to know the answer to the following question:
What was the only difference in the study between gay and straight men?
All the background I'm provided with is that "A study on how heterosexual and homosexual men's brains react to seeing pictures of naked men and women has found that both hetero- and homosexual men react positively to seeing their preferred sex, using the same brain regions.". Is that enough to answer the question?
Answer: no