Really that is all it is. Rather than using a standard set of stimuli, future studies may want to use custom stimuli picked by each participant.
Brain scan study: Bisexual and heterosexual women similarly aroused by male and female erotica
Why Bisexual Women Struggle In Lesbian Relationships
Of course, Gay am not unaware that being transgender has made doing this work somewhat easier for me than it might be for a woman raised from birth to view woman as bisexual passive process. Some male, many are not.
Bisexuals are a small community. As I got older, I found I was more attracted to men, and for a time struggled with the idea that I was bisexual or gay.
13 Things Never to Say to Bisexual People
As a result one rarely hears these concerns echoed in the gay male community; why would a gay man ever fear losing his bi male partner to a woman?
Bisexuality - Wikipedia
Bisexuals are just going through a phase. To me, gender is especially important when it comes to attraction.