In 2012, researchers Vilayanur S. Ramachandran and Laura K. Case studied a subset of bigender people who have reported that switches in gender are typically involuntary and occur when the individual would rather remain in the other gender.
Researchers Vilayanur S. Ramachandran studied a subset of bigender people. This was in 2012. Laura K. Case studied a subset of bigender people. This was in 2012. Switches in gender are typically involuntary. This was what this subset of bigender people have reported. Researchers Vilayanur S. Ramachandran occur. This is in 2012. Laura K. Case occur. This is in 2012. The individual would rather remain in the other gender.