In the FMRI Study of Love-Struck Young Adults Discussed in the Focus

In the fMRI study of love-struck young adults discussed in the Focus on Neuroscience box, researchers Andreas Bartels and Semir Zeki found:

A) that romantic love activated some of the same brain areas that are involved in positive emotions.
B) distinct gender differences in the patterns of brain activation.
C) that, when participants viewed a photo of their lover, it activated two key memory areas of the brain, the hippocampus and the amygdala.
D) equal degrees of brain activation in response to a photo of the person's lover and in response to a photo of a good friend.