When you are thinking about the person you love deeply,there is an increase in activation of the:

A) hippocampus.
B) amygdala.
C) fusiform gyrus.
D) caudate nucleus.

The caudate nucleus is a part of the brain that is associated with reward and pleasure, and it is activated when individuals experience romantic love. Research has shown that the activation in the caudate nucleus is particularly strong when individuals view pictures of their romantic partners. The other brain areas listed may also play a role in love and relationships, but the caudate nucleus is the most closely associated with romantic love.