When compared to viewing emotionally neutral film excerpts, viewing erotic
film excerpts was associated, for both genders, with bilateral blood
oxygen level dependent (BOLD) signal increases in the anterior cingulate,
medial prefrontal, orbitofrontal, insular, and occipitotemporal cortices,
as well as in the amygdala and the ventral striatum||Sherif Karama; Andre R. Lecours; Jean-Maxime Leroux; Pierre Bourgouin; Gilles Beaudoin; Sven Joubert; Mario Beauregard. Areas of brain activation in males and females during viewing of erotic
Human Brain Mapping 16(1):1-13, 2002.