Some of the participants showed strong reactions on the EEG to nearly all of the intimacy-themed images, regardless of whether they were explicit.
These were the same people who reported having more partners.
For these people, said Prause, it's not a chasing of a high or a reward but a biological sensitivity to sexual cues that sets their arousal threshold at a much lower level.
We may be wired to want sex, but that does not mean the wiring can't be re-routed, she said in the study published in the journal Social Cognitive and Affective Neuroscience.