the postulation that individuals who are reared nearby or in the same home do not find each other sexually appealing when they're older. It is based upon the view that individuals who had significant contact with each other as kids hardly ever married, regardless of being accessible as a potential partner.

WESTERMARCK EFFECT: "The Westermarck effect prevented Wendy from marrying her cousin Lyle, whom she had grown up living with. "
Cite this page: N., Pam M.S., "WESTERMARCK EFFECT," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/westermarck-effect/ (accessed May 11, 2021).