Westermarck

As Freud's rival Edward Westermarck argued, there's an innate tendency to develop revulsion at the idea of sex with close childhood contemporaries who usually are siblings.

When Scientists Confuse Cause and Effect Matt Ridley 2011

It is of course well known that anthropology includes a substantial body of work, such as the classic studies of Westermarck (1906) and Sumner (1934), detailing the radically divergent moral outlooks found in cultures around the world.

Hanging 2009

The reason we don't experience it under normal circumstances is the Westermarck effect.

"(The brother and sister) met later in life and felt an inevitable attraction..." Ann Althouse 2008

I've seen the Westermarck effect play out in adults who grew up together in a co-ed boarding school dorm.

"(The brother and sister) met later in life and felt an inevitable attraction..." Ann Althouse 2008

Westermarck argued in the early 20th century for what is called not by him the "Westermarck effect": individuals raised together from infancy display a lack of erotic interest in one another when they reach sexual maturity.

Boring but Right Steve Sailer 2005

Westermarck argued in the early 20th century for what is called not by him the "Westermarck effect": individuals raised together from infancy display a lack of erotic interest in one another when they reach sexual maturity.

Archive 2005-03-27 Steve Sailer 2005

Westermarck argued that the effect is an adaptation to prevent the harmful genetic effects of close inbreeding -- since those raised together are commonly siblings -- but that it incidentally reduces sexual activity even among non-siblings raised together.

Boring but Right Steve Sailer 2005

Westermarck argued that the effect is an adaptation to prevent the harmful genetic effects of close inbreeding -- since those raised together are commonly siblings -- but that it incidentally reduces sexual activity even among non-siblings raised together.

Archive 2005-03-27 Steve Sailer 2005

All sorts of evidence, both human and non-human, now supports both the harmful effects of inbreeding and the "negative imprinting" proposed by Westermarck,.

Boring but Right Steve Sailer 2005

And Westermarck also did a huge amount of what is basically evolutionary psychology both on human marriage and sexuality, and on morality.

Boring but Right Steve Sailer 2005