A Tale of Monogamy and Dopamine

In a recent hack, private information from nearly 30 million users was leaked from Ashley Madison, a “dating” website intended to facilitate extramarital affairs.  The sheer number of Ashley Madison users on this website raises some age-old questions of monogamy: is it instinctual, or even healthy?  What is it about our brains that cause some to seek monogamy and others to reject it?Continue reading

Blondes or Brunettes: It’s All About Conditioning

Like it or not, we all have preferences in choosing romantic partners.  Piercings, freckles, hair color, eye color, body physique – through adolescence and into adulthood, we begin to develop sexual preferences to help guide our choice in whom to talk to, whom to date, and whom to marry.  While it’s tempting to attribute these tendencies to hormonal activity, much of our mate preference is due to classical conditioning.  Much like aversion (which has already been thoroughly studied in the context of fear conditioning), sexual preferences may also be an example of classical conditioning.Continue reading