What Sexy People Do To Your Intelligence from Psyblog

 So when you are taking a cognitive test post stroke make sure it is not a person you are attracted to.

What Sexy People Do To Your Intelligence

A couple of paragraphs from there:

People become cognitively impaired in the presence of an attractive member of the opposite sex, research finds.

The drop in intelligence is particularly strong for men.

The more attractive the woman, the more men’s test scores plummeted, psychologists found.

It may be because men are so concerned about making a good impression that they have few mental resources left over for anything else.

The study involved people talking to members of the opposite sex before completing cognitive tests.(But this assumes heterosexuality, so this is not really valid research)