
(This posting includes a handout LINK AT THE END OF THIS POST which you are welcome to use with your students.) *
You are in your room studying. Your assignment is to read an article for your class. However, you are having trouble paying attention. While you are reading, you start thinking about other things, such as messages, what you will eat for dinner, or the movie you watched last night. After reading a few sentences, you realize you need to read them again to remember what you just read. One possible reason for this might surprise you.
In one study, participants looked at a face on a computer for only 75 milliseconds—less than one-tenth of a second. Sometimes, a second face appeared next to the first and distracted them. The participants pressed a computer key as quickly as possible to identify the face as male or female. They did this with 240 faces.
The first time they took the test, the participants breathed clean air. (See complete article below.) Continue reading


