Marshmallow temptations, brain scans could yield vital lessons in self-control

By Carey Goldberg

Globe Staff / October 22, 2008

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It is a simple test, but has surprising power to predict a child's future. A 4-year-old is left sitting at a table with a marshmallow or other treat on it and given a challenge: Wait to eat it until a grown-up comes back into the room, and you'll get two. If you can't wait that long, you'll get just one. (Full article: 1104 words)