40-Year Follow-Up on Marshmallow Test Points to Biological Basis for Delayed Gratification
Wednesday, August 31, 2011 - 14:00
in Psychology & Sociology
A landmark study in the late 1960s and early 1970s used marshmallows and cookies to assess the ability of preschool children to delay gratification. If they held off on the temptation to eat a treat, they were rewarded with more treats later. Some of the children resisted, others didn't. A newly published follow-up revisits some of the same children, now adults, revealing that these differences remain: Those better at delaying gratification as children remained so as adults; likewise, those who wanted their cookie right away as children were more likely to seek instant gratification as adults. Furthermore, brain imaging showed key differences between the two groups in two areas: the prefrontal cortex and the ventral striatum.