it is more clearer that the act of doing more than one thing at a time decreases the quality of that one thing if you only did it yourself. >> that seems like common sense from my grandma and i can remember her telling me, do one thing, do it right and then move on. it is a small study, but you did find a gap between younger and older folks, and have you been able to determine why the older we are the more affected we may be to this? >> well, we were looking at what was happening in the brain during this event by recording brain ak t ti wictivity with a l mri machine, and one of the original hypothesis is that older adults were engaging in more interruptions, and that is why it is more disruptive, but what the study shows is that younger and older adults engage in interruption to the same degree, but younger are returning to the memory network while older adults are not as