FILE - In this Nov. 25, 2011 file photo, shoppers grab televisions at a store in Knoxville, Tenn., minutes after it opened. Plenty of Americans are having to hold back this year as the lure of flashy ... more 
FILE - In this Nov. 25, 2011 file photo, shoppers grab televisions at a store in Knoxville, Tenn., minutes after it opened. Plenty of Americans are having to hold back this year as the lure of flashy ads, tempting bargains and family expectations clashes with the realities of the economy. Experts in consumer behavior say that situation can strain the brain. Scientists say we are to some extent wired for shopping. It seems to tap into circuits that originally spurred our ancestors to go out looking for food, says Brian Knutson, an associate professor of psychology and neuroscience at Stanford University. (AP Photo/The News Sentinel, Wade Payne) less 
1 / 1
Associated Press | Photo By The News Sentinel, Wade Payne
Sun, Dec 18, 2011 8:56 AM EST