Serial Processors News Today

>> you are officially trained. too often though we have to talk on the phone, while typing an e-mail, listening to a co-worker all kinds of stuff. >> sorry, what? multitasking may help us juggle everything, but what is it doing to our brains? abcs t.j. winick found some answers. >> reporter: peter spencer, like a lot of us, believes he is an expert multitasker. >> my feeling is i can focus on whatever issues, i have to deal with many things simultaneously. >> reporter: researchers put him to the...