Ignoring useless information aids memory: study

I have been suspecting this for a long time and now seems like there is an explanation for this. Ironically, I ran across of this information while browsing through useless information. This may also mean that if you are reading this entry – you are wasting your time, but anyways here is goes:

Filtering out useless information can help people increase their capacity to remember what is really important, researchers said on Wednesday. Scientists at the University of Oregon in the United States have demonstrated that awareness, or visual working memory, does not depend on extra storage space in the brain but on an ability to ignore what is irrelevant.

Full article is here:

http://news.yahoo.com/s/nm/20051123/hl_nm/science_brain_dc;_ylt=ApkWWU8e8bPPIi96M3nJa78DW7oF;_ylu=X3oDMTBiMW04NW9mBHNlYwMlJVRPUCUl