Brain irrelevance filter found.
December 11th 2007 22:29
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From the BBC comes the news that scientists believe they have found an area of the brain good for filtering out irrelevant information.
People who are good at remembering things, even with distractions, have more activity in the basal ganglia on brain scans, the Swedish team found.
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BUT
There will be many brain regions that filter irrelevant information, so it is too early to tell if these findings will have a bearing on conditions such as ADHD
John Duncan
Medical Research Council scientist
So it is early days yet to finding out more about this area and what can be gained from the information.
But it does provide a key which unlocks our perceptions of what memory does and how well some do it in comparison with others.
Working memory is involved, which is active all the time, allowing us to do
simple mathematics or recall a telephone number, for example.
It has limited capacity and appears to vary on an individual basis, and also involves this filtering capacity.
But there are bound to be other areas useful for filtering so it is not possible to draw conclusions about this particular area.
It is the basal ganglia that are being caught in the spotlight of attention.
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Another very interesting post.
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