Thursday, April 21, 2011

Spring Clean Your Mind...

Time to spring clean... your mind? Scientists say memory lapses can be blamed on too much irrelevant information

By Fiona Macrae
Last updated at 2:06 PM on 21st April 2011
  If you struggle to remember names and numbers or frequently fail to follow the plot of a film, help could be at hand.
Scientists say the problem is that you know too much – and you need to declutter, or spring-clean your mind.
Experiments show that the memory lapses that come with age are not simply due to brain slowing down.

Time to declutter: Scientists say if you're struggling with memory function it might be because you know too much 
Time to declutter: Scientists say if you're struggling with memory function it might be because you know too much

Instead, they can be blamed on the well-used brain finding it more and more difficult to stop irrelevant information interfering with the task in hand.

The first step in the study was to compare the working memory of the young and old. Working memory involves holding information in mind while manipulating it mentally.
Examples in everyday life include retain plots of films and books to understand or predict what will happen next and following the thread of a conversation while working out how you can contribute to the topic.
In the context of the study, it involved giving the volunteers groups of sentences and asking them to work out whether each line made sense – and to remember the last word of each sentence.

Stay sharp by playing music 
Overall, the younger people, who had an average age of 23, did better, the Quarterly Journal of Experimental Psychology reports.

Welcome to Bournemouth
Welcome to Bournemouth

The Canadian researchers then did a second experiment to see what was hindering  the older volunteers, who had an average age of 67.

This involved being shown a pictures of eight animals and being asked to memorise the order in which the creatures appeared.

The volunteers were then shown dozens of the pictures and asked to click on their computer mouse when the first animal in their memorised sequence occurred, then the second and so on.

The older adults found it more difficult to progress, suggesting the previous picture was stuck in their mind.

Age-old problem? Memory lapses can affect the young as well as old

Age-old problem? Memory lapses can affect the young as well as old
Mervin Blair, of Montreal’s Concordia University, said: ‘We found that  the older adults had more difficulty in getting rid of previous information.

‘We found that that accounted for a lot of the working memory problems seen in  the study.’
A third study confirmed that the memory problems were not simply due to a  simple slowing down of the mind.

Mr Blair, a PhD candidate, says that the older mind appears to have trouble  suppressing irrelevant information. This makes it more difficult to concentrate on the here and now.

For those who have trouble remembering, he suggests relaxation exercises to  declutter the mind.
‘Reduce clutter, if you don't, you may not get anything done.’
Keeping the mind young, through learning a language or musical instrument can also help.

He added that younger people can also fall foul of memory lapses caused by a failure to suppress extraneous information, with sleepless nights making it  harder for the brain to function properly.

Previous research has found that the part of the brain that keeps embarrassing  thoughts in check also weakens with age, leading to people losing some of their  inhibitions.
In other words, outspoken old people aren't being rude - they just can't hold  their tongues.


  • Get a good night’s sleep
  • Take up meditation or yoga to calm the mind
  • Learn a language or musical instrument to keep the mind young
  • Do crossword puzzles to keep the brain active
  • Exercise for a healthy mind as well as a healthy body
  • Socialise to keep the mind sharp







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