The brain ’s long - term memory allows us to maintain onto experiences long after we initially chance them . But curt - full term remembering is a more fleeting and mysterious phenomenon , allowing us to flow onto a view only until we ’re distracted by something else .
While the basics of how the brain create retentive - term memories is decently well realize – it ’s essentially just a dubiousness of encode information in the genius so that it can be call back later on – short - full term memory is harder to understand . After all , the whole point of short - terminus memory is that nothing is being register , at least not for more than about twenty to thirty seconds . Researchers at the Max Planck Institute for Biological Cybernetics – which is one of the more awe-inspiring things a Max Planck Institute can be for – decided to get to the bottom of this whodunit .
Previous enquiry has shown that body structure in the head-on area of the brain are involved in short - term memory , whereas ocular data is march in areas find in the back of the brain . That ’s tricky , because the subjects of forgetful - term storage are often things you just saw – in other word , ocular information . Those two distant persona of the brain want to be capable to mould together for our brains to hold onto optic selective information in the short - terminus .
To figure out how all this puzzle out , the researchers showed some images to rascal while record electrical activity in both of these cardinal regions of their mind . After being ab initio shown one picture , the scamp would be evince another after a short shift , and they had to habituate their scant - condition memory to calculate out whether they were looking at the same picture or a dissimilar one .
Here ’s where thing get interesting – the electrical activeness revealed strong oscillations in a special solidification of frequencies known as the theta - ring . What ’s more , the frequency coming from the two separate regions of the brain actually sync together when the monkeys tried to recall information from their short - term memory . The level of synchronisation vary , but the more draw up the two sets of frequency were , the skilful the monkeys were at remember what they had come across . In a statement , first author Stefanie Liebe discover this phenomenon :
“ It is as if you have two revolving doorway in each of the two areas . During work memory , they get in sync , thereby allowing selective information to pass through them much more efficiently than if they were out of sync . ”
It ’s a really intriguing final result , as it helps show how distant regions of the head can transmit to do complex bit at breakneck speed . It ’s passably amazing to think of a pair of electrical currents whose frequency are constantly spinning in and out of sync in our brains every time we endeavor to remember something we were looking at five second ago .
ViaNature Neuroscience . Image by Sebastian Kaulitzki , viaShutterstock .
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