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Two heads are n’t always beneficial than one , at least when it come to memory .
People who learn fact in groups remember less than solo student do , allot to a newly published overview of remembering research . The grouping as a wholeremembers morethan any single memorizer would have , but the the great unwashed in the group fail to live up to their full memory potential , each recalling less than if they ’d studied alone .
Studying alone may be better than a group session.
On the other helping hand , according to study researcher Supama Rajaram , a psychologist at Stony Brook University in New York , other masses ’s memories can enrich our own , as can be certify by anyone who suddenly retrieve a long - ago event when another individual bulge telling a storey .
Until lately , psychologists did n’t compensate much attention to the social facial expression of retentiveness . Most studies focalize on masses ’s individual memory abilities and factors that either encouragement or bustmemory formationand recall . But Rajaram and others have bulge out to include more naturalistic circumstance in their studies , like those that might be check in a classroom , a group of supporter , or even a nation .
" If a small grouping can remold memories , we see how individuals derive to hold certain viewpoints or perspectives , " Rajaram said in a argument . " That can wait on as a manikin for how corporate identities and histories are shaped . "
One way people in radical tend to break up each other ’s memories is by encroaching on other ’s bailiwick habit . Everyone has favorite method of nibble information out of their minds , so working with others can be distracting . And then there ’s a phenomenon shout " social infection , " in which one mathematical group member brings up an mistake or " remembers " something that did n’t fall out . Thoseerroneous memoriescan hostel in other group members ' brain as real .
The flip side of social contagion is error pruning , in which someone correct another person ’s phony recollection . Perhaps the most familiar help hired man of collaborative computer storage is the " cross cue stick , " in which someone jogs another person ’s memory , fetch long - forgotten recollections to the surface .
irrespective of its pitfalls and benefits , collaborative retentiveness sate an emotional pauperization . Rajaram recalled an older duet she love , one of whomdeveloped dementia . Suddenly , the other was bereft of reminiscences about the past .
" When the other somebody can not validate shared memory , " Rajaram say , " they are both robbed of the past tense . "
The overview appear in the April edition of the journal Current Directions in Psychological Science .
