The human brain can only maintain 150 stable social relationship.



It seems we have a mental limit when it comes to relationships. in 1992,British an anthropologist by the name of Robin Dunbar theorised that a person can have a maximum number of 150 ‘stable relationships’ at any one time in their life.Anyone outside this circle becomes an acquaintance rather than a friend- people you remember, but who aren’t currently active in your life.


Oxford University Professor Robin Dunbar has conducted a study of social groupings throughout the centuries, from neolithic villages to modern office environments.
His findings, based on his theory 'Dunbar's number', developed in the 1990s, asserts that size of the part of the brain used for conscious thought and language, the neocortex, limits us to managing 150 friends, no matter how sociable we are.


The professor of Evolutionary Anthropology has applied this theory to see if the 'Facebook effect' has stretched the size of social groupings.He compared the online 'traffic' of people with thousands and friends to those with hundreds.


His findings show that there is no discernible difference between the two.
'The interesting thing is that you can have 1,500 friends but when you actually look at traffic on sites, you see people maintain the same inner circle of around 150 people that we observe in the real world,' said Dunbar.
'People obviously like the kudos of having hundreds of friends but the reality is that they’re unlikely to be bigger than anyone else’s.'


Dunbar defined 'maintained' friends as those you care about and contact at least once a year.He has also found that women are better at maintaining friendships on Facebook.

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