Your peers affect your IQ

If you want to get brighter, only mix with the brightest, or suffer the consequences

That’s according to Professor James Flynn, who was once considered controversial because of his research which suggested that people were getting more intelligent each generation – the Flynn Effect.

IQ

In his new book “Does your family make you smarter” he proposes that intelligence, rather than plateauing at 18 years of age, can increase throughout adulthood, providing you have a stimulating lifestyle.

Households where people talk, challenge, joke  and share cultural pastimes can boost the IQ of family members by several points. And workplaces that impose intellectual challenges on staff can over time raise their individual intelligence.

The opposite is also true. People who share a home or workplace with dullards for any length of time risk seeing their IQ enter a sharp decline because of lack of stimulation.

Flynn also says

Intelligence has always been thought to be static … the new evidence shows that this is wrong. The brain seems to be rather like a muscle – the more you use it, the stronger it gets. That means you can upgrade your intelligence during your lifetime

He suggests the best way to improve your IQ is to marry someone smarter than you, find an intellectually stimulating job, and hang out with bright friends.

 

Up to now we’ve believed that intelligence is controlled by genes influenced by our nutrition and environment up to age 18 when it stabilises.

Flynn’s research took 65 years of IQ tests from the US and correlating the  results with the age of the people creating IQ age tables. From these he draws two conclusions. The cognitive quality of a family alters the IQ of all members but especially children i.e. it can lift them or hold them back.

For example a bright child of 10 with siblings of average intelligence will suffer on average a 5-10 point IQ disadvantage compared to a similar child with equally bright brothers and sisters.  A child with a lower IQ can gain 6-8 points by having brighter siblings and educational support…

He also believes, based on this research, that although genetics and early life experience determine about 80% of intelligence the rest is strongly linked to our lifestyle as adults.

As you leave childhood behind the legacy of your family diminishes but the game is not over. A large proportion of your cognitive quality is now in your own hands. You can change it yourself and your IQ can vary through life according to your own efforts… Going through life feeling your childhood is holding you back is misunderstanding how much power you have to improve yourself

says Flynn.

In 2011 researchers at the University of Pennsylvania said that they found that high IQ scores are a result of high intelligence plus motivation whereas low IQ scores could be because of the lack of either intelligence or motivation (published in the Proceedings of the National Academy of Sciences).

 

Research in Scotland found that people with mentally stimulating jobs suffered less cognitive decline as they got older.

And recently researchers at the University of Texas found that busy over-50s had higher cognitive scores than younger people.

Experts in emotional intelligence have long held that EI, unlike IQ, continues to develop into adulthood. Now it seems we have the capacity to develop both our cognitive and socio-emotional skills.

Source:

http://bizpsycho.com/2016/06/01/if-you-want-to-get-brighter-only-mix-with-the-brightest-or-suffer-the-consequences/

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