(112) Bruno Campello de Souza's answer to Are intelligent people more likely to be alone? - Quora

Given evidence from some data of mine, I’d say “yes”.

In a study with 1,383 adults from Pernambuco, Brazil, IQ was negatively associated to both Extraversion and Agreeableness.

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However, the self-evaluation of social skills as a function of IQ for a similar group of 1,777 individuals showed the following pattern:

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So, it would appear that, indeed, high Intelligence is associated to being alone more as preference than due to a perceived lack of social skills.

One can speculate that the following mechanisms and processes might be at play:

  • With a higher IQ, there is a tendency for a higher level of working memory and also long-term recall, as well as speed of processing, which grants the ability to generate more and better mental imagery, thereby creating an incentive for “daydreaming” or “zoning out” (think of having your own personal “mental holodeck”);
  • IQ is, by definition, the capacity to deal with abstract thinking, making the intellectually gifted more prone to detach from concrete experiences;
  • The things that many of the Gifted are most interested in are not the things that attract the vast majority of people, the same happening with their life and work experiences, so that the highly intelligent may not find much in common with the majority of people and vice-versa;
  • Being a minority by definition, a relevant portion of the Gifted might be the object of prejudice, making them more prone to withdrawing from social interactions and/or being less inclined to be less empathetic or altruistic;
  • The differences in the size and breadth of vocabulary between the Gifted and most people might make communication more difficult or cumbersome;
  • The Gifted can, at times, become frustrated, impatient or irritated with the slower and/or more limited intelligence of normal individuals, something which can come from elitism, self-importance, sense of superiority and even Narcissism, but can also arise from honest exhaustion from continuously having to wait for, explain to, correct, and accept errors from most of the people one interacts with.

A combination of the above things is possible, as well as other elements I have not considered. Remember that we do not even know how much the findings from Pernambuco, Brazil, can be extrapolated or not to other parts of the World.

Like a lot of things in Human and Social Sciences: its complicated.

Given evidence from some data of mine, I’d say “yes”.

In a study with 1,383 adults from Pernambuco, Brazil, IQ was negatively associated to both Extraversion and Agreeableness.

However, the self-evaluation of social skills as a function of IQ for a similar group of 1,777 individuals showed the following pattern:

So, it would appear that, indeed, high Intelligence is associated to being alone more as preference than due to a perceived lack of social skills.

One can speculate that the following mechanisms and processes might be at play:

  • With a higher IQ, there is a tendency for a higher level of working memory and also long-term recall, as well as speed of processing, which grants the ability to generate more and better mental imagery, thereby creating an incentive for “daydreaming” or “zoning out” (think of having your own personal “mental holodeck”);
  • IQ is, by definition, the capacity to deal with abstract thinking, making the intellectually gifted more prone to detach from concrete experiences;
  • The things that many of the Gifted are most interested in are not the things that attract the vast majority of people, the same happening with their life and work experiences, so that the highly intelligent may not find much in common with the majority of people and vice-versa;
  • Being a minority by definition, a relevant portion of the Gifted might be the object of prejudice, making them more prone to withdrawing from social interactions and/or being less inclined to be less empathetic or altruistic;
  • The differences in the size and breadth of vocabulary between the Gifted and most people might make communication more difficult or cumbersome;
  • The Gifted can, at times, become frustrated, impatient or irritated with the slower and/or more limited intelligence of normal individuals, something which can come from elitism, self-importance, sense of superiority and even Narcissism, but can also arise from honest exhaustion from continuously having to wait for, explain to, correct, and accept errors from most of the people one interacts with.

A combination of the above things is possible, as well as other elements I have not considered. Remember that we do not even know how much the findings from Pernambuco, Brazil, can be extrapolated or not to other parts of the World.

Like a lot of things in Human and Social Sciences: its complicated.