Questions tagged [intelligence]

While no precise and agreed upon definition exists, intelligence, in essence, refers to the ability to critically acquire, interpret and apply information.

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14
votes
4answers
9k views

Is there a correlation between total neurons and intelligence?

Thanks for looking. First off, I am not a biologist, just a curious layman, so I apologize in advance if this isn't a "good" question. Please don't downvote me into oblivion. I read today that the ...
3
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1answer
911 views

How do heredity and regression to the mean work with respect to intelligence?

I am trying to understand the heredity of intelligence between generations in general, and how regression to the mean works in detail in particular. The answer I'm looking for should preferably answer ...
6
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1answer
204 views

Do the mother's genes determine the sons' (heredity) intelligence more than the father's?

It is a general belief that a person's intelligence is determined by both nature and nurture. I can find a study by Turner 1996 ( in fact, this is the motivation of this question), which makes the ...
5
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2answers
1k views

Is life expectancy linked to intelligence in animals?

For example, animals that live only a few days or a few years are often not very intelligent. In contrast, the most intelligent animals seem to live longer. Is this true? Are there any studies to ...
5
votes
3answers
333 views

Have creatures ever evolved to become less intelligent?

Inspired by https://worldbuilding.stackexchange.com/questions/58533/is-intelligence-the-natural-product-of-evolution , I'm wondering if creatures have ever become less intelligent as a result of ...
4
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2answers
362 views

How was the heritability of IQ tested?

I have read that IQ is highly heritable. How could this be tested? For honest testing, it seems to me that only children who were abandoned should have been tested, to exclude education effect. Was ...