IQ heritability

I have previously written about IQ heritability. It is the age old question of nature versus nurture. There are a reasonably large number of studies which examines IQ heritability. While the existing body of literature refutes anti-genetics ideology, it also lends support to environmental effects as well. So the extant body of literature of IQ …
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Higher IQ in apes

A new study by researchers at Durham University in the UK looks at the evolution of the brain of primates relative to other monkeys. The lead researcher suggests that the prior thinking about the evolution of apes’ brains may have been wrong. That is, scientists were focusing too much on the neocortex, which is the …
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Famous high IQ people which you might not expect

IQ stands for ‘Intelligence Quotient’ and is a score which attempts to characterize people’s intellectual ability. IQ scores reflect the measurement of intelligence via the administration of a standardized IQ test deriving from great IQ researchers such as Cattell, Weschler or Otis. The science behind IQ testing is sound.  IQ testing has been around for …
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Does IQ matter? (part II)

In our last posting, I looked at the question: Does IQ matter? And in particular, I took a fairly basic angle of examining whether having a very low IQ would in fact become a limiting factor in education, employment and economic freedom. What is self evident is that people with very low IQs may struggle with standard …
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Does IQ matter?

Does IQ matter? So many would like to either dismiss or downplay the importance of IQ. Why should anyone place any level of importance of what is appears to be a score on a brain-twister type quiz? The realities about IQ are highly uncomfortable for many: for instance, IQ has been found to be normally …
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High IQ psychopaths

A recent study by an undergraduate student at the University of Huddersfield has posited that up to 3% of people in senior management positions may be High IQ psychopaths. The study suggested that people who display Factor One psychopathic tendencies  and higher IQs were much more likely to be able to fake their emotional responses in tests …
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Free IQ tests

There are a multiple of Free IQ tests online. But what do you gain by taking them? Are these IQ tests accurate enough to tell the test taker anything about his or her IQ? We examine some of the pitfalls with free IQ testing. First of all, nothing in life is really free. IQ test …
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IQ decreases

The Flynn Effect was the name given to the fact that several countries had reported findings which suggested that average IQ levels were increasing at a rate of 3 IQ points per decade in the United States. This finding would in fact suggest that Americans were getting smarter at a rate of 8-9 IQ points …
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Fish consumption can boost gray matter

A recent study by the University of Pennsylvania found that regular fish consumption can boost gray matter, brain tissue that is made mostly of brain cells. In other words, fish consumption can boost gray matter and brain health generally. Greater density of gray matter in certain parts of the brain can lead to improved cognitive function generally, …
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Cannabis lowers IQ

Several studies have previously argued that cannabis lowers IQ levels. For instance, a large New Zealand study of 1,000 individuals measured the IQs of participants at the age of 13, and again at 38, while assessing pot smoking habits in the interim period. The study found that individuals who had reached the age of 18 …
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