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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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Why don't intelligent animals like primates use plastic bags? [duplicate]

I'll be honest here. Although this is a serious question, what made me wonder about it is this comic from Wumo: This question is not specific to monkeys. It applies to animals that live with or ...
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Is intelligence correlated with neural calorie usage?

The human brain uses a lot of calories in comparison to other species, that is usually explained by referencing the intelligence disparity between Humans and other Animals. My question is how far does ...
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Mild introduction to selective advantage of intelligence/nervous systems in animals?

I have a general understanding of why intelligence, i.e. nervous systems in animals, is advantageous: processing information allows an animal to adapt to its environment dynamically and perform ...
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Intelligence as measured by DNA tests

Suppose a person has an IQ of 130, as measured by a standard IQ test, when he is 18 years old. He then goes on to develop severe mental illness, which reduces his IQ to 100. After this, he takes a DNA-...
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How do insects recognize their host plants?

Many insects, like butterflies have specific host plants on which they feed or lay eggs. While researching about some butterflies, I found that they lay their eggs on certain specific plants and their ...
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Its there a gene or genes for intelligence?

I don't know almost nothing of genetics but I felt a little interested in the subject of genetics and its role in intelligence and i found to reports that talk about certain genes that contribute to ...
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Do Octopi Vary in Intelligence and is it Correlated with Size?

The question is in the title. I am asking in the interest of research on intelligence. It would seem like it would be way more cost efficient to work with a small one - easier and cheaper to care for,...
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Hairlessness in humans [duplicate]

I was wondering if there is a scientific consensus about why humans have evolved to have relatively little hair in comparison to other apes. I may be conflating, but the only explanation I can come ...
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Genes and Intelligence

Assuming that intelligence has a genetic component, • do we know which genes contribute to it? and, if so, • can we predict intelligence from genomic analysis?
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Have there been any successful studies showing that it is possible to increase IQ?

I am curious if there have been any leading studies that show improvement in general IQ. For example, an adult with an IQ of 130 reaching an IQ of 140, over many different IQ tests and then averaged, ...
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What is the neurological requirement for an animal to pass the mirror test?

NOTE: This is related to this question. According to Wikipedia, there seem to be only a few species that manage to pass this test: Very few species have passed the MSR test. As of 2016, only great ...
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Book on current state of knowledge on the genetics of intelligence

I'm looking for a book that gives a good summation of the current state of knowledge on the genetics underlying intelligence. I have read textbooks on human population genetics but I'm looking for ...
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Cetacean intelligence and mercury levels.

https://phys.org/news/2017-10-whales-dolphins-rich-human-like-cultures.html and such studies/articles demonstrate a high level of Cetacean intelligence. I was wondering if there have been any studies ...
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At what point do scientists consider something sentient vs random and/or genetic? [closed]

When I was thinking about sentience from a scientific point of view, I was confused about the bio-electric mental difference between a paramecium, dog, human, and supercomputer. At what point does ...
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Are Richard Lynn's estimates of African IQ inherently innacurate on the basis that most Africans aren't mentally retarded?

I've been looking at Richard Lynn's studies on average African IQ, and he seems to estimate really low IQs in the 60s range (e.g. http://www.sciencedirect.com/science/article/pii/S0160289609001275?via%...
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Is it true that the human brain has not evolved in 100 000 years? [closed]

I read that the human brain has not evolved in 100 000 years and that's why there are no genes for intelligence.
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What are the consequences of inbreeding?

Inbreeding increases the risk of getting two identical recessive genes, alleles, that cause a disease which wouldn't have been activated with mixed genes. That's how I understand it anyway. But I ...
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Why are some animals so much more intelligent than others? [closed]

From what I found many biologists state that animals living in large social groups (elephants, primates, cetaceans etc.) have a tendency for improved cognitive abilities. Yet at the same time there ...
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Being able to write/type different texts using each hand respectively, at the same time?

Has there been any documentation of being able to either write down (jot down) or type in (key in) different texts using the left hand and the right hand respectively, simultaneously? So, I'm ...
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What is the evolutionary advantage to a lifespan limit? [duplicate]

How/Why Do Koi have a lifespan of hundreds of years? Do humans have a lifespan of decades? Do dogs have such a short lifespan? Within these questions I pose further questions. How does size relate ...
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Is hunting animals, crafting and attacking/defending from enemies intellectually equivalent to learning quantum physics? [closed]

Our brains were shaped after natural selection. Which means that, as long as we were being affected by it, our brains were changing, evolving. Once we stepped out of nature and stopped being targets ...
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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 ...
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Decoding animal language (dolphins etc)

I have this idea about how we perhaps could decode animal vocabularies that I would like to have some input on. The idea is to design an experiment/challenge where we could predict roughly what has ...
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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 ...
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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 ...
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Is there a correlation between Animal Intelligence x Playing time?

I'm writing a small text for a blog about playing time and I wish to have more resources about the correlation between Intelligence and Playing time in animals. If not exactly that, maybe some ...
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Is there any evidence that any other species are “pre-intelligence”? [closed]

Is there any evidence regarding whether other species might, given time, evolve intelligence as humans have? I realize "intelligence" is a vague word here, but I'm interested in throwing a wide net, ...
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Is NZT-48 real?

NZT is a fictional compound in a movie called limitless, basically it's a brain booster, it gives access to more simultaneous neuron activity. are there any real cognitive enhancers out there?
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Why are sight and sound prerequisites for intelligence?

Edward O. Wilson, in The Diversity of Life wrote (emphasis mine): Ninety-nine percent of the animals find their way by chemical trails. […] Animals are masters of this chemical channel, where ...
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Is hunger pushing cognitive ability in humans? [closed]

We have a lot of those questions here that base on personal anecdotes and I try to avoid asking any of those. Still, after skipping breakfast and an extremely effective work day so far I started ...
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360 views

Current Trend in Evolution of Human Intelligence

Up front, I am specifically not interested in philosophical or ethical considerations re Eugenics and related concepts. In an effort to receive a concise answer I'll post a narrowly defined question ...
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406 views

How could be the “Eurasian magpie” bird won the “Mirror Test” where Gorillas failed

EURASIAN MAGPIE VS GORILLA VS How could be the "Eurasian magpie" bird won the "Mirror Test" where Gorillas failed ? In 1982, mirror tests on two, zoo-reared gorillas failed to demonstrate ...
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Is there biological evidence for self-awareness in animals?

I am conducting an investigation into the topic of the intelligence of animals, in particular farm animals. I would be interested to hear a scientific and biologic perspective as to what is perceived ...
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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 ...
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Do species which have a closer common ancestor to humans tend to be more intelligent? [closed]

Q: Do species which have a closer common ancestor to humans tend to be more intelligent? Our closest living relative, the chimpanzee, seems to be regarded as intelligent: Chimpanzees make tools ...
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Propagation of tool use in primates?

There are several famous cases of great apes demonstrating a surprising degree of wherewithal in communication and tool use - even monkeys can learn some tool use from each other observationally, even ...
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Evolution (Reductionism)

My recent post was tagged as unclear so I wanted to re frame my question. Though I am a layman, I would love to read books and find the stuff, if I get an overall picture of intelligence factor. My ...
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What is the creature with the lowest neuron count that demonstrates cognition beyond reflexes?

I'm under the impression that nematode worms just perform the same scripted actions over and over again in response to specific stimuli. They have 302 neurons. Chimpanzees display problem solving ...
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Why are dolphins so smart?

It seems that dolphins have (among?) the highest encephalization quotients found outside of humans, higher even than chimpanzees. By the "use it or lose it" principle this indicates that intelligence ...
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Was the evolution of humans inevitable? [closed]

Suppose we wind time back to the instance when life emerged on Earth and let evolution start over again, will human beings or any other kind of self-conscious animals evolve ultimately, inevitably? ...
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Do swarms show intelligence?

Can you think of collective and swarm behaviors as "intelligence"? Would such a concept apply to a) ant colonies and b) fish swarms?
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How much influence does toxoplasmosis have on personality and intelligence?

Latent toxoplasmosis affects up to 1/3 of the human population and up to 40% of the population in Australia. I have heard that latent toxoplasmosis has many significant undesirable effects on ...
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Is there a molecular basis to intelligence?

Is there any explanation, gene(s) or whatever detected, that are co-related or explicitly related via mechanical bio-molecular (or at any other level) models that explain the higher or lower ...
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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 ...
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Origin of human intelligence and thought

I've been debating this topic with a friend of mine and we can't get to a common answer. She argues that we don't descend from any Chimpanzee or Orangutan because, if we did, they would also have the ...
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Is recognizing one's own mirror reflection a valid test of animal intelligence/self awareness?

I've been looking at this Ted talk on interspecies internet, and it appears that they have selected a small number of species of animals (dolphin, elephant, and some ape(?)) and are intent on ...
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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 ...