For questions about levels of abstract thought, understanding, self-awareness, communication, reasoning, learning, having emotional knowledge, retaining, planning, and problem solving, their roles in education, testing such levels, and deficiencies in these levels.

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4
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1answer
103 views

Is “doing everything in your head” a good proxy for intelligence?

Suppose Bob never takes notes in class and just mentally "gets" a subject. Is this ability of mentally learning a subject without actively recording the information a good proxy for intelligence?
4
votes
1answer
1k views

Does intermittent fasting increase intelligence?

A little Background: The protocol I am taking about is 16-20 hours of fasting and a 4-8 hour eating window (e.g. fasting between 6 PM and 10 AM). I have been doing IF (intermittent fasting) for 7 ...
3
votes
3answers
226 views

How did the unique features of human intelligence evolve?

I have been debating the following topic with a friend. She argues that humans do not descend from chimpanzees or orang-utans, because if we did, such animals would share the same cognitive thinking ...
6
votes
2answers
550 views

How is age related change in IQ measured if tests use age specific norms?

In a comment to this question about age related IQ decline in professors and scientists, the following comment was left: I noticed that lot of IQ tests (RPM or California) have different norms ...
7
votes
1answer
128 views

What are the effects of negative self image on cognition and brain function?

All other things considered equal, what are the effects of a negative self image, on cognition and brain function? Are there any studies that would have specific data supporting cognitive outcomes ...
10
votes
1answer
331 views

What is the effect of studying logic or mathematics on general thinking skills?

I frequently hear comments from people to the effect that "Studies have shown that students who take (intro) logic courses don't show any signs of improvement in logical/rational/critical thinking." ...
3
votes
2answers
132 views

Can general intelligence be understood as pattern analysis?

I have been thinking for a while about general intelligence (i.e.,not specific abilities used for particular tasks such as chess). I think that the essence of general intelligence is pattern analysis. ...
11
votes
5answers
4k views

Is there an accurate online IQ test for measuring 160+ IQs?

Is there some (preferably free) online and accurate IQ test? One which does not give me an genius IQ and then tries to sell me a diploma. I need one which measures upto 160 sd15 (or higher). Such a ...
6
votes
1answer
10k views

How are Raven's Matrices scores converted into age adjusted IQ?

There are IQ tests based only on Raven's matrices. I wonder how a raw score on such a test "scaled" to an IQ result. As we all know, IQ results depend on the age of individual tested. So I was ...
2
votes
1answer
89 views

How are activities involving toy blocks linked the development of intelligence in children?

I'm looking for a peer reviewed article that links the development of intelligence to any form of block building activities. For example a child playing with wooden blocks can improve their ...
21
votes
3answers
3k views

How is intelligence correlated to beauty?

Recently, I read several interesting questions on the web about the relationship between IQ and general intelligence and physiological symmetry. But more importantly, what explains the correlation? Or ...
6
votes
1answer
10k views

Does masturbation in men negatively affect cognitive processes?

Gary Wilson has mentioned that porn and masturbation is an addiction that negatively affect mental performance. Moreover, there is some "pseudo-science" claiming that abstaining from masturbation ...
6
votes
3answers
247 views

What causes an individual to not be able to hold all the details of a large project in memory?

Background: First of all, I'm not in any kind related to cognitive science, I'm a programmer. I'm not even sure that it's the right place for asking my question, but I'll try anyway. So, first of all, ...
6
votes
1answer
935 views

How can psychometry measure the very high IQ's in adults?

From Wikipedia's page on Mental age, we learn that: Originally, the differences between mental age and chronological age were used to compute the intelligence quotient, or IQ. This was computed ...
17
votes
3answers
4k views

Intelligence and marriage satisfaction

A recent letter by a Princeton alumni stated: Men regularly marry women who are younger, less intelligent, less educated. It’s amazing how forgiving men can be about a woman’s lack of ...
7
votes
5answers
434 views

Does an exceptional working memory inhibit intelligence?

According to the Fox News article "Chimps Smarter Than Humans in Memory Test" chimps were able to significantly outperform humans in a simple working memory task. I quote one part of the article in ...
3
votes
1answer
371 views

Dyslexia and IQ

Background Information of my questions: At the age of eight I was "diagnosed" with Dyslexia, I am now 47. I went from not being able to read and barely able to write to a college reading level in 9 ...
7
votes
1answer
1k views

Effect of Physical Exercise on Intelligence/IQ

I am interested in empirical research relevant to answering the following questions: What is the effect of physical exercise on IQ/intelligence? Does any such effect vary by type of exercise? e.g. ...
3
votes
3answers
839 views

Improving Speed of Thinking

What are some ways one can improve his/her speed of thinking and reasoning ? I am looking for some easy to follow strategies that can be systematically applied. (I am presuming it can be learnt/ ...
6
votes
2answers
1k views

What is the scientific support for Einstein's claim about the negative effects of reading too much?

Einstein once said: Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of ...
4
votes
0answers
108 views

Are there any cutting edge techniques that enable to acquire foreign language at relatively fast pace?

I am aware of immersion method as well as mnemonics such as the one Daniel Tammet's Born on a Blue Day. I read that Kim Peek's lack of corpus callosum enabled his brain to absorb information faster ...
3
votes
0answers
844 views

What reasoning processes underlie the Logima Strictica 36 and Logicaus Strictimanus 24?

I am conducting research in creating an AI with high IQ. I am interested in the tests Logima Strictica 36 Test and Logicaus Strictimanus 24. Further links are here What is the logic of these test ...
8
votes
1answer
252 views

How does the mind build a model of reality?

I'm interested if there has been any research or experiments that deal with how the human mind creates and perpetuates the idea of knowing something. I'm struggling to concisely express the question, ...
0
votes
1answer
132 views

Comprehensive encyclopedia of nootropics for medical researchers and practitioners

Is there a clinically-researched and tested encyclopedia (or similar resource) covering all available nootropics currently known? The Wikipedia article was a helpful first stop; but I'm searching for ...
28
votes
1answer
179k views

How valid is Lumosity's Brain Performance Index and what normative information is available?

Background There is a test called Lumosity's Brain Performance Index. A sample profile of scores might be: ...
3
votes
1answer
3k views

Is there a correlation between EQ (EI) and IQ?

Is there a correlation, positive or negative, between emotional intelligence and IQ?
7
votes
0answers
510 views

Cultural brain hypothesis and gene-culture co-evolution

Recently, Joseph Henrich of UBC has been promoting his cultural brain hypothesis. The goal is to explain a selection pressure behind the development of the human brain and general intelligence. The ...
9
votes
1answer
220 views

What is the distribution of performance in academic programming subjects?

On Programmers SE there is a popular question about scientific evidence for whether some people either are or are not able to program. One person cites an unpublished manuscript by Dehnadi and ...
6
votes
1answer
445 views

Does breastfeeding lead to increased intelligence?

Several studies suggest that breast-fed babies become more intelligent children than formula-fed babies (e.g., Lucas et al 1992). Questions To what extent overall does research support the ...
8
votes
0answers
435 views

How much sleep is required to restore maximum cognitive functioning? [closed]

Background: Recently I have really messed up my sleep schedule due to my procrastination. The internet points to some very basic conclusions but I would like to see actual experiments on effects of ...
9
votes
1answer
201 views

Are intelligence scores correlated with detection of second stimulus in an Attentional Blink test?

Definitions Attentional Blink: An attentional blink is a phenomenon where when presented with rapid visual stimuli if you are asked to track two particular stimuli you will fail to notice the second ...
4
votes
1answer
704 views

What is the correlation between Grade Point Average (GPA) and intelligence?

What is an authoritative empirical estimate of the correlation between pscyhometric measures of intelligence and Grade Point Average (GPA)? What are the main factors that influence the size of the ...
13
votes
2answers
484 views

Does intelligence cause greater alcohol consumption?

I just stumbled on a blog post that asserts that more intelligent people drink more than less intelligent people. The author writes: Controlling for a large number of demographic variables, such ...
8
votes
1answer
239 views

Do ability tests predict maximal more than typical job performance?

I have often read that ability tests are indicative of what people "can do", but that job performance also depends on what people "will do". For example, Ackerman and Beier (2012) wrote that: ...
2
votes
0answers
442 views

Does the ability to manipulate your environment affect the type of intelligence? [on hold]

There are several animals on earth that show certain kinds of intelligence. Some animals have extensions to manipulate their environment and some do not. Think of humans and squids (hand/extension ...
7
votes
3answers
759 views

How to estimate IQ for public figures?

Background: I read a question on Quora that asked how intelligent is Barack Obama. A wide range of arguments were presented. The tone of the answers was not neutral because of the political context of ...
8
votes
3answers
1k views

Why have historically most inventors been men?

I noticed something strange when I looked at about.com's list of famous historical inventors. You can see that most of the inventors are men, and only a few are women. Can this be explained by ...
6
votes
1answer
1k views

What is the difference between IQ and Executive Function?

I was reading an article today that stated that people with high IQ's that have trouble with social skills, memory, being punctual (on time), emotional control, and "growing up" are likely to have ...
14
votes
2answers
1k views

Does super-intelligence necessary lead to consciousness, self awareness, freewill or emotion

After seeing this talk, the question popped in my mind. The idea is that as soon as a system is complex enough or intelligent enough, it able to act on its own. It seems to be a common belief. For ...
2
votes
0answers
169 views

What is the relationship between computer game performance and measures of ability? [duplicate]

Possible Duplicate: Any work being done on Perception, Action, and/or Cognition in Video games? What is the relationship between computer game performance and measures of ability?
6
votes
1answer
281 views

Why do dual N-back games use certain letters?

Every implementation of dual n-back that I've ever seen uses the set of letters 'C', 'H', 'K', 'L', 'Q', 'S', 'R' and 'T'. Why is that?
5
votes
2answers
778 views

Is variation in human brain size related to mental functioning?

It seems that the head size of human beings has evolved to be relatively similar, yet there is still some amount of variation. While I'm sure the correlation is not absolute, I read that larger heads ...
19
votes
2answers
807 views

Does language and/or culture affect an individual's cognitive capacity?

Some languages have multiple expressions to identify, address, comprehend, and interpret a single concept and/or experience. Are limits placed on understanding and describing aspects of cognition due ...
3
votes
1answer
1k views

How does raw IQ change over the lifespan at the group-level?

In the classic review of intelligence research (Intelligence: Knowns and Unknowns), Neisser et al (1996) write the following Stability. Intelligence test scores are fairly stable during ...
2
votes
1answer
275 views

Are there axioms in the mind? [closed]

While studying artificial neural networks, I stumbled upon the following question: Are there any hard-wired axioms in the brain that must exist equally in every conscious mind? I could imagine that, ...
17
votes
2answers
6k views

Free online intelligence test with norm table, high reliability, and must be printable?

I am looking for a general intelligence test which meets the following requirements: available online for free there is a table which translates "points" to IQ (I don't want a hidden online ...
12
votes
1answer
675 views

What are the benefits of dyslexia?

Reading the Wikipedia article on Dyslexia, it sounds very negative. The article defines Dyslexia as a learning disability, which I understand it is classified as. However, knowing individuals with ...
20
votes
2answers
2k views

Is there a term for individuals who can “visualize” numbers and advanced mathematics?

I recently saw an episode of 60 Minutes about Jacob Barnett, a 13 year old boy who is currently attending advanced physics classes at a local university and was portrayed by the show as being a child ...
2
votes
1answer
1k views

Is there a correlation between high IQ and creativity?

Is there a correlation between high IQ for example over 125 and creativity? Is creativity improved or does its importance simply diminish? Maybe there could also be confounding variables as well? It ...
11
votes
2answers
2k views

What transient factors affect performance on IQ tests?

While performance on intelligence tests aim to measure an underlying relatively stable trait, there are presumably a range of transient factors that could temporarily lower or possibly even raise ...