Questions tagged [cognition]

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8
votes
3answers
615 views

Does learning (to play) music increase IQ?

In one fairly cited study by E. Glenn Schellenberg (~800 citations in Google Scholar) we find that Compared with children in the control groups, children in the music groups exhibited greater ...
6
votes
1answer
665 views

Is it possible that people perceive time differently than others do?

All of my life I have been told to be more patient, to stop "racing through life", etc. Happily, I am finally mature enough to accept that as solid advice, but I am curious as to whether it is ...
5
votes
2answers
63 views

Effect of compactness of notation on cognition?

I vaguely remember reading somewhere that one of the reasons that the Romans failed to make any mathematical achievements is that their number system is illogical and does not lend itself to trivial ...
5
votes
1answer
327 views

What does it mean statistically for there to be significant differences in average IQ scores between racial groups?

Charles Murray (in his book, "The Bell Curve") reported that there are real differences between the mean IQ scores of different racial groups. He also points out that IQ variation within said groups ...
4
votes
1answer
318 views

Does taking antidepressants, anxiolytics and sleep pills significantly affect a person's intelligence?

Do antidepressants, anxiolytics and sleeping pills significantly affect the intelligence of a person, for example as expressed by the general (g) factor? Do these compounds affect the g factor each ...
4
votes
3answers
127 views

How does the brain process generalizations?

What is the current thinking on how the brain processes generalizations? For example, the abstract idea of a right angled triangle vs specific instances of right angled triangles? Or the general idea ...
3
votes
2answers
137 views

Efficiency of multitasking depending on task difficulty

How does the efficiency of multi-tasking differ by task type? My understanding is that multitasking impairs efficiency for cognitively challenging tasks. Does this apply to trivial tasks as well?
3
votes
1answer
143 views

Environmental cleanliness: what is cognitively fresh?

The concept of freshness has developed over the last century to involve a range of sensations and responses to tastes, smells and feelings associated with foods, the environment and cleaning products. ...
2
votes
2answers
1k views

Short term effects of alcohol on IQ

I am looking for some references on the short term effects of alcohol on "IQ". I am particularly interested in what aspects of "intelligence" is affected (e.g., cognition/reasoning/memory). ...
2
votes
3answers
385 views

What is the difference between emotions, intuition and affect?

From what I know, intuition is affect-based. But how do they differ?
2
votes
0answers
101 views

Can you improve your intelligence by practising? [duplicate]

According to this article https://www.nature.com/articles/ng.3869 your intelligence as an adult is to 80 % determined by genetics: Despite the well-known difference in twin-based heritability for ...
2
votes
0answers
34 views

saccadic countermanding task

The saccadic countermanding task is used to measure response inhibition (https://www.sciencedirect.com/science/article/pii/S0042698999000115). It is basically the stop-signal task that makes use of ...
2
votes
0answers
180 views

In I.Q. and Cognitive Tests, What Sequence Patterns Should be Applied?

Nearly every I.Q. and Cognitive test seems to ask questions for the "next item in the sequence". But, there just seems to be so many possibilities, and I can usually find a way that all of the ...
1
vote
2answers
51 views

“Dyslexia” in reasoning?

I was trying to use logical argument with a friend of mine recently, and found that she was missing my point and completely misunderstanding my position. So I wonder if there is something like ...
1
vote
0answers
32 views

Which is more true about learning? [closed]

I think / guess using multiple sources for education / learning is much better than using one source; I mean by source, visual, auditory, etc... So at best I could learn from a person face-to-face, ...
-2
votes
1answer
429 views

Megalomania versus schizophrenia [closed]

Why is megalomania a part of schizophrenia, the latter having to do with personality splits, as opposed to being a disorder of its own. According to Polya's book, thinking big is one of the thinking ...