# All Questions

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### Terminology for introvert's frustration after excessive social exposure

Does anyone know if there is a phrase or term that describes the frustration an introvert experiences when they have had too much social exposure and need to be alone? As an analogy, I recently heard ...
59 views

### Is there any evolutionary theory for self-destructive behavior?

Self-destructive behavior is usually related to the stress response. Given that the world is a big source of stress and stress usually is also a source of evolution (since we must adapt to survive), ...
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### How can I dream things that are impossible?

I remember having dreams whose contents were physically impossible, to the point that when I thought about them afterwards, I couldn't reconcile them with reality in a meaningful way, although when I ...
83 views

### What is the psychology behind the need to be the centre of attention?

In conversations, there are often times when a member of the group will consistently divert the conversation back to their own topic (often to do with them). A 'pseudo-conversation' example: ...
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### universal mind?

I have been reading a book entitled "The Geography of Thought" by Richard Nisbett. He talks about how easterners and westerners think differently. I am not all the way through it, but I agree with a ...
80 views

### Difference between meditating and watching a movie [on hold]

If I meditate, I concentrate on my breathing; if my mind wanders, I bring its attention back to my breathing. If I watch a movie/show, I concentrate on it; if my mind wanders, I bring its attention ...
83 views

### Why does a neuron choose to connect to another?

I have been reading about neuron creation, guidance cues and all sorts of highly complex mechanisms used to allow one neuron axon to extend or connect - but to what end? Why does one neuron end up ...
70 views

### Are there any pragmatic uses of hallucinogens?

Hallucinogens (psilocybin, LSD and others) are often regarded as risky substances, therefore they are banned in most places. Are there ways of using these substances that can be beneficial? Or in ...
14 views

### About the possibility of 'Robot Psychology'

If a Robot system with an advanced A.I. operating system had the 'ability' to 'do' 'undirected' or 'semi-undirected' introspection and 'form' all sorts of 'thought' structures about any subject matter ...
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### Why does optogenetics not mean that perfect brain-computer interfaces are possible?

There have been multiple articles and videos circulating on the Internet claiming that optogenetics has made it possible to have perfect input/output to the brain from a computer. This is obviously ...
36 views

### The psychology of nymphomania

So this is a question that requires maturity and discretion. I present it as an authentic point of research for a class I am taking. I understand the basic principles of mania, psychomania, and ...
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### Is learning and memory formation mostly comprised of new synapses forming, or already-existent synapses strengthening?

I'm guessing it may be some combination of the two. If so, which is the more frequent situation? I'm also guessing it varies depending on the type of memory being formed. Let's take for instance, my ...
98 views

### Are topics experienced later in the day more likely to be present in dreams?

Is there any evidence suggesting that thoughts or experiences from late in the day are more likely to be dreamed about the following night compared with similar experiences earlier in the day?
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### Why do scientists say brains are faster than computers?

Supposing that neurons function similarly to transistors: A neuron able to fire $200$ times per second and transistors can be switched on and off more than $100,000,000,000$ times per second. Let's ...
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### Memory - Remembering a Source

So I study information systems technology, networking, programming, system security as my main focuses on school with a lot of reading material and a ton of independent research. My major problem is ...
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### Are there any legitimate, and reasonable circumstances, where self-delusion is acceptable and/or required?

Can anyone point out a situation, based in real world events, or an entirely hypothetical situation, where it would be ok/right for someone to delude themselves into believing something false? For ...
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### The theory-theory of concepts: How does it explain we form concepts?

I understand that after the 1970's Eleanor Rosch's 'Prototype Theory' was overturned by the exponents of 'the theory-theory'. I don't seem to understand how this theory explains our formation of ...
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### How to interpret a BBC news article on the effect of race on intelligence?

In spring 1998, Robert Plomin claimed to have discovered a gene linked with intelligence. More recently, the Human Genome Project was cautious when approaching areas implying racial differences ...
133 views

### Where to recruit paid participants for online Inquisit experiments?

My team and I are trying to use Inquisit for a reaction-time based experiment looking at attentional bias. However, with the no download policy on Mturk and CrowdFlower, we don't know a good site to ...
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### Two types of routines

Can anyone one provide counterexamples to the following: The assumption that all human behavioural level activity (i.e. no sub-personal or subconscious processes) can be bifurcated into two kinds of ...
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### Terminologies related to Brain powers

I am so eager to learn Cognitive sciences and Human brain.Human brains have many extra ordinary powers and i think most of the powers categorized. For example some people somewhat predict the ...
28 views

### Water Jug Problem in AI [on hold]

You are given two jugs whose capacity are 5 litre and 3 litre. No jugs have any measuring marks on it. You have one source of water. How can you measure 4 litre of water in 5 litre jug ?
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### Study of recollection of drawings based on labels

I remember stumbling across a very interesting study/experiment a few months ago. Now I want to try to find it again. Unfortunately I cannot for the life of me recall the name of the experiment nor ...
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### Evolutionary motivation for the existence of pleasure

Firstly, I'd like to understand, what exactly is pleasure? If we presume we are streams of thoughts, thoughts being neurons activated in some pattern, and that basically anything what the conscience ...
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### Steepest Ascent Hill Climbing a Heuristic Searching? [on hold]

Why Steepest Ascent Hill Climbing method is called a heuristic search technique?
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### Is Depth Limited Search better than Depth First Search [on hold]

How Depth Limited Search overcomes the limitation of Depth First Search? Please explain.
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### Disadvantages of Depth first search [on hold]

What are the disadvantages of Depth first search. Please explain the points.
43 views

### Is there a name for highly aggressive non-violent people?

I know an individual who has incredibly aggressive mannerisms including snatching things, raising voice and speaking with a very aggressive tone of voice. However, since this person is completely ...
106 views

### How similar are human brains within the same haplogroup?

I've read about neuroscience and listen to talks like this one Juan Enriquez: Will our kids be a different species, I'm starting to realize that humans are not all the same, and are instead quite ...
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### Is there a name for having an obsessive interest in new topics for short periods of time?

I have the tendency to get obsessively interested in a subject for 2 weeks, get bored, and then move on to something else. For instance I have just started learning about chess and find myself ...
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### depression caused by insignificance [on hold]

I hope this question isn't too inappropriate for this website. I have very few knowledge about psychology before anyone asks. I've been having this feeling pretty often for the past few days. ...
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### Why is it easier to search memory for words starting with a particular letter than for words with that letter in a later position?

Tversky & Kahneman (1974) asserts that it is so, and some scrabble-playing experience convinces me that it's true. However, I've never seen an explanation of why it is true. I assume it has ...
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### Which can't be inferred to be a view held by Freud?

It is only relatively recently that dreams have moved from the realms of the mystical and literary into the world of science, and a glance at the numerous dream exchange sites on the Internet ...
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### Any research on right-hand/left-hand based preferences when interacting with an interface?

My original question is "Left or right placement of interactive elements on a web page", but only now did I find a place where I think I can find the right people to understand it. The gist is: is ...
66 views

### What is the effect of irrelevant reading after study on memory consolidation?

I heard and experienced a little that unconscious mental processes involved in storing memories work really well when you are not thinking about your study subject during rest. However, I'm not sure ...
83 views

### Perception of abrupt noise

First question - sorry Cognitive Science is a closed book to me so I hope someone can give me an insight into this phenomenon. We have a child's toy that is activated by clapping of the hands. To me, ...
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### Reconciling one-dimensional valence with distinct mechanisms for reward/punishment

It is a widespread notion in psychology that there are two dimensions to emotion: valence (aversiveness or attractiveness of some entity) and intensity. However, recent experimental studies in ...
7k views

### Why do people laugh in serious situations?

I've seen people (including myself) that laugh for no apparent reason in really serious situations, such as in an argument or when receiving bad news. Although the other party is clearly very upset, ...
78 views

### Can our auditory perception be used to trick our visual perception?

"Our consciousness lags 80 milliseconds behind actual events...The 80-millisecond rule plays all sorts of perceptual tricks on us. As long as a hand-clapper is less than 30 meters away, you hear and ...
169 views

### What cognitive processes occur during a mental exhaustion or 'burnout'?

Mental burnout - or mental exhaustion is not very pleasant, when one feels completely overwhelmed, something 'snaps' and it is hard to concentrate and maintain motivation. What are the cognitive ...
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### Difference between forms of Culture Fair Intelligence Test (CFIT) scale 3

I would really like to know what are the differences between the form A and form B of Cattell's Culture Fair Intelligence Test scale 3? To my knowledge (reading the "methods" section in the ...
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### Why is MATLAB so common in Neuroscience?

It is common knowledge that neuroscience -- particularly experimental neuroscience -- uses MATLAB more than any other programming language. I have always just taken this as a given, and pointed to ...
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### Have ideas of “gamification” been applied to education?

Wikipedia defines Gamification as "the use of game design techniques and mechanics to solve problems and engage audiences." Khan Academy has received attention (e.g., see this post) for incorporating ...
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### How are statistics on scientific papers interpreted? [migrated]

Let's take this research published on Plos ONE Increasing carbohydrate intake was associated with increasing stroke risk (HR = 2.01, 95%CI = 1.04–3.86 highest vs. lowest quintile; p for trend ...
176 views

### Is it possible to permanently improve long-term memory?

Many similar questions here ask either about working or short-term memory, or about various tricks and techniques to efficiently remember information. My question is, is it possible to improve the ...
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### Are there NP-Hard or NP-Complete problems that humans a really good at solving?

It has been noted that humans are good at solving the travelling salesmen problem under certain constraints. Are there other NP-hard or NP-complete problems that human beings are good at solving? Has ...
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### Annoyance in animals

When my dog (an English Cocker Spaniel, for what its worth) is behind some glass (e.g. a glass door or a car window) and someone taps on the glass, even just a little bit, she gets into a fit of rage. ...
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### Is psychotherapy effective also with old persons?

Many researches proves the effectiveness of the psychotherapeutic approach. But an old person could be more rigid and less motivated to change. And I'm not aware of data on the effectiveness of ...