# All Questions

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### Introductory material on psychophysics with a focus on visual stimuli

Is there any introductory-level material available on psychophysics that you can recommend to someone without a background in cognitive sciences? Visual stimuli is the main area of interest. Edit: ...
805 views

### Free software to run questionnaire based experiments

I am looking for free software to build experiments that do not heavily rely on accurate timing (where I use PsychoPy and heard a lot of good things about OpenSesame) but more on an easy way to ...
792 views

### Is the decline of fluid IQ with age less severe for professors and scientists than it is for other people?

This article in Time magazine suggests that engaging in challenging mental tasks may be associated with lower rates of mental decline in older adults. The article states that: In one study, ...
2k views

### Does IQ affect learning speed?

Supposedly, people of higher levels of intelligence do learn faster than people of lower levels of it. But this is an awfully coarse observation, and different people can learn at drastically ...
141 views

### Are there any cognitive models for visual navigation?

I've seen a few neuroscience accounts of visual navigation and many A.I. projects, but no psychologically plausible accounts that actually solve the computational problem (i.e. produce a working model)...
90 views

### Does limiting one's trivial decisions free more energy for bigger decisions?

I've read a number of times that "successful" people limit the number of trivial decisions they make on a day-to-day basis in order to have more energy for bigger decisions. A common example cited (e....
115 views

### Conscious basis for gender identification

What conscious experiences lead a transgender person to identify with the opposite sex? Physiology is clearly not determining. Sexual orientation is not determining (homosexuality). Clothing ...
154 views

### Is 'intuition' related to 'extrasensory perception'?

I come from a computer science background and am a big time AI enthusiast. I am trying to think about how can we map 'intuition' to a process in artificial intelligence. As I understand, 'intuition' ...
219 views

### Why is it so difficult to use a “true mirror” as a mirror

This Youtube video shows what a "true mirror" is: https://www.youtube.com/watch?v=ZSxCZCy5Wsk In short, when you look into a true mirror you look at yourself (among other things) as you really are, ...
189 views

### Is perfectionism related to OCD?

Is it right to say that a really strong attitude and stubbornness to do something is really similar to an obsession? I'll try to explain better what I mean. Let's take a really good developer or a ...
153 views

### Frequency at which electrodermal response should be measured

I'm computer science graduate working on a health monitoring device. How much is the delay in electrodermal response? i.e., the time it takes before which an electrodermal response can be realized. ...
873 views

### Would the Milgram Experiment results be replicated in Eastern cultures?

When the Milgram Experiment was performed in the 1960s and replicated multiple times up until the 1980s, it was performed in Western cultures. When it was replicated in 2006, it was again performed in ...
114 views

### Is there a function between loss of memory and time?

I have 2 related questions with regards to memory capabilities and time: "Is there a function (e.g. $e^{-\Delta Time}$) with regards to memory loss?" Everyone is bound to forget over time. Is there ...
108 views

### Can LSD connect sensory regions in the brain?

How is it possible that after using LSD you can hear sounds and see colours? I have my own experience with this phenomenon. When I´m lying totally relaxed in bed and suddenly a door is closed loudly,...
154 views

### Is there a biological limit for “amount” of happiness?

I have heard about neurotransmitters like dopamin and serotonin that are supposed to play a role in our feeling of happiness. I don't know how these chemicals works in our brain, but I am thinking ...
318 views

### How can we realize when a sociological question is impossible to answer?

In my language there is a famous common sense statement which tells the populations are swinging back and forth from one extreme to the other. The idea behind is that, at a sociological level, the ...
180 views

### Why might a person get widely varying scores on different online IQ tests?

Online IQ tests often yield wildly varying results (say 60 - 150). These are actual values obtained by repeated measures. It is puzzling, because it's such a wide range. How can the same person be ...
864 views

### How does the brain read rotated text?

Suppose a human ran across a letter written at a 45 degree angle. How does the brain read this text? Most people don't often see text written at an angle, so it seems safe to assume that the brain ...
756 views

### Innate personality tests: do they exist? If not, why?

A personality is developed by innate factors and by the things that happen in your life, but how would your personality be if you either had received the same amount of positive and negative stimuli ...
159 views

### Sensitivity of human eye to luminance

I heard once that the human eye has a logarithmic scale for luminance, e.g. to "feel" that a surface is three times as luminous compared to another, the former emits a light 8 times more powerful than ...
193 views

### Any studies on the phenomenon of photo-taking even in dire situations?

I have noticed a tendency these days for people to take pictures of the things they see in the public with their phones. This is fine, but I have found that it has gone to an extend where in a dire ...
760 views

### Relationship between social psychology and educational psychology

For some time I have been trying to figure out what the connection between social psychology and educational psychology is. By their definition, it seems that there at least one (major) point of ...
407 views

There is a lot of research done on impulsivity trait. Here is detailed wikipedia article and here is one interestiing video of biological and psychosocial causes of impulsivity. In wikipedia article ...
1k views

### Devices that detect when someone is falling asleep

I'm wondering what types of devices exist that can detect how close someone is to falling asleep. I have heard of several devices that may be able to do this, but I haven't been able to find very ...
614 views

### Teaching Problem Solving : Mastering bit by bit Vs Try it all by yourself?

Background: I'm a teacher who trains hundreds of high school students in Math, Physics & Chemistry to crack probably toughest competitive exam in India. I deal with the students who are ...
438 views

### Minimum duration for presenting a visual stimulus on screen

My experiment involves presenting simple visual stimuli briefly on screen (200 ms to 1000 ms). The stimuli would be simple enough (e.g. a circle and a line) but I want to use a range of durations to ...
193 views

### Desire to climb from evolutionary perspective?

When I go near a hill or dune, I feel desire to climb there and have a wider look on the surroundings. I know a lot of people who love mountains and want to climb higher and higher, but never have ...
419 views

### Why do people regret actions they didn't take when looking back on their lives?

Is it true that individuals often regret recent actions (i.e., last few months) but when they look back on their lives, they tend to regret things that they have not done (or lack of actions) ? If so, ...
60 views

### What is the field that studies community responses to incentives?

Having recently read Freakonomics I was particularly interested by the idea of the responses of a community to incentives - as an example, the tale of a school which tried to introduce a financial ...
109 views

### Why do pupils dilate in response to emotional state?

I just came across an article on the internet stating that, Pupils dilate when we find someone or something attractive. So, as far as I know, this kind of dilation doesn't seem to have any ...
78 views

### Recent psychophysical studies using the “Method of Adjustment”?

The Method of Adjustment, devised by G.T. Fechner, is one of the three classical psychophysical procedures used to examine perceptual performance. It came to fame through early studies of visual ...
68 views

### Has fiction or the study of fiction ever made meaningful contributions to Psychology?

Those who study fiction often make certain claims, such as fiction allowing us to "gain depth into the human experience" and such. Psychology is the academic field which studies human behavior, and by ...
103 views

### If you sleep during the day, do you need less sleep at night?

If, say, you sleep 2-3 hours during the day (in the afternoon) - Do you need less sleep at night? After all, subjects feel less tired in the evening after sleeping during day. Can sleep hours be ...
238 views

### Is there a difference between visual short term memory and visual working memory?

As far as I can tell the two terms are used interchangeably. Do these two separate terms exist for historical reasons, or is there a distinction I'm missing?
831 views

### Can an extravert suffer from social anxiety disorder?

Extraversion is a personality trait that, as the Wikipedia article describes, causes people "to enjoy human interactions", to be sociable, outgoing and love crowds. Social anxiety disorder (SAD), on ...
247 views

### What is the minimum angle off horizontal before a line visually appears inclined at first glance?

Here is a straight line, which visually looks like a straight line: At first look (lets say minimum 2–3 sec.) the line below looks straight, but after some time you can see that it is actually an ...
91 views

### Are axon terminals always part of a synapse, or are there any that just release neurotransmitters into the ether during an action potential?

By "ether" I mean to no post-synaptic cell in particular. If this is the case, how common is it for an axon terminal to not be part of a synapse? Related question: do axon terminals form only as ...
193 views

### Distortion of faces presented serially in peripheral vision

I've kind of already answered this question for myself, but I can't resist sharing it anyway. Please feel welcome to add anything you can in another answer. Stare at the cross in the middle and try ...
343 views

### Is depression an inflammatory disease?

In the paper: Michael Berk et al, So depression is an inflammatory disease, but where does the inflammation come from?, BMC Medicine 2013, 11:200, doi:10.1186/1741-7015-11-200 it is presented as ...
76 views

### Regarding “a human brain can hold enough information to fill 10 libraries”, can we quantify the memory required for a given task?

It is not the exact phrase, but I have heard variations of this claim. I am wondering whether such claim is supported by a study or experiment. I am also curious if there is a way to sort of vaguely ...
148 views

### Is there a formal definition for the difficulty of learning something?

Sometimes I hear that one subject is harder than another, but never scientifically investigated. For example, in high school, it's commonly thought that mathematics is the hardest subject. But I think ...
267 views

### What effect does the colour of an “Open” sign have on people's behavior?

I am in the process of designing a nice OPEN sign, and I noticed that the vast majority of them are red. This seems bizarre to me, yet green open signs look odd. I just wondered if anybody knew why ...
261 views

### How has geometry been applied in cognitive science?

What areas of geometry are used in psychology/cognitive science/neuroscience? Are the applications of a sophisticated nature or superficial?
432 views

### How important is eye contact for hypnotism?

We had the funny situation where an ambiguous question was asked and then edited to go two ways. Thus, I've reposted the edited version of the question that was not retained, particularly so that the ...
167 views

### Why does speaking with rhythm help a subject get into a trance?

Various hypnotism teachers tell you to speak with a relaxed voice with rhythm. You can see Derren Brown on this in The Experiment - The Assassin (from 4:48 to 5:40): Soft, rhythmical language, ...
228 views

### Does empathy extend to animals?

I've read that humans are able to empathize with other humans, to feel as another person does, through mirror neurons. I'm guessing that they're able to empathize with primates too, as they share ...
143 views

### What was his name again…ahh got it!

You all know the situation described in the title. You forgot something and start to search your memory and then after quite a while it jumps right in front of you, out of nowhere. My questions are: ...
77 views

### Is there any evidence to support a correlation between how much bodily energy you are using, and how quickly time appears to pass?

It seems to me that time passes more slowly when I am drinking coffee, but when I stop, or I am tired it seems that time passes a lot faster. Could this have something to do with the sampling rate at ...