5
votes
4answers
134 views

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: ...
5
votes
2answers
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 ...
5
votes
1answer
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, ...
5
votes
1answer
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 ...
5
votes
3answers
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)...
5
votes
1answer
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....
5
votes
1answer
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 ...
5
votes
2answers
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' ...
5
votes
2answers
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, ...
5
votes
2answers
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 ...
5
votes
3answers
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. ...
5
votes
2answers
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 ...
5
votes
2answers
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 ...
5
votes
2answers
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,...
5
votes
1answer
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 ...
5
votes
1answer
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 ...
5
votes
1answer
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 ...
5
votes
1answer
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 ...
5
votes
1answer
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 ...
5
votes
2answers
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 ...
5
votes
1answer
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 ...
5
votes
2answers
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 ...
5
votes
1answer
407 views

Information sampling task

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 ...
5
votes
2answers
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 ...
5
votes
2answers
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 ...
5
votes
2answers
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 ...
5
votes
1answer
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 ...
5
votes
1answer
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, ...
5
votes
3answers
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 ...
5
votes
2answers
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 ...
5
votes
3answers
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 ...
5
votes
1answer
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 ...
5
votes
1answer
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 ...
5
votes
2answers
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?
5
votes
3answers
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 ...
5
votes
2answers
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 ...
5
votes
2answers
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 ...
5
votes
1answer
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 ...
5
votes
2answers
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 ...
5
votes
1answer
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 ...
5
votes
2answers
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 ...
5
votes
2answers
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 ...
5
votes
3answers
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?
5
votes
1answer
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 ...
5
votes
1answer
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, ...
5
votes
1answer
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 ...
5
votes
1answer
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: ...
5
votes
1answer
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 ...
5
votes
1answer
1k views

Do some Photosensitive epileptics desire seizures?

It seems absurd, but from the Wikipedia article on Photosensitive Epilepsy: Some PSE patients, especially children, may exhibit an uncontrollable fascination with television images that trigger ...
5
votes
1answer
409 views

How much more efficient is interleaving skills when learning?

In an interview with Robert A. Bjork this article suggests interleaving skills is better than focusing exclusively on one skill at a time. How much of a difference does the research indicate that it ...

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