All Questions

55 views

How do our emotions toward a subject affect our brain activity within similar activities?

I'll bring an example: there are people who love to dance and could do it for hours. Yet, if you'd make them run a long distance they would get tired really soon just because they don't like running ...
71 views

What is the effect of displayed online personal identifiers on online communication?

Online interaction provides an interesting avenue for experiment and experience. People are able to hide or fabricate their personal details including age, sex, and appearance. For the purposes of ...
150 views

What is understood about interactions between personality types or traits?

There are several psychological tests based on Jungian typology (e.g., MBTI, Insights & DISC) which extrapolate findings about personality into how those types interact (e.g., interaction styles). ...
76 views

Performance on secondary tasks next to a primary task are sometimes used to assess mental workload (GD Ogden, 1979). For example the Stroop test as a secondary task has been evaluated by Gwizdka, ...
101 views

I am currently programming an experiment where participants have to do a divided visual field task. In a paper about the correct methodology about these tasks, it is said that you should use a ...
50 views

What are the common nutritional deficiencies in western countries related to reduced mental performance?

What are the common nutritional deficiencies in western countries related to reduced mental performance ? I've heard about omega 3, folid acid, and vitamin D deficiencies, the last two are now reduced ...
472 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 ...
170 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 One person cites an unpublished manuscript by Dehnadi and ...
126 views

I am looking for a specific type of experimental test of active learning. Given some artificial or natural learning task that consists of classifying inputs $x$ from a large input space $X$. There is ...
103 views

Problems with using personal feedback to motivate participation in an online psychological experiment?

I am planning on running an online psychological experiment where participants must learn about various simulated environments and then make inferences about them. Because completing the experiment ...
62 views

How to efficiently get a sense of the meaning of a score on a non-aptitude test that you encounter in a journal article?

Context: When reading research articles in psychology, you often encounter new non-aptitude self-report psychological tests (e.g., measures of personality, well-being, psychopathology, learning style, ...
171 views

How do cooperative vs. competitive activities impact the learning patterns of an individual?

To what extent does cooperative versus competitive learning influence personality development or even pathological behaviors? If these activities need to be narrowed down to a specific category, I'm ...
123 views

What psychological or sociological concepts form the basis of Principled Negotiation?

Although the various forwards mention that organizational behavior and social psychology are two of the fields that form the basis for the techniques taught at Harvard Law School's Negotiation and ...
246 views

Refinements of Rescorla-Wagner model of classical conditioning

The Rescorla-Wagner model is one of the most commonly discussed mathematical models of classical conditioning. It was wildly popular when it came out in 1972, and very successful. The same math, is ...
168 views

What is the neurological basis of maintaining self discipline?

Self Discipline, as defined in this meagre Wikipedia article as being as the ability to motivate oneself in spite of a negative emotion This is partly distinct from self control and willpower ...
93 views

How much additional sleep is required to recover from a given number of hours of sleep deprivation? [duplicate]

A previous question dealt with whether it is possible to catch up on lost sleep. This question is a little different. Assume that a healthy adult has been deprived of sleep for "x" hours. How much ...
208 views

Theoretical limit to the use of mental faculty of the brain

A lot of articles stress the importance of having to train the brain (By training the brain, I mean the cognitive faculty of the brain for learning things and not brain's normal functions) since the ...
686 views

How to explain emoticons to an autistic person?

I am currently chatting in an IRC and there is one girl (i think she's about 18 years old) and she has Asperger syndrome and therefore is unable to understand countenance and feelings. She told me ...
2k views

Are there any standard tests to measure psychopathy?

While looking into another question on how to measure the adoption of norms, I came to wonder whether there are any standard tests to measure psychopathy. What are the accepted standard tests to ...
8k views

Why are some people unable to easily memorize the lyrics to a song?

Although I have listened some songs hundred of times I can't sing the lyrics to any of these songs from beginning to end without pauses. However I am able to whistle the whole song without difficulty. ...
238 views

How would synapses behave if resting potential was zero?

Assuming that the resting potential is zero and the other mechanisms were exactly the same, how would it affect the generation of spikes in terms of excitatory and inhibitory postsynaptic ...
673 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 ...
179 views

Why does your recorded or objective voice sound different to what you hear in your own head?

When speaking, I hear my own voice very differently from how others do and from what it really is. The sound differs in tone, pitch, volume, etc. For example, recordings of my singing or speaking in ...
185 views

Are closed eye movements related to the content of dreams or the imagination?

During rem sleep there are observed eye movements, which seem like they would correlate with the person visualizing their dreams. Do their eye movements actually try to follow what they're dreaming ...
188 views

How do memories come up for no apparent reason? Is this evidence that we remember everything?

As I was driving, all of a sudden the name "Holden Caufield" came to my mind. It sounded really familiar. I googled the name and it was the main character in The Catcher in the Rye. The last time I ...
2k views

Why do some people only work well under pressure?

It is common for people to procrastinate. Putting off tasks until the resulting deadlines get closer and there comes a point at which the person will fire into action. (whether this point leaves ...
151 views

How can surprise be labelled conscious when mismatch negativity shows that surprise takes place earlier than conscious states?

Mismatch negativity (MMN) is the brain response to violations of a rule. The MMN peaks at about 100–250 ms after change onset. If MMN occurs so early, before conscious perception, why is surprise ...
2k views

Training for the corpus callosum?

Since reading is done in the left hemisphere of the brain, does reading text in the left visual field train the corpus callosum? For instance, I am interested in knowing whether training may lead to ...
130 views

Do humans mentally discretize numbers?

It seems reasonable to me that humans discretize numbers: this number is bigger than than number, or when faced with a series of numbers that range from 0 - 100, 50 is "middling", 10 is "low" and 90 ...
2k views

Why does a stuffed up nose clear up momentarily when the person having it is startled or has an orgasm?

I have experienced this phenomena many, many times and I'm sure it's not only me. I guess the sudden rise in arousal opens up the nostrils in a kind of fight or flight response, but I'm interested in ...
122 views

What do we call the “middle” variables in a complex research model?

Basic theory building goes like this: you create a theory which has an independent variable and a dependent variable. I have also been taught to use "explanatory variable" as synonym for "independent ...
352 views

Does associating a color with numbers improve math learning?

I have heard a number of reports that some mathematical savants associate particular colors with numbers. It got me wondering, if colors are associated with numbers during mathematical teaching, ...
196 views

Effectiveness of recalling information in the same location it was learned

In an interview with Robert A. Bjork this article claims that it is easier to recall information where it occurred: Similarly, studying in only one location is great as long as you’ll only be ...
120 views

Is there a term for a person who moves from one field of expertise to a new field and has an inflated belief in their competence in the new field?

Person A has led a successful career and is very well renowned in field A. Later in life, person A moves to field B, a field they're curious about but have very little experience in. Person A ...
143 views

Is the concept of conservation fundamental to understanding fairness and capacity in “love”?

I heard this comment on a radio program about Child parenting by psychologists: "A child will not comprehend an explanation that, a parent loves each sibling equally, as they do not have abstract ...
126 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: ...
502 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 ...
143 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 ...
80 views

Is there a name for a scientist's resistance to disconfirmation of his or her theories?

Confirmation bias is the tendency to search for or interpret information in a way that confirms one's beliefs or hypotheses. And some results illustrate that people set higher standards of evidence ...
99 views

How much alcohol is negative for brain function?

How much alcohol can you consume before it starts to kill a single neuron or interfere with proper brain functioning? Does it happen: If you take just a few drops of alcohol? If you drink a rum and ...
89 views

If we concentrate on our disappointment do we really get more disappointment?

On the blog, Positive Psychology Review, I read the following: TRAIN YOUR BRAIN - LAW OF ATTRACTION Dwelling on disappointments mentally and physically trains your brain to attract more ...
112 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. ...
324 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 ...
471 views

Is the 'addiction' to receiving sympathy similar to substance addiction or just a deficit of resilience?

A lot have encountered people who seem to be addicted to receiving sympathy - before getting to my question, allow me to clarify, what I am referring to are people for whom, knowingly portray ...
216 views

Is it possible to become totally envy free?

Can we develop a particular mind set for being totally envy free; to stop envying others?
658 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, ...
128 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 ...
74 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 ...