3
votes
0answers
47 views

What's the explanation of this optical illusion where many coloured arcs radiate from a central point?

I saw the image below on facebook. At first, I thought it's a GIF animation since it doesn't appear static but it turned out to be a static JPEG image and the apparent motion is caused by the brain. ...
4
votes
0answers
31 views

Is there an experiment where participant tries to move object with brain-machine interface and object is moved by someone else?

Psychological experiment where subjects are first taught to move a object just by thinking about moving it (subject's brains are being read with a machine that moves the object). Then the object is ...
-2
votes
1answer
38 views

What is a good rough rule of thumb regarding required sample size for questionnaire studies?

I need to perform a questionnaire as part of my final project. What are the quick-and-dirty rules for knowing how many respondents I need to get meaningful results?
0
votes
0answers
16 views

Personality disorder beginnings in parental narcissism and eating disorders

During childhood, are parental narcissism coupled with a pre-teen eating disorder good indicators of adult personality disorders, such as classic or covert narcissism? If an eating disorder occurs at ...
2
votes
1answer
86 views

Can brain hemisphere activity/ dominance be inferred from the test subject's drawings?

I'm aware that all tasks that a person undertakes involve both halves of the brain. At the same time, there are studies of people who have communication between brain halves severed or suppressed and ...
2
votes
2answers
66 views

Can a self-paced-reading & grammaticality judgment task be programmed in PsychPy or Open Sesame?

I want to know if it is possible to design an experiment on PsychoPy or Open Sesame in which the subject does a self-paced reading (with measuring the reading times for each word), and then after ...
5
votes
3answers
335 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, ...
0
votes
0answers
15 views

What is the modern definition for problem solving?

Apart from Polya's definition of problem solving in 1981, "finding a way out of a difficulty, a way around an obstacle, attaining an aim that was not immediately attainable.", is there a better modern ...
4
votes
0answers
23 views

Research connecting reflection/introspection in computing and metacognition

I would like to know if the notion of reflection/introspection in computing has prompted research in other fields other than computer science, e.g cognitive sciences. In particular, I would love to ...
6
votes
0answers
76 views

Are there any open task sets available to assess workload using secondary task measures?

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, ...
1
vote
0answers
36 views

Can one become less neurotic?

Is it possible to become less neurotic? If so, how? The only methods I've found are meditation and "death contemplation", and I don't know if those have any scientific support. "Individuals who score ...
1
vote
0answers
30 views

How does the unconscious mind work and can we consciously have any control over its contents and functions?

I have read up that the unconscious mind has substantial influence over our decisions, reactions and behaviors. Can we have much influence on how it functions and can we use it to our benefit? Also, ...
0
votes
1answer
38 views

What evidence is there to suggest that delayed gratification is taught and learned and not genetic?

Every evening I spend considerable time and energy trying to get my kids to eat their dinner, holding off treats such as chips or dessert. My experience was that my parents did the same. I have ...
11
votes
6answers
1k views

Is it possible to think in a second language?

Those who have learned a second language are guaranteed to consciously think of words and their corresponding meaning in your native language or vice versa. This is common with more "complex" ...
0
votes
0answers
20 views

Vivid dreams by electric shocks?

what told me in a comment, that of course anything that will disturb your sleep but not quite wake you will induce vivid dreams, because vivid dreams happen in the shallow sleep phases. I agree, ...
2
votes
0answers
35 views

Effects of Social Networking websites on Humans?

What are the effects of social networking websites in the evolution of humans (behavioral, intellectual, etc.)? Have their been any studies (published research, articles) on positive or negative ...
5
votes
1answer
88 views

What is the impact of showing the amount of unattended notifications to the user?

What is the difference in cognitive effects on the user between simply showing that there are 'some' unattended notifications, or showing how many notifications there are? Take Facebook's ...
16
votes
3answers
319 views

Do only humans spend a lot of time daydreaming (or having “stimulus-independent thoughts”)?

A paper Killingsworth et al., A Wandering Mind Is an Unhappy Mind, Science 12 November 2010: 932 (or a free pdf) starts with the following statement: Unlike other animals, human beings spend a ...
5
votes
2answers
107 views

Are Rorschach (inkblot) tests still used as a diagnostic tool?

Are Rorschach tests still used as a diagnostic tool today, or are they just a relic from the 60's? If they are still in use, what sort of information do they provide?
1
vote
0answers
34 views

“All lay loads on a willing horse”

Is there any research on an effect described in the proverb in the title, i.e. when people who work well are requested to work even more, while weak workers are usually left without attention?
6
votes
3answers
152 views

Why did Richard Feynman appear to recommend replication before manipulation when conducting lab experiments?

In Richard Feynman's classic Cargo Cult Science speech. He talks about a type of scientific error made, where a person takes a previous experimental result for granted when designing an experiment. ...
4
votes
1answer
26 views

How does the timing work out for dopamine to affect the development of long-term potentiation?

I just recently learned (indirectly from this source) that long-term potentiation/depression only takes place when you have large/small amounts of dopamine present at the relevant synapse. However, my ...
-3
votes
1answer
33 views

Study Effectively [closed]

I have 1day for the exam and there is much to study and Is there anyway to study Effectively.. This is not just for tommorrow this is for the entire life.. I'm feeling little low. Is there any ...
3
votes
2answers
28 views

Are there any programmes to identify modular “NeuroBricks”?

In synthetic biology, an organization called the BioBricks Foundation tries to identify modular biological components that are amenable to engineering design, and publishes them in the Registry of ...
3
votes
0answers
19 views

Cognitive (neuro)science and related mailing lists

I am looking for cognitive neuroscience (and related) mailing lists. For some time I have been subscribed to Visionlist and found it to be a tremendous source of information about conferences, PhD and ...
6
votes
0answers
30 views

Why *fractional* anisotropy?

Does anyone know why the FA (fractional anisotropy) measure in diffusion tensor imaging is called "fractional"? I'd have thought "local", i.e. voxel-wise, would have been the correct way to qualify ...
3
votes
2answers
220 views

Is there a term to describe an inability to express emotion or feelings?

I am writing a novel and was wondering if there was a specific term for someone unable to express his own emotions or feelings. The catch here is, this doesn't mean he doesn't know what anger or love ...
3
votes
0answers
22 views

Where do spatial dimensions enter in single compartment neuronal models?

I am trying to understand how the length and diameter of a compartment are specified. For example, in the Hodgkin–Huxley model, we only have conductances specified in $\rm mS/cm^2$. How do you specify ...
2
votes
2answers
71 views

Diffrence between SSVEP and P300

I have read about SSVEP and P300 as different subjects. But its seems that they are related to each other. Is P300 a kind of SSVEP?
4
votes
1answer
130 views

Is “Schizophrenic” considered to be a derogatory or offensive term?

In US English, "Schizoid" is considered a derogatory term, while "patient/person with Schizoid Personality Disorder" is the "politically correct" term (and more accurate). For this reason I wanted to ...
0
votes
0answers
16 views

Do people prefer to buy items from bigger stores vs. smaller stores?

Do people prefer to buy items from bigger stores rather than from smaller stores, even if prices are the same in both? I'm just trying to make a case to my boss about a software product, and I'm ...
3
votes
1answer
48 views

Does referring to each other by number in group meetings lead to better results?

I've learned that the pilots of the Red Arrows never refer to each other by name but by number in the briefing room in order to avoid conflict. Is there a name for this trick? Do any studies say this ...
2
votes
1answer
47 views

Can a person control their brain's electrical activity?

In a brain-computer interface paper, I found the following paragraph: Effective assessment of BCI performance requires two levels of evaluation: the user and the system. The user must control the ...
2
votes
0answers
17 views

How do ligands bind to and release from receptors?

I'm wondering exactly how ligands bind to and release from receptors. Until recently I presumed ligands were attracted to receptors through electrostatic forces with no chemical interaction involved, ...
0
votes
0answers
42 views

How does childhood incidents or upbringing affects one's sexuality?

Does sexual teasing in the childhood can lead to bi-curiosity. I mean if someone becomes shy and start feeling inferior or bad about his/her sex(sex organs) due misbehaviour, assault and continous ...
3
votes
0answers
30 views

What is a good general reference on cognitive science in military training?

I know that one of the application of cognitive science is military science. Unfortunately I haven't found a good source on how cognitive science could benefit military training. Is there any ...
3
votes
2answers
73 views

Is there a way to make oneself more sleepy?

Background motivation: Is there is a way to correct sleeping patterns to go to bed at least at midnight, not later than that? If I do not feel tired/sleepy enough, can I "prime" or "cheat" myself to ...
4
votes
0answers
59 views

What to do when you have a speed-accuracy trade-off in your data?

Many studies report that a speed-accuracy trade-off (SATO) did not occur in the data since there is a positive correlation between RTs and error rates. In other words, people took longer to respond ...
0
votes
1answer
76 views

Is quantum tunneling required for nerve signals to cross the dendritic synaptic barrier?

A person says: "It turns out that the synaptic barriers of dendrite brain cells are too thick for nerve signals to classically cross. This means that nerve signals need to use Quantum tunneling to ...
2
votes
2answers
104 views

What is the name of the condition where you feel like you have been somewhere before?

It happens many times when you visit a place you have never been before, you feel subconsciously you have been there already. And the events and people you are ...
3
votes
1answer
43 views

What is the meaning of semantics to cognition?

I am new to the field of semantic knowledge representation and all I get information about the term semantics = meaning. Can somebody please explain to me what is semantics and how it is important in ...
1
vote
1answer
34 views

What is the difference between cognition and artificial intelligence in the context of robotics?

A lot of research work is being conducted on artificial intelligence and robotics. Terms like cognitive robotics are used. What is the difference between cognitive robotics and artificial intelligence ...
3
votes
2answers
72 views

What is the difference between biological and artificial neural networks?

I read that neural networks are of two types: a) Biological neural networks b) Artificial neural networks (or ANN) I read, "Neural Networks are models of biological neural structures," and the ...
1
vote
1answer
28 views

What are the neurobiological factors associated with intelligence in animals?

For example, is there a well-defined relationship between "number of neurons in the cortex" and some measure of "intelligence" in animals? I'm familiar with the encephalization quotient - that is, ...
0
votes
1answer
28 views

What does Inter-Personal conflict means in clinical evaluation?

Bob suffers from depression and thinks he has dementia. He goes to see a Psychologist who conducts Rorschach test and gives the following evaluation: ...
2
votes
1answer
75 views

Is it usually worthwhile to argue to try to convince someone?

I find from personal life experience that arguing with someone is hardly a good way to try to convince someone of something. You might end up getting whatever you'd like from the person you are trying ...
0
votes
1answer
65 views

Is attraction between two people just physical, not neurological/psychological?

In the Richard Morgan's sci-fi debut Altered Carbon, the technology exists to separate a person's consciousness and put it into another body or "sleeve". The protagonist Takeshi Kovacs, is downloaded ...
1
vote
2answers
280 views

Why is the sound of running water soothing?

What is it about the sound of running water that soothes the brain and the soul? This is what I found on the internet: Our species evolved where trees met savannahs and where freshwater sources ...
3
votes
1answer
41 views

How does the frequency of a visual stimulus affect the steady-state visually evoked potential?

I want to make a project for EEG signal processing, and in my research I found the concept of SSVEP, which means that if you have a stimulus with low frequency applied to the eye, the electrical ...
3
votes
1answer
20 views

Why does autism sometimes impede the ability to produce sounds?

My seventeen year old brother is severely autistic and unable to communicate. He can produce sounds, and imitate words, but he doesn't respond to words in a way that suggests he understands them. His ...

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