10
votes
2answers
165 views

Computational Model Linking Neural Activity to Behavior

A big question in neuroscience is how neural activity represents knowledge. We can use modelling to explore how different levels of neural activity- subthreshold currents, action potentials, local ...
5
votes
1answer
132 views

Measuring meta-intelligence

Does anyone know of any research in measuring metacognitive abilities (i.e. metacomprehension, metamemory, meta-emotions(?), etc) in people? In other words, I'm wondering if the same way we have IQ ...
5
votes
1answer
103 views

What makes the difficulty of an arithmetic item? The operation or its length?

When presenting someone with an arithmetic item, let's say 2+2, what makes it difficult? Is the item 2+2+2 only longer, or also more difficult? Does the mental operation of addition make the ...
6
votes
1answer
74 views

What psychophysical research published its data?

Can you point to published research in psychophysics that made its original* data available? *by 'original' I mean the trial-by-trial responses for each subject, and not some kind of aggregate that ...
51
votes
5answers
7k views

Why do humans have sex in private?

Human couples usually have sex in private, hidden not only from predators, but also - other humans. It is unlike behavior of most species, including our relatives: bonobos, chimpanzees and gorillas. ...
13
votes
1answer
153 views

How is the size of a video related to its perceived quality?

Video is often presented at different sizes. On the Internet, many websites provide quite a few size settings. In the store, you can buy TVs of many different sizes. In both cases, it's the same ...
6
votes
1answer
107 views

Which type of stimulus results in an optimal learning curve for rats and mice?

When using operant conditioning to train mice or rats, what type of stimulus is most effective? For example, does a negative reinforcement of a loud noise have a more profound effect than a negative ...
10
votes
1answer
124 views

Does teaching a bird an artificial task like eating from a feeder hurt its performance in the wild?

Can training a wild animal through operant conditioning somehow cause the animal to forget or be unable to perform tasks which it had perviously learned? Is it likely that training wild animals ...
35
votes
3answers
3k views

What makes people easily subscribe to pseudoscientific theories?

There are many theories/disciplines that have been categorized as pseudoscience in the scientific community. The list includes many things that are regularly even quoted in media like graphology, ...
7
votes
0answers
108 views

Do the motivations and fears behind Enneagram have any scientific reasoning?

Background The Enneagram personality typing system defines set of motivations and basic fears for its nine personality types among people. The system seems to be aimed at personal development of a ...
11
votes
1answer
311 views

Is the theory of Information Metabolism a reasonable scientific theory?

Background I have been checking out various personality typing assessments lately when I came across a Personality typing system known as Socionics which aims at explaining relationships between ...
11
votes
1answer
1k views

Do the Jungian Cognitive Functions/ Processes really exist?

Background Many of us must have come across personality theories like MBTI which use part of Carl Jung's concepts to make a theoretical system used to divide people into types. For example, MBTI ...
10
votes
0answers
171 views

Human behaviour in one-shot perfect information games

Background A one-shot game is one where two participants have some set of actions $\{1, ... , n\}$, they make their decision on which option to take (without knowing the decision of their partner, or ...
12
votes
3answers
384 views

Are there any personality theories that use the scientific method?

Background I have come across a number of personality theories. There are even disciplines of personality theories, dividing these theories according to the assumptions they are based upon. The most ...
5
votes
1answer
221 views

What is the mechanism explaining the effect of a positive attitude on immune system functioning?

It seems likely that a positive attitude can speed up the healing process. but I can't decide by what mechanism it would operate by. Questions Does having a positive attitude improve immune system ...
3
votes
0answers
68 views

What conditions are associated with more intense feelings and stronger reactions to stimuli? [closed]

What conditions are associated with more intense feelings and stronger reactions to stimuli? i.e., where someone may normally feel small amounts of happiness, pleasure, sadness, grief, etc., someone ...
8
votes
1answer
93 views

Reproducible meta-analysis in psychology

I am a big proponent of reproducible data analysis. In particular, I like when researchers share documents in formats like Sweave and knitr which weave statistical output (e.g., text, tables, and ...
8
votes
0answers
54 views

What are some known roles or correlations of glucocorticoid receptor function to behaviour?

The NR3C1 gene encodes for a neuron-specific glucocorticoid receptor (GR), of which methylation levels have been shown to relate to altered maternal care and stress response in rodents (Weaver et al., ...
4
votes
0answers
90 views

Technical model of how babies and young children learn suited to a parent with an engineering background?

Background: I'm looking forward to be a father come fall. My son will have Downs Syndrome, so there are a lot of early interventions we have to think about to support our son - logopedics, ...
6
votes
2answers
884 views

Is there a correlation between facial features and personality?

Background: From block buster movies, to Snow White and the Seven Dwarf's, characters with certain personality and mental traits are portrayed looking a certain way. For example, the clumsy one has ...
4
votes
2answers
380 views

What is a source of case studies of personality disorders?

What is a good source for case studies on a broad range of personality disorders? I'm a writer and I'm interested in reading some case studies for character work. I've found some websites with ...
8
votes
1answer
131 views

Problem understanding the calculation of normative (Bayesian) base rates

I am having trouble understanding Table 1 of Gigerenzer, Hell, and Blank (1988, PDF, table on page 516): Focusing on the Jack row, it is stated that the mean probabilities of Jack being an engineer ...
11
votes
2answers
173 views

Do the students that report “friendly” teachers perform better on standardized tests?

I'll preface this by saying that I've been considering this question in light of the "Summer of Love" initiative and subsequent blog posts, which are looking at the extent to which comments are ...
6
votes
1answer
148 views

Controlling for response bias in a forced choice memory task

I want to present participants a pair of items $a$ and $b$, each with an association $x$ or $y$. Later on participants will presented with the items singularly, and asked 'what was the association?'. ...
9
votes
4answers
1k views

Is there evidence that brain and mind are separate?

I've heard countless discussions about whether or not the mind is separate from the brain, but they have all been philosophical. I am looking for peer-reviewed studies that suggest the mind is not ...
9
votes
1answer
251 views

Is there an effect of visual expertise on eye movements when examining an image?

In the following linked image, you can see the eye movement traces of a subject examining a bust of Nefertiti (I came across this image while reading the following blog). When I was in grade ...
11
votes
3answers
6k views

Can we smell in dreams?

I'm interested in whether people can smell in their dreams. Do people really experience smell in their dreams? For example, if I dream of smelling a flower, will I feel the smell, too? Is there any ...
6
votes
1answer
140 views

Hebbian Learning Rule, Local or Global?

I just learned about the Hebbian Learning Rule. It essentially says "Neurons that fire together, wire together". I'm wondering if the learning rule is affected by the spatial distance of the two ...
7
votes
1answer
117 views

Judgments of similarity between samples of writing

I was thinking last night about the possibility of an experiment that investigates the factors contributing to peoples' judgments of 'stylistic similarity' between two samples of writing. For example, ...
4
votes
1answer
561 views

Reducing adverse impact, discrimination and unfairness when using psychological assessments for selection purposes

How can we reduce adverse impacts such as bias, discrimination, and unfairness when using cognitive ability tests and personality tests for selection purposes in an international context?
4
votes
0answers
307 views

Is human Central Nervous System arousal related to choice of activity?

I'm interested in learning more about the central nervous system (CNS) arousal and the choice of what people do and how they feel about it. Lets define CNS arousal in the context of this question as ...
8
votes
0answers
402 views

How much sleep is required to restore maximum cognitive functioning? [closed]

Background: Recently I have really messed up my sleep schedule due to my procrastination. The internet points to some very basic conclusions but I would like to see actual experiments on effects of ...
6
votes
0answers
127 views

Advantage of active learning on classification tasks

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 ...
4
votes
0answers
89 views

When one activity makes you less distracted doing another activity? [closed]

Background: When I'm coding, I sometimes make tea, and as long as I'm drinking the tea, I find myself more focused. Drinking tea seems to make me focus more. Thus, it seems that while doing something ...
12
votes
2answers
896 views

Why might a stutterer not stutter when talking to themselves, whispering, or singing?

Background: I'm a stutterer myself and have always wondered what caused my stuttering. There have been reports of the effects of certain genes and environmental factors that causes stuttering. But ...
7
votes
1answer
100 views

Who first used the term 'heuristic' in a cognitive science context?

I seem to recall that Herbert Simon borrowed the term from computer science, but I cannot remember the initial paper in which he made use of this borrowing. A google scholar search reveals some ...
4
votes
1answer
252 views

Is StackExchange.com Addiction Dangerous?

I recently looked at the meta.math.stackexchange.com and found the second anniversary was celebrated. As in the last year's Happy-Birthday post (linked therein) , some people declared the addiction to ...
7
votes
0answers
78 views

What research exists in the areas of formulating questions and “problem shaping”?

After recalling Eric Steven Raymond and Rick Moen's How to Ask Questions The Smart Way and a discussion in a systems engineering course regarding the impact of the proper formulation of a problem in ...
2
votes
0answers
154 views

How many times can someone listen to a song before he/she stops enjoying it? [closed]

How many repetitions do we need to get tired of listening to a song over and over again? I want to know if some kind of average number of repetitions exisits. Is there any research related to this ...
5
votes
1answer
111 views

Need good example of two domains involving different procedural knowledge yet sharing same high-level strategies

Working in the domain of intelligent tutoring systems, I have to prove (or disprove) that explicit teaching of high-level strategies will allow students to use learned strategies across different ...
4
votes
2answers
213 views

Does each sensory neuron type have a characteristic spike sequence pattern?

Background It is known that all sensory information is input to the brain as neural spike sequences. Now, to distinguish between the spike sequences generated by retinal red/blue/green cone cells ...
7
votes
1answer
101 views

Can processing effort for sub-tasks in neural networks be measured?

I often heard statements like: 80% of your brain processing is computing the effect of gravity or, similarily: You only use 20% of your brain power My question isn't about the truth of ...
7
votes
1answer
133 views

How can STDP fit with reciprocal connectivity?

I have rather technical question regarding STDP dynamics. I am working on a neural network implementing an STDP learning algorithm, and have noticed that it is extremely anti-reciprocal. When two ...
20
votes
1answer
286 views

How do emotions influence the language structures we use?

What are the verbal signs of subjectivity? I am doing research about the linguistic content of media (debates, talk-show, sport comments). It occurs that once the participant gets nervous or excited, ...
7
votes
1answer
101 views

A study about preference for making relatively vs. absolute more money?

I remember reading about a study. I forgot the actual details of it, but the gist of it was: people were asked in what situation they would prefer to live, one where they make \$100,000 dollars and ...
15
votes
1answer
220 views

Do cultures differ in the perception of emotions from body expression?

In their classic study, Ekman and Friesen (1971) identified seven facial expressions recognised by people universally across all cultures as depicting certain emotions: happiness, sadness, surprise, ...
9
votes
1answer
193 views

Are intelligence scores correlated with detection of second stimulus in an Attentional Blink test?

Definitions Attentional Blink: An attentional blink is a phenomenon where when presented with rapid visual stimuli if you are asked to track two particular stimuli you will fail to notice the second ...
6
votes
2answers
164 views

What does daytime actigraphy reveal about an active and awake brain?

I have interest in the study of human motion ( Actigraphy), and have built a couple of smartphone apps using its principles. The apps look at gross motor activity of an individual. Up until now, most ...
19
votes
1answer
797 views

Have the abilities of John Lorber's patients with limited cortical mass been further evaluated in adulthood?

Short of minor lesions or infarcts, most high-functioning adults have an intact cerebral cortex. Yet, a surprising result published anecdotally in Science in 1980 caused a lot of scientists to take ...
2
votes
2answers
215 views

Neural basis of primitive (newborn) reflexes

The Wikipedia article on primitive reflexes, or newborn reflexes, states that they originate in the CNS. Here's the list of reflexes from the article: Moro Walking/stepping Rooting Sucking Tonic ...

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