11
votes
4answers
318 views

Why is training better when following an easy-to-difficult schedule?

As suggested in the answer to this question, experimental results show that training is most effective when it follows an easy-to-difficult schedule. What theories and specifically computational ...
9
votes
1answer
516 views

What is the most complex artificial neural network created to date?

A few years ago I wrote a research paper for college on neural networks. At the time IBM's Blue Brain was the clear winner. Some rumor went around that they were close to emulating a brain the ...
8
votes
2answers
456 views

What part of the brain locks up when a man is in the presence of an extremely attractive female?

This question is specifically about the male brain and its lack of cognition in the presence of a highly attractive female. This is in contrast to regaining cognitive ability in the presence of an ...
7
votes
3answers
398 views

What are the mathematical models of memory?

Are there mathematical models of memory in humans or animals? I want to know how neuroscientists use mathematics to describe memory in living creatures. How do neuroscientists model memory and show ...
19
votes
5answers
485 views

Why do we prefer visually aligned objects?

We all know visual alignment is one of the foundations of design. Everything must be aligned with everything else. We also know that when things are aligned it is easier to process information. My ...
14
votes
2answers
916 views

Does super-intelligence necessary lead to consciousness, self awareness, freewill or emotion

After seeing this talk, the question popped in my mind. The idea is that as soon as a system is complex enough or intelligent enough, it able to act on its own. It seems to be a common belief. For ...
13
votes
3answers
450 views

Longitudinal mobile mood tracking app with random reminders

The goal is to take simple measurements of mood using Likert scale over an extended period of time (e.g. two months). I know there is a large number of mobile apps for tracking mood on every ...
13
votes
1answer
300 views

What are the minimal requirements for successful gamification?

I am very interested in the concept of Gamification, the idea (used here on Stack Exchange) that by making mundane tasks into a game, you can elicit desired behavior from users of software. (For ...
12
votes
1answer
307 views

Does dream recall disturb the processes of memory consolidation?

Psychology in the time of Freud was occupied with dreams. Relaying these to one's analyst was an important part of treatment. Fast-forward to less than 100 years later, and we know so much about the ...
7
votes
0answers
523 views

How does goal-tracking and sign-tracking behaviour vary across species?

In Pavlonian (Classical) Conditioning, conditioned responses of an animal may vary. Some animals focus on the unconditioned stimulus (ie. food / location of food) while others may focus on the ...
6
votes
3answers
906 views

Why have historically most inventors been men?

I noticed something strange when I looked at about.com's list of famous historical inventors. You can see that most of the inventors are men, and only a few are women. Can this be explained by ...
1
vote
8answers
663 views

What's the major difference between mind and brain?

I am preparing a presentation on "Mind Reading Computer", and all articles that I came across were focused on reading interpretations from brain through sensors. Articles like this clearly show a ...
15
votes
3answers
1k views

Why does neuroplasticity decrease in adults?

Although adult brains are malleable and even undergo limited neuorgenesis, the extent of the neuroplasticiy is much lower than in children. This is most obvious in language acquisition, and recovery ...
13
votes
1answer
451 views

What stimulus features determine the psychophysical power law exponent?

Following the work of Stanley Stevens, psychophysical functions of stimulus intensity are commonly assumed to follow power laws, as illustrated below: This appears to be true for a wide variety of ...
13
votes
2answers
309 views

What concepts of perception should designers be aware of when designing?

Visual perception is a huge topic, much of which is relevant to the work of a designer. I have identified topics in visual memory, visual cognition and colour perception that are relevant, and I'm ...
12
votes
1answer
180 views

What defines the easiest time to get out of bed in the morning for humans?

I'm interested in sleep research, and sometimes in conversations with people the following idea gets discussed: "A person becomes aware at a certain time in the morning and feel great(while still in ...
12
votes
1answer
389 views

How to measure dominance and submissiveness?

Introduction Interpersonal dimensions of personality (Sullivan, 1953) have been described in a circular model, the interpersonal circumplex, since Leary (1957). The two dimensions that define this ...
12
votes
2answers
456 views

Does intelligence cause greater alcohol consumption?

I just stumbled on a blog post that asserts that more intelligent people drink more than less intelligent people. The author writes: Controlling for a large number of demographic variables, such ...
10
votes
1answer
119 views

What happens when a person “imagines” how food could taste like just from looking at it?

What processes are triggered by imagining the taste of food (let's assume it's sealed so that its smell doesn't reach the test subject's nose) only by looking at it, based on memories of food with ...
10
votes
3answers
382 views

What are the key examples of the use of computational methods in the study of biological neural networks?

In an upcoming postdoc, I'm going to be looking through biological neural network data in the hopes of finding some interesting "patterns". I'm coming at this field from a mathematics/computer ...
10
votes
2answers
236 views

How can the success of Bayesian models be reconciled with demonstrations of heuristic and biased reasoning?

In recent years, Bayesian models of cognition have been used - with considerable success - to explain human reasoning in a variety of inferential tasks (Chater, Tenenbaum, & Yuille, 2006). These ...
10
votes
2answers
146 views

Measuring the adoption of norms

I'm trying to make a survey and I'm having trouble to find a scale to measure the adoption of norms. The people who fill in the survey have to think about a situation in which they were ashamed. For ...
10
votes
3answers
210 views

Is there a random walk theory that can account for situations with more than two choices?

In the article "Two-stage Dynamic Signal Detection: A Theory of Choice, Decision Time, and Confidence" from 2010 by Pleskac and Busemeyer, a random walk model is presented for situations where a ...
10
votes
1answer
212 views

How do humans control saccades?

I've gathered the standard rational for a visual system utilizing saccades from perception textbooks: the neural cost of processing an entire scene at a high level of detail would be prohibitive, but ...
9
votes
2answers
2k views

How is fasting related to insomnia?

Yesterday I started a new diet using intermittent fasting. For this reason I only ate one meal all day. I was pretty surprised how well I passed that day: I studied a lot, did some sports and ...
9
votes
2answers
611 views

In what ways can neurons fire randomly?

When developing a model of a biologically-plausible neural network, it is important to know all the circumstances under which neurons can fire. But, I am limiting this question to random firing. In ...
9
votes
1answer
283 views

Are there sex differences in inter-rater consistency of attractiveness ratings of opposite-sex faces?

Is there any research that assesses whether males or females judge faces of the opposite sex with a greater internal consistency? That is, is the standard deviation of attraction ratings for a ...
8
votes
1answer
195 views

How are people able to wake themselves up after a pre-specified amount of time?

Auto-suggestion seems to work. Several people I know seem to be able to tell themselves "I'll wake up after 'N' hours/minutes", and do so within a minute or two of that duration. I thought for a ...
7
votes
1answer
118 views

Is there evidence for a unique isolated internal representation of loved ones?

Some time ago, I've read that the most significant people in a person's life have their own internal representation/model of within the person's mind. For example: An internal representation of a ...
7
votes
1answer
129 views

Any attempts at testing or modeling the 'cognitive conception' of language?

For those unfamiliar, the 'cognitive conception of language' refers to a claim made by some theorists that, in the words of Carruthers: "besides its obvious communicative functions, language also ...
7
votes
1answer
282 views

Do characters in a dream have their own separate thoughts or identity?

I am very curious as to if any research has been done in this area, or if such a question even can be researched given the current tools and methods available to cognitive scientists. When one dreams, ...
6
votes
2answers
312 views

Is procrastination greater when skill is low and rewards offer low status boost and does this lead to efficient task allocation in groups?

I am very interested in procrastination, because it is such a clear sign of lack of motivation. I have a hypothesis about why we procrastinate, which I would like to get tested by you. The assumption ...
5
votes
2answers
108 views

What correlation is there between breath control and personal self confidence?

In yoga, the instructor mentioned that controlled deep breathing can increase self-confidence. (Next time, I will ask him why he believes that but I doubt he has any references...) Furthermore, ...
5
votes
1answer
422 views

What positive writing exercises improve happiness?

Writing seems like a perfect medium for expressing ones problems but can it also be used to improve happiness somehow? Maybe through some sort of creative writing exercises that focus on positive ...
4
votes
1answer
913 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 ...
1
vote
2answers
202 views

How does cognitive science explain the origins of intuition and intelligence, that accurately describes the laws of nature?

What is the origin of non-incremental, revolutionary intuition and intelligence? For example, a human mind like Albert Einstein's can "come up" with revolutionary ideas and theories that correctly ...
13
votes
1answer
151 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 ...
10
votes
2answers
381 views

Is it possible to quantify cognitive bias?

We know that bias exists, and that it affects our judgment and perception. This effect has to do with user's experience in life. That experience is taken care of by the brain, and if you counter a ...
10
votes
3answers
296 views

What is the term for a psychological effect which does not have a neurobiological/genetic basis?

When a psychological condition is the result of irregular brain structures or neurotransmitter imbalances we say the condition has a neurobiological basis; this is analogous to the classic Nature in ...
9
votes
2answers
186 views

Does perception have a “frame rate”?

Are the objects of visual perception processes divisible into individual, still frames, like video is? If so: Are the perceptions from different senses synced to the same frequency? Are these ...
9
votes
3answers
332 views

Why do teenagers take the internet and cyberbullying so seriously?

Background: I saw this post on the daily Mirror: A girl committed suicide because some users bullied her on ask.fm. I signed up to see what that site is, and it was some Q&A site. So she committed ...
9
votes
1answer
225 views

Is religiousness a genetically heritable feature?

I know that parent beliefs have very strong influence on child, but is it possible that genetic factor also play a role? I doubt that the content of any religion could be heritable through genes nor ...
9
votes
1answer
545 views

Are there emotions that only some people can feel?

Presumably, there are emotions that almost any person can feel, such as happiness, sadness, guilt, and embarrassment. But are there emotions that only a small fraction of the population can feel? ...
8
votes
0answers
87 views

Food sharing and mutual aid among the homeless

Since the time of Peter Kropotkin, it's been observed and theorized that cooperation and mutual aid are more common in austere environments. A classic biological example would be slime mold ...
8
votes
1answer
309 views

How does the personality of a successful leader influence the development of his children?

Successful leadership appears to depend on the personality of the leader. Judge et al. (2002) found the following correlations with the "big five" personality factors in a meta-analysis: ...
8
votes
1answer
3k views

Are there benefits to learning to write with your non-dominant hand?

There are some articles on the web that recommend learning to write with your non-dominant hand to get in touch with your inner child or a higher power, increase your creativity and be more ...
8
votes
3answers
4k views

What causes some people to unconsciously imitate the accents of others?

Background: I often notice that when I talk with someone with an accent that I often unconsciously start to imitate their accent. Similarly, you see some people that very quickly after moving to a ...
8
votes
1answer
112 views

How do the correlations between Big 5 personality change in studies examining “faking bad”?

I have conducted several studies that get participants to complete the IPIP personality test while role play going for a job. A common finding is that the average correlation (i.e., $\bar{r}$ between ...
8
votes
1answer
608 views

How to measure group differences incorporating reaction time / accuracy trade-off?

In a psychological experiment I am measuring subjects' reaction time as well as their error rate. Now I would like to compare two groups (males & females). There might be a bias in the sense that ...
8
votes
0answers
393 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 ...

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