11
votes
2answers
193 views

To what extent do individuals vary in their ability to mentally visualise?

Background: Yesterday I was shocked when a friend of mine told me that he can see only "completely black darkness" when he closes he eyes. When I close my eyes, I can see some images or "movies" of ...
11
votes
1answer
810 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 ...
10
votes
1answer
827 views

What is the effect of imagining doing an exercise on muscle growth?

I recently read a study by Yue, G et al. (1992) which I found incredibly interesting. I have no background in physiology and I was hoping that someone who does can clear things up. If I understood it ...
10
votes
0answers
1k 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 ...
10
votes
2answers
2k views

Public domain scientific intelligence test available for use in research

The IPIP is an example of a public domain scientific personality inventory that can be used for research. Are there any good public domain scientific measures of intelligence? Requirements Do ...
17
votes
1answer
2k views

Do people wake up faster with inconsistent alarm sounds?

Many people have one alarm clock sound that wakes them up every morning. Is having this consistent sound the optimal way to wake someone up? Or can you startle someone faster by changing to a ...
16
votes
2answers
3k 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 ...
15
votes
3answers
541 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 ...
15
votes
1answer
382 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 ...
11
votes
4answers
496 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 ...
8
votes
3answers
3k 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 ...
6
votes
1answer
1k views

What makes some things more fun than others universally?

Recently I have been presented with the question, "What makes something addictive, and why are some activities more addicting than others?" This question intrigues me, as logically, the answer would ...
23
votes
3answers
4k views

How is intelligence correlated to beauty?

Recently, I read several interesting questions on the web about the relationship between IQ and general intelligence and physiological symmetry. But more importantly, what explains the correlation? Or ...
20
votes
5answers
687 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 ...
17
votes
3answers
2k 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 ...
14
votes
3answers
732 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 ...
14
votes
2answers
793 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 ...
14
votes
0answers
306 views

Does dream recall interfere with “reverse learning”? (Crick and Mitchison's theory of REM sleep)

I've recently became aware of the idea of "reverse learning" that might happen during REM sleep - the brain's attempt to eliminate pathological attractors that might appear in neural networks. The ...
14
votes
1answer
1k 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 ...
13
votes
1answer
402 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
2answers
254 views

Have the core CBT “Thinking Errors” been found to NOT be effective in evidence-based clinical practice?

This is his chart of the ten "thinking errors." It's taken from The Feeling Good Handbook. Table 3–1. Definitions of Cognitive Distortions ALL-OR-NOTHING THINKING: You see things in black-and-white ...
11
votes
3answers
265 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 ...
11
votes
2answers
2k views

How long does it take to refocus after context switching?

Context switching has been highlighted for the toll it takes on productivity at great length, particularly by people who work in software and project management. Are there any psychology/...
10
votes
2answers
6k 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 ...
8
votes
2answers
243 views

Do 10.000 hours of practice make you an expert?

With his book "Outliers" Malcolm Gladwell has widely popularized the idea that the requirement to become an expert in any field is largely to invest at least 10.000 hours of deliberate practice. ...
8
votes
3answers
197 views

Abstract idealized mental visualization improves motor task performance

I practice martial arts (Aikido), which involves a lot of rotation. When practicing, I find that holding an abstract image in my head, instead of thinking about the actual technique, improves my ...
8
votes
1answer
6k views

Why do some days feel fast and others feel slow?

As per the title, why is it some days it just feels like a day can go so fast, yet other days can feel slow? Every day has the same amount of hours, minutes and seconds after all. What is the actual ...
6
votes
2answers
459 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 ...
6
votes
1answer
729 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 ...
5
votes
1answer
493 views

What are the effects of social rejection on the brain?

What are the effects of social rejection on the brain? If the external circumstance can not change, how can the impact on the brain be reduced? What is the average sensitivity to social rejection ...
2
votes
2answers
359 views

What books should I study to have a decent understanding of psychology?

Background: I am a student currently doing my undergraduate degree (Electrical and Electronics, if it interests anyone). I am very much interested in studying psychology. I have read quite a bit on ...
1
vote
1answer
346 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 ...
1
vote
8answers
5k 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 ...
13
votes
1answer
2k views

Modern treatments of Alan Turing's B-type neural networks

In the cognitive sciences Alan Turing is best known for launching AI with his Computing machinery and intelligence (1950). However, this was not his first contribution to the cognitive sciences, in ...
13
votes
2answers
341 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 ...
13
votes
2answers
542 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 ...
12
votes
3answers
1k 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 ...
11
votes
1answer
198 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 ...
11
votes
2answers
275 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 ...
11
votes
1answer
251 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 ...
10
votes
3answers
876 views

Neurotransmitter based imaging techniques

All the brain imaging techniques I know fall into two categories: Tracking blood Either by looking at the magnetic (fMRI), or near-infared absorption (diffuse optical imaging, NIRS) properties of ...
10
votes
1answer
330 views

Has there been any serious research on subliminal messaging?

I certainly don't question the existence of subliminal perception which has been demonstrated many times in priming studies like those of Daniel Schacter and many others, nor do I reject the notion of ...
10
votes
3answers
32k views

Can sleep become addictive?

Can a person become dependent on sleeping (more than they otherwise physically need) in a way that fits the definition of addiction, in the same way some psychology professionals may describe a person ...
10
votes
2answers
173 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
1answer
139 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 ...
9
votes
1answer
386 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 ...
8
votes
0answers
324 views

What are the “Must Know” papers of Cognitive Science? [closed]

What are the works/papers/results/theories any expert in cognitive science should know, even if they're outside his/her specific field of expertise? One paper/theory per answer please, and state why ...
8
votes
2answers
339 views

How do SSRIs work?

I've found a reasonable explanation on Wikipedia... SSRIs are believed to increase the extracellular level of the neurotransmitter serotonin by inhibiting its reuptake into the presynaptic cell, ...
8
votes
2answers
110 views

Does not consistently providing a reward strengthen operant conditioning?

When learning about Operant Conditioning, I remember being taught that not consistently rewarding the desired behavior could (seemingly counterintuitively) actually increase the strength of learning ...
7
votes
1answer
176 views

Is there a relation between speed of executing a task and ones intelligence?

I recently came across a code refactoring problem. Considering the risk of getting into a risky bug later I switched to my usual mode of think and solve it, rather than go and make the changes fast. ...

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