3
votes
3answers
149 views

What are the effects of implanting electrodes into the brains of monkeys?

If one implants electrodes into a monkey's brain in order to allow the monkey to control a mechanical arm, then is the monkeys able to move both it's natural and it's mechanical arms at once? What ...
10
votes
2answers
522 views

What do the super-large brains of whales and elephants map to?

Elephants and whales have brains that are much larger than those of humans. It is presumed that much of their brain is used up for their larger bodies (after all, there is a allometric scaling between ...
2
votes
0answers
202 views

Are end-stage Alzheimer's patients still conscious? [closed]

I asked the same question at Reddit here, but none of the responses were convincing. So here's the thing: to the extent of what we know about consciousness, are end-stage Alzheimer's patients still ...
12
votes
4answers
579 views

If someone becomes a split-brain patient, which side will “maintain” the continuity in their consciousness?

The brain injury might apparently produce two "independent" consciousnesses, and I'm wondering where the original person's "consciousness" would "transfer". We had a debate on this over at Reddit ...
8
votes
1answer
228 views

Is there a practical limit to the amount of knowledge a human can learn?

There's definitely progressive interference and retroactive interference, which are basically two ways that old memories and new memories can interfere with each other. But on the other hand, do ...
6
votes
1answer
197 views

What is a neurobiological explanation of borderline personality disorder?

In other words, how do the brains of those with BPD differ from those who don't have BPD? The Wikipedia article doesn't even contain any possible explanations whatsoever.
4
votes
1answer
728 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 ...
4
votes
2answers
411 views

Do people with ADD or Asperger's Syndrome often show different learning curves than neurotypical individuals?

There's some interesting discussion at this Wrong Planet thread Specifically, I was wondering whether people with ADD or Asperger's Syndrome are more likely to show a logistic pattern in their ...
-2
votes
1answer
284 views

Do people feel emotions less strongly as they grow older? [closed]

I'm specifically interested in whether or not their maximum ability to feel an emotion decreases as they grow older (so by that I'm meaning - let's ignore the effects of tolerance induced by life ...
3
votes
1answer
391 views

How does posture affect cerebral blood flow?

This is a follow-up question to an answer on Quora: In the upright posture, venous outflow is considerably less pulsatile (57%) and occurs predominantly through the vertebral plexus, while in ...
3
votes
1answer
355 views

What is the effect of ADD/ADHD on performance variability on cognitive tests over time?

I've read research reporting that lower IQ is correlated with higher variability in reaction time. But such research does not seem to disentangle the possible effect of ADD, in which case you might ...
19
votes
2answers
323 views

Have ideas of “gamification” been applied to education?

Wikipedia defines Gamification as "the use of game design techniques and mechanics to solve problems and engage audiences." Khan Academy has received attention (e.g., see this post) for incorporating ...
5
votes
2answers
105 views

Summary of meta-analytic correlations between self- and other-report measures

It is well known that the correlation between personality measures obtained from self-ratings and ratings by others are imperfect. There are many different traits that could be rated (e.g., ...
7
votes
1answer
1k views

Are IQ tests “biased” against individuals with Asperger's Syndrome?

One person makes the claim over at his response to the Quora question Do people with Asperger's have above-average IQs simply because the ones with below-average IQs simply get diagnosed with autism ...
8
votes
2answers
269 views

How is it possible for psychometricians to develop IQ tests for people smarter than them?

After all, while psychometricians definitely have above-average IQs, they probably don't have IQs over, say, 160. If psychometricians already know what the right answers are (and how to obtain the ...
12
votes
11answers
447 views

Any work being done on Perception, Action, and/or Cognition in Video games?

Call it a nerd crossover, but I've always been curious about how we play games on a mechanistic level. However, even coming from a rational viewpoint video games seem like a fruitful domain of study, ...
4
votes
3answers
120 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 ...
9
votes
1answer
238 views

Are there any modern mechanistic theories of motivation?

I remember hearing about the old 'drive' theory of motivation in Psych 101, and despite continuing my cognitive science education for another 4 years, that's the last theory of motivation I've heard ...
9
votes
1answer
213 views

Are there any connectionist models that integrate reinforcement and fully supervised learning?

I've been working on modeling some phenomena involving real-time control in an environment with inherent rewards (specifically, playing a 'pong'-like game), and it's increasingly looking like ...
28
votes
6answers
678 views

Online data repository of research in the cognitive sciences

Sharing data is an important part of science (e.g., see APA discussion). It's also often useful to be able to have access to datasets when teaching students how to analyse data in the cognitive ...
9
votes
2answers
1k 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 ...
20
votes
2answers
460 views

Performance of a group solving a cognitive task: How does it scale?

Some intellectual, cognitive and perceptual tasks can be solved collaboratively. It is common knowledge that group performance is better than that of each single individual due to exchange of ...
5
votes
1answer
326 views

What hidden latent variables could be responsible for the high correlation between WORDSUM and IQ?

WORDSUM is a measure of vocabulary ( see sample items here) where the test taker has to select which of a set of words has the most similar meaning to a target word. There's been some discussion of ...
2
votes
1answer
338 views

Beyond a certain level, is reading comprehension affected more by psychological intuition than by verbal intelligence?

Certainly, you have reading comprehension passages on the SAT, GRE, and LSAT. But beyond that point, is it really possible to measure reading comprehension through multiple-choice tests? There are ...
22
votes
5answers
1k views

Why do higher incentives lead to lower performance for non-rudimentary tasks?

I have watched a number of times this excellent video where Dan Pink discusses the science of motivation. The video states that the higher incentives, the lower performance for non-rudimentary (not ...
9
votes
4answers
448 views

How is motivation influenced by chance of reward?

Sometimes, I work on a project where there is a chance that the whole project will become irrelevant before it is finished. I have noticed that even though I believe that the risk of this happening is ...
90
votes
6answers
4k views

How is it that taking a break from a problem sometimes allows you to figure out the answer?

As a computer programmer, I have noticed an interesting phenomenon: If I am stuck on a particular problem in my work, often if I stop thinking about the problem and do something else, the answer will ...
12
votes
2answers
826 views

Game-theory strategies to overcome holdout problem?

The hold-out problem often occurs in debt-restructuring or in urban development. The hold-out problem is defined where an agent, for example a land developer, must negotiate with many lot owners and ...
9
votes
4answers
37 views

What are the key algorithms for learning optimal behavior of economic agents?

I'm playing around with social learning of near-optimal behavioral rules on a set of agents. The idea is roughly that given an income process (or technology process, depending on the question) an ...
10
votes
3answers
86 views

Do safety features cause drivers to engage in more risky behavior than they otherwise would?

It seems to be generally assumed that making cars safer for the occupants will reduce death, injury, and damage from traffic accidents. What are some examples of significant empirical research on ...
4
votes
4answers
103 views

What is a good book for studying incentives?

I am looking for a book, which gives a broad overview of all the main theories regarding incentives. Using this book, I would like to further my understanding of things like: Why slot machines ...
25
votes
2answers
399 views

Do students exhibit rational behavior in determining study time?

While I teach some economics classes, I must admit to near complete ignorance on the optimization processes students undertake when studying. We often say that the "best" students are those who earn ...
8
votes
3answers
47 views

How can you limit excessive risk-taking at the institutional level?

Some firms have a compensation structure that encourages risk-taking while insulating employees from the bad consequences of their decisions. This creates the potential for moral hazard. I started ...
21
votes
3answers
265 views

Why does the human visual system produce a bright patch after staring at a bright light source and looking away?

If a person looks at a bright light source, such as a light bulb or perhaps the sun for a period of time, and then looks away and closes their eyes, they typically see a bright patch in the shape of ...
19
votes
2answers
745 views

Are autonomy, mastery, and purpose the most important motivators?

I've watched the amazing TED talk where Daniel Pink lays out the contrarian notion that greater extrinsic motivators are unimportant (and sometimes detrimental) in comparison to three intrinsic ...
5
votes
1answer
107 views

Inferring relationships between psychological variables in clinical samples and issues in generalisation

Context I sometimes speak to researchers studying the relationship between variables in clinical psychology samples. A typical example is as follows: 100 patients with diagnosed depression many ...

15 30 50 per page