21
votes
2answers
629 views

What is an effective metric of complexity for an Artificial Neural Network?

After asking the question What is the most complex neural network... I realized I don't really have a good metric of "complexity" in a general sense. The simplest measure would likely be count of ...
16
votes
2answers
813 views

What are popular rationalist responses to Tversky & Shafir?

In the early 90s Tversky & Shafir observed several violations of rationality in human participants, in particular violation of the disjunction effect and sure-thing principle. This has lead to ...
9
votes
1answer
480 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 ...
15
votes
4answers
823 views

Why are people inclined to praise or fear the unknown?

Human beings are inclined to "praise" the unknown, and are often afraid of the unknown. This inclination has led to the creation of mythology and many gods. To this date we are still carrying this ...
11
votes
2answers
658 views

What can we learn from the neural networks of C.elegans to understand human brains?

Recently I am reading some works about Caenorhabditis Elegans. A C.elegans has 302 neurons and we already know the function and connection of every one of their neurons so that we can exactly ...
37
votes
1answer
5k views

Is leg jiggling a focus aid?

This is slightly left-field, but I am interested in the Cognitive Science implications of this question: Many people, myself included, are "leg jigglers", meaning we often sit jiggling or bouncing a ...
2
votes
2answers
324 views

How effective is the NLP Reverse Movie Technique in dealing with traumatic experiences?

The Reverse Movie Technique (also konwn as The NLP Fast Phobia/Trauma Cure) is named as such because it involves playing a traumatic event backwards through your head. Is the technique effective at ...
4
votes
3answers
168 views

How much information is lost when conveying an experience or emotion to another person?

Certain languages have words that do not literally translate into any another language. There is already a small loss of information in this sense. Emotions are a personal experience and the ...
35
votes
1answer
2k views

By learning to read and write upside down, what did I do to myself?

If you've ever read Encyclopedia Brown books, you'll be familiar with the backwards writing in the back of the book that explains the solution to the case. When I was in my mid-late teens (I don't ...
18
votes
2answers
682 views

Does language and/or culture affect an individual's cognitive capacity?

Some languages have multiple expressions to identify, address, comprehend, and interpret a single concept and/or experience. Are limits placed on understanding and describing aspects of cognition due ...
3
votes
1answer
822 views

How does raw IQ change over the lifespan at the group-level?

In the classic review of intelligence research (Intelligence: Knowns and Unknowns), Neisser et al (1996) write the following Stability. Intelligence test scores are fairly stable during ...
12
votes
1answer
299 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 ...
9
votes
1answer
226 views

How does task difficulty schedule affect the rate and efficiency of perceptual learning?

In perceptual learning (line length/orientation discrimination, visual target detection, tone frequency discrimination, etc), when training people or animals to perform a task better, is there an ...
2
votes
1answer
215 views

Are there axioms in the mind? [closed]

While studying artificial neural networks, I stumbled upon the following question: Are there any hard-wired axioms in the brain that must exist equally in every conscious mind? I could imagine that, ...
4
votes
0answers
156 views

Plot a schematic outline of the brain

I know that I can read, write and analyse different type of brain scanning data using various Medical Imaging Tools available for R. But I am looking for something very simple - a possibility to just ...
6
votes
1answer
590 views

What are the main causes of whether a person becomes introverted or extraverted?

Genetics is obviously an important cause of whether someone becomes extraverted or introverted. But what percentage is genetics and what percentage is the environment? What factors in the environment ...
7
votes
0answers
477 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 ...
12
votes
1answer
240 views

Computational models of early learning in children

What are currently used biologically plausible computational models/frameworks of early learning in children? Personally, I have used cascade correlation neural nets to model pronoun acquisition ...
22
votes
2answers
1k views

Neural networks with biologically plausible accounts of neurogenesis

One of the reasons artificial neural net algorithms like cascade correlation (pdf) have been generating interest is because they start with a minimal topology (just input and output unit) and recruit ...
9
votes
1answer
384 views

How do animals recognize other animals of their own species?

My motivation for this question is dog-based, but I suppose it would apply equally well to humans. How do animals recognize their own kind, particularly where there is large variation in appearance? ...
5
votes
2answers
190 views

Effectiveness of recalling information in the same location it was learned

In an interview with Robert A. Bjork this article claims that it is easier to recall information where it occurred: Similarly, studying in only one location is great as long as you’ll only be ...
4
votes
1answer
316 views

How much more efficient is interleaving skills when learning?

In an interview with Robert A. Bjork this article suggests interleaving skills is better than focusing exclusively on one skill at a time. How much of a difference does the research indicate that it ...
20
votes
5answers
583 views

Does learning one discipline improve performance in another discipline?

I have come across a lot of articles that suggest learning across disciplines would improve cognitive abilities. This is more often referred to as Integrative Learning. Also, nowadayas a lot of ...
3
votes
1answer
223 views

Has the neuro-linguistic programming visual model been scientifically tested?

According to the NLP visual model, fast flickers of the eyes in left/right and the 4 diagonal directions map to simple cues related to how a person is thinking. Thease are "visual constructed", ...
9
votes
2answers
255 views

What are different ways to determine centroids of fMRI activation, their drawbacks and perks?

I'm reading an older article on bilingualism (Kim, Relkin, Lee, & Hirsch, 1997) for a seminar. They were interested in the spatial separation of two languages in early and late bilinguals. They ...
16
votes
2answers
5k views

Free online intelligence test with norm table, high reliability, and must be printable?

I am looking for a general intelligence test which meets the following requirements: available online for free there is a table which translates "points" to IQ (I don't want a hidden online ...
12
votes
1answer
606 views

What are the benefits of dyslexia?

Reading the Wikipedia article on Dyslexia, it sounds very negative. The article defines Dyslexia as a learning disability, which I understand it is classified as. However, knowing individuals with ...
18
votes
2answers
1k views

Is there a term for individuals who can “visualize” numbers and advanced mathematics?

I recently saw an episode of 60 Minutes about Jacob Barnett, a 13 year old boy who is currently attending advanced physics classes at a local university and was portrayed by the show as being a child ...
9
votes
1answer
276 views

Cognitive explanation of why beta blockers are effective for anxiety

Beta blockers essentially reduce physical effects of anxiety and panic disorder, but there is no proof that there is a direct effect on anxiety. Some scientists believe there is an indirect effect. ...
6
votes
2answers
131 views

Studies modelling learning curves of an overall task and subtasks

Background Lee and Anderson (2001) published an article in which they argued that learning a complex skill can be understood in terms of learning various component skills. They did this by ...
8
votes
1answer
333 views

What are the current suggested models for Primacy Effect in memory recall or personality impression?

What are the current suggested normative, mechanistic or phenomenological models for explaining primacy effect as was observed by Solomon Asch (1946) on personality impression, list-of-words memory ...
10
votes
1answer
89 views

Has an upper-limit on the physical spacing represented by grid cells in Entorhinal cortex been probed?

There is considerable research reporting activity of unit recordings from grid cells in the Entorhinal cortex (e.g. [1]) - typically of rats running around in enclosed spaces. Is there any ...
27
votes
4answers
5k views

Does evidence support Maslow's Hierarchy of Needs?

Maslow's Heirarchy of Needs (shown below) is a popular concept and is often taught in basic psychology courses, and often less objectively taught in Business and Marketing courses. A common problem ...
10
votes
1answer
168 views

What is the effect of Social Proof on Conversion Rate?

I'm wondering to what extent Social Proof helps the Conversion Rate of websites and marketing. Specifically I'm wondering what effect Social Proof would have on Conversion Rate for a sample task in ...
4
votes
0answers
271 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
568 views

What term describes people that cannot feel pain?

I remember a case study about a girl who could not feel pain due to lacking certain somatosensory receptors; she went on to burn herself on a radiator because she could not feel her flesh burning and ...
8
votes
1answer
95 views

What research gives insight into the terms “low status” and “high status”?

Folk explanations of human behaviour often refer to "high status" or "low status", and the phrase sometimes pops up in more formal contexts (e.g. this question). However, one of the most cited ...
4
votes
3answers
2k views

What is the definition of sanity? How can I prove someone either sane or insane?

In my experience the definition of insanity is thus: Insanity: The state of being seriously mentally ill, mad, and/or irrational. Is there a proper scientific definition of this term? While ...
6
votes
2answers
300 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
2answers
371 views

What is the difference between solving a problem and acquiring a skill?

Within the confines of cognitive psychology, what is the difference between these two tasks? In the literature, playing chess is generally seen as the exemplar of problem solving. But recently (thanks ...
10
votes
2answers
1k views

Motivation vs Goal Oriented Behavior

What's the difference between these two terms when used in the context of cognitive psychology? To the best of my knowledge, research on 'Goal Oriented Behavior' refers to the subset of motivation ...
18
votes
4answers
780 views

Perception of time as a function of age

For many people time seems to run faster as they get older. That is, for an old person an hour, a day or a year seems to be shorter than for a young person. Is there any hard data for such ...
18
votes
3answers
2k views

Why do you sometimes write down one word while actually intending to write another?

I've caught myself writing (typing) "possible" instead of "possibly" a few times over the past few days, while I do intend to write "possibly". Only upon rereading the sentence I notice my mistake. ...
3
votes
2answers
542 views

How to measure emotional intensity?

This is a follow-up question to: Do people feel emotions less strongly as they grow older? Basically - I'm wondering - has anyone ever made an empirical measurement of how strongly someone felt ...
9
votes
1answer
172 views

What type of learning mechanism produces a consistent typo?

There is a typographical error that I make and do so every time I try to type a certain word. Whenever I try to type remember, I type remeber. I do this every time. This is different to a regular typo ...
13
votes
4answers
488 views

Do people have a tendency to stick to one opinion after they formed it?

Scytale's assessment, from the science fiction novel "Dune Messiah" (1969) When a creature has developed into one thing, he will choose death rather than change into his opposite. While ...
30
votes
1answer
1k views

Does caffeine improve performance for habituated consumers?

I've seen a fair few studies over the while that suggest caffeine increases arousal in the short term and that for some tasks, this will also increase performance (there's a few citations here). ...
11
votes
5answers
3k views

Open source software for running Internet psychological experiments that collect reaction time data

I've often used Inquisit to run psychological experiments online. The software enables delivery of stimuli (e.g., text, images, etc.) and collection of reaction times. Obviously general purpose ...
9
votes
1answer
149 views

How does evolution help in Minsky's theory of a resourceful mind?

I've read Minsky's book The Emotion Machine, where he explains how the mind can be seen as a set of resources interacting and self-interacting based on several levels of change. The explanation is in ...
11
votes
1answer
245 views

Is Behaviorism incompatible with Cognitive Psychology?

Both disciplines have historically been at each other's throats, and Radical Behaviorists like B.F. Skinner often completely reject cognitive psychology at a philosophical level. It seems that today ...

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