# All Questions

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### Reduction of the hippocampus due to childhood neglect/abuse

A Scientific American article, "Childhood Stress Decreases Size of Brain Regions", by Christie Nicholson briefly mentions the implications of childhood neglect and abuse on brain structures. I was ...
277 views

### Is it normal for men in long term relationships to want to have sexual relationships with other women?

If a man who is married or in a long term relationship wants to have sexual relationships with other women, is this pathological, deviant, maybe even a disorder? Or is it part of normal and healthy ...
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### Why can't we use 100% of the brain in a certain moment?

I mean, I know it's a myth that we only use a 10% of the brain, the point is that we do not use more than a 10% in any moment, but by using different zones of it for various tasks we may use the 100%. ...
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### How can I remember my dreams?

Often times, I wake up with an amazing, yet fleeting glimpse of a dream I had. I would like to recollect those events I had in my dream, and try to adopt ways to better remember those dreams. There ...
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### Spiking Neural Network Simulation: Measuring and Classifying Bump Attractor States

I am currently working with Spiking Neural Networks and multi-(meta)-stable attractor states. What I observe in my simulations are 'bump' attractors that appear, disappear, and may wander around. ...
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### How actively does your brain physically prune connections?

Is pruning defined as neural apoptosis or are connections (neural synapses) simply separated? At what rate, if known, does this occur in individuals (ages 18+)?
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### How to web scrape images of famous individuals to build mnemonic dominic system?

I know the following question may not fall into the Cognitive Sciences community, but perhaps you have went through this situation, and could have an answer. I am building my system of 100 names ...
130 views

### Is there a limit to how many skills a person can master?

Given that the different parts of our brain are constantly competing for brain real estate and learning requires brain real estate, is it the case that we can only master x amount of skills due to the ...
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### How much additional sleep is required to recover from a given number of hours of sleep deprivation? [duplicate]

A previous question dealt with whether it is possible to catch up on lost sleep. This question is a little different. Assume that a healthy adult has been deprived of sleep for "x" hours. How much ...
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### Can repetitive sports related head injuries make a person senile many years later?

Would repetitive football injuries to the cranium show up decades later causing symptoms resembling mild retardation, ocd, etc? What is the best way to determine this in terms of imaging, testing,etc? ...
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### What's the neurological basis for “practice makes perfect”?

I was reading Marvin Minsky's The Society of Mind: This (practice makes perfect) is really is quite curious. You might expect, instead, that the more you learned, the slower you would get-from ...
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### What is the relation between general and linear prediction in espicifice and Evoked Potentials signal behaviour?

Prony's Method based on Linear Predictione , which is used to model an Evoked Potentials signal , my question is what is the relation between prediction in general , and linear prediction in ...
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### What was the quantified brain volume of Albert Einstein?

I have read articles stating that Albert Einstein had an average brain volume but couldn't find a specific measurement. I'm curious because the articles are all so ambiguous. He could have been on the ...
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### Difference Between Schema and Mental Model

What are the differences between a schema and a mental model? Do they overlap, or is the mental model a subtype of the schema?
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### Bibliographic references about the task of connecting information

I am a researcher in computer science, and I am looking for some literature in the field of psychology related to the task of connecting information; something like a study or a theory relevant to ...
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### Can Fetal Alcohol Syndrome children suceed in the Social Sciences? Or should they stick to trade school [on hold]

Given that nearly all of the social sciences involve Abstract reasoning, ideas, and other reasoning abilities that FASD suffers often lack, is it even possible for these people to grasp theoretical ...
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### What kinds of information can (and cannot) be extracted from connectome?

Several scientific projects are trying to map the connectome, such as The Human Connectome Project. The connectomes of other organisms, such as C. elegans, have been mapped already. Having an ...
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### Are there useful applications for three channel consumer EEG?

I stumbled upon the consumer EEG Melon (at Kickstarter). It has three electrodes and is advertised as measuring how "focused" you are. In the FAQ it says: The Melon headband has three electrodes. ...
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### Books/guides to improve conversation skills [on hold]

I would like to improve my conversation skills. Thanks, Bernardo
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### Does a loser prefer the winner to subsequently lose or win?

Most major league sports have some form of tournament bracket where there are several rounds of elimination before a winner is determined. In most of them, the winning team is undefeated over the ...
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### Can reading [self-help] books aid in therapeutic treatment of the Narcyssistic rationalization pattern?

I've dealt with a few people having a narcissistic personality trait / disorder. For me it's interesting to see the defense pattern they adopt through rationalization to defend their self-image and ...
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### Why does it take a lot of time and energy to seduce a girl? [closed]

Do girls dont like sex? Or they dont come to that subject unless you go on trying seducing for a long time? I mean like comparing to Men, suppose a girl wanted to ...
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### Difference between real time and old information processing in the brain

Can we differentiate between the following two processes? Brain receives information via senses, such as eye, ear, nose, skin and tongue. That is, vision, hearing, smell, touch and taste. Brain ...
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### When should a percentage be written as a percentage and when should it be written x out of n?

People perceive numbers, percentages and values in different ways depending on what it is and how it is presented. I'm looking for research on when to communicate with an actual percentage and when ...
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### How is an emotion different from a thought or a sensation?

I don't know any good definition of emotion. I don't know what they really are, subjectively. I don't understand what makes an experience an emotion, as opposed to a thought or a sensation. What is ...
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### Could markers on cars indicating a common destination improve highway driving efficiency?

This question is a bit of a long shot for this site but it is psychology-related so I thought I'd give it a try. This is a little thought exercise. I was driving down the expressway toward downtown ...
28 views

### Why is it easier to fall asleep in the dark?

I'm curious if there is any neurological mechanism that explains why falling asleep is easier in the dark. I recognize that this isn't true universally -- a phobia of darkness might make it easier to ...
217 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 ...
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### What is the difference between you and your self, if any? [closed]

I have wondered what is the difference between a human and their self. Note, I said "their self", not "theirself". I want to know if there is any difference.
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### Is there some hierarchy of the human senses?

What I mean by this is to ask if each of the sensory inputs can be quantified by the amount of information the brain is receiving: For example, Brain says: currently receiving 10 packets of visual ...
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### Structure for General Intelligence

I've just read Dan Rasmussen's paper on general intelligence and I was wondering what other approaches for complex, scalable and adaptable learning have been tried in the past? This question's scope ...
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### Are mnemonics by creating associations good for memory?

I read a book which says that to remember the lists of arbitrary objects, we should take a well-known ordered list (so that you know what is on the first place, what is on the second) and associate ...
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### Do beavers make dams purely by instinct?

Do beavers use cognitive moves, learning, memory or skill acquisition in their life to build better? Or do they simply repeat instinctive gestures and end up with stereotyped architecture always?
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### Where is knowledge of how the brain works stored?

If we are our brains, and our brains know how they work, this means that this information is stored somewhere in the brain, like the inferior temporal cortex is the part of the brain that recognizes ...
328 views

### How are autistic savants able to perform certain mathematical computations so quickly?

How do autistic savants (or other people with these abilities) compute equations like $81^{100}$ in 2.5 minutes? Which algorithms do they use? Is it an efficient one, or do they just have a lot of ...
59 views

### Are desires influenced by beliefs?

I refer it especially to what men and women look for in the partner. Of course, this is a generalized speech. There is a correlation between the model of beauty proposed to men and what men sees as ...
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### What is the most common form of delusional misidentification?

The delusional misidentification syndrome (DMS) is a condition in which a patient consistently misidentifies persons, places, objects, or events. Broome (2004) affirms that: The most common form ...
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### How common are visual hallucinations in Schizophrenics?

The typical "Hollywood" representation of Schizophrenia involves vivid visual hallucinations. However, in practice, the dozen or so people with a diagnosis of Schizophrenia I have worked with have ...
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### What are the most efficient methods or practices to study and score better in exams? [closed]

I have learnt that spacing ,repetition, taking breaks do help.What more cognitive science research have to help students learn better?
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### How many synapses in the average human brain?

Knowing there are 100,000,000,000 neurons in an average human brain, and 7,000 dendrites in each neuron, and neurons are connected to each other by dendrites and axon terminals, how many synapses are ...
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### What's the explanation of this optical illusion where many coloured arcs radiate from a central point?

I saw the image below on facebook. At first, I thought it's a GIF animation since it doesn't appear static but it turned out to be a static JPEG image and the apparent motion is caused by the brain. ...
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### Does co-ordination prevent people from arm-wrestling between their left and right arms? [on hold]

Suppose I want to know which of my arms is stronger without using any external object. I set up an arm wrestling challenge between the two arms. It is well known that The right side of the brain ...
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### Is there an experiment where participant tries to move object with brain-machine interface and object is moved by someone else?

Psychological experiment where subjects are first taught to move a object just by thinking about moving it (subject's brains are being read with a machine that moves the object). Then the object is ...
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### What is a good rough rule of thumb regarding required sample size for questionnaire studies?

I need to perform a questionnaire as part of my final project. What are the quick-and-dirty rules for knowing how many respondents I need to get meaningful results?
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### Personality disorder beginnings in parental narcissism and eating disorders

During childhood, are parental narcissism coupled with a pre-teen eating disorder good indicators of adult personality disorders, such as classic or covert narcissism? If an eating disorder occurs at ...
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### Can brain hemisphere activity/ dominance be inferred from the test subject's drawings?

I'm aware that all tasks that a person undertakes involve both halves of the brain. At the same time, there are studies of people who have communication between brain halves severed or suppressed and ...
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### Can a self-paced-reading & grammaticality judgment task be programmed in PsychPy or Open Sesame?

I want to know if it is possible to design an experiment on PsychoPy or Open Sesame in which the subject does a self-paced reading (with measuring the reading times for each word), and then after ...
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### Does associating a color with numbers improve math learning?

I have heard a number of reports that some mathematical savants associate particular colors with numbers. It got me wondering, if colors are associated with numbers during mathematical teaching, ...