# All Questions

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### Is there a pictograms repository under an open-commercial license?

I'm looking for pictograms repositories for non-verbal people. I found two types: ones that I need to pay like PECS or SPC, and others that are free but they have a no-commercial license like ...
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### Origin of group-level statistics in psychology and cognitive neuroscience

In experimental psychology and cognitive neuroscience today, with the exception of a few specific subdisciplines, the consensus seems to be that an experimental study has to be performed on a group of ...
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### Optimal number of dimensions in multidimensional scaling

I have run an experiment on consonance-dissonance evaluation of musical intervals on 40 individuals using all the possible intervals from 3 registers (plus their inversions), and I want to apply a ...
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### The relationship between narcissism and self-esteem

Given that personality disorders are rooted in abnormal experience and development. There has been much discussion about the aetiology of Narcissistic Personality Disorder. Having a concept of the ...
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### Was the anthropological “Negroid, Mongoloid, Caucasoid” distinction inspired by the Bible story of Noah's sons? [closed]

I'm sorry if this is off-topic, but I think the users of this SE site would be best equipped to answer it. It's a question about the historical development of an anthropological idea. If you are ...
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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 ...
102 views

### How does subjective experience arise from matter?

Forgive me for lacking rigor, but if what I know is correct, it is established that consciousness and other higher functions characteristic of humans are a consequence of our cortex, specifically ...
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### Tendency to see novelty in mundane and trivial statements

There exists a psychological phenomenon whereupon a person may encounter a rather trivial or mundane statement or thought, but would not recognize it as such; instead a person would experience a sense ...
88 views

### Is there a name for a scientist's resistance to disconfirmation of his or her theories?

Confirmation bias is the tendency to search for or interpret information in a way that confirms one's beliefs or hypotheses. And some results illustrate that people set higher standards of evidence ...
312 views

### Most common cognitive biases? [closed]

I'm an amateur student of cognitive biases and psychological traps and have been reading some of the work of Kahneman, Tversky, Gilovich et al. along with more popular books like Cialdini's ...
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### What kinds of math to learn for understanding dynamic systems in cognitive science? [closed]

A current trend in cognitive science is to view the mind as a dynamic system (e.g., Continuity of Mind by Spivey, in which cognition is understood as a "continuous and often recurrent trajectory ...
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### What is it called to think without language? Are there studies around it?

I think there are two types of thinking: With and without language. For my entire life, in my opinion I have always thought without language. Some ppl say its impossible and that we think with ...
185 views

### 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?
138 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 ...
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### Are sensations of turbulence after flights proprioceptive hallucinations?

I noticed on several occasions after long-haul flights (greater than eight hours) that I would still feel a sensation of turbulence or movement as if I were still in the aircraft. These would be ...
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### Frequency estimation in binary prediction task

In a binary prediction task, people often match choice probabilities to outcome probabilities (a phenomenon known as probability matching). However, under certain circumstances (eg, existence of a ...
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### Can microdialysis be made in Drosophila melanogaster?

Microdialysis is a common method to study the effects of drugs on specific mamal brains zones (mostly in rats), in order to study the it's interaction with the function of those specific areas that ...
51 views

### 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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### Reproducible meta-analysis in psychology

I am a big proponent of reproducible data analysis. In particular, I like when researchers share documents in formats like Sweave and knitr which weave statistical output (e.g., text, tables, and ...
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### Are there validated measures to perception of decision making process alignment?

I want to test an idea about how the perception of decision making process alignment with another party influences the tendency to accept information from that party. For example, if my wife and I ...
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### Are there first person accounts of monothematic delusions?

Monothematic delusions are delusions that concern a single topic (Davies et al. 2001). They are often the result of acquired brain damage and include the Delusional Misidentification Syndromes, such ...
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### Is there evidence that listening to music can aid/hinder concentration or performance?

I, like many computer programmers, love to listen to music while I work. I have always believed that music helps me stay focused and motivated, and improves my performance on many types of tasks, ...
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Background: I tried to do a self-control exercise that involved doing something boring like folding clothes while the exercise part involved repeatedly saying "focus" in my head, to stop daydreaming. ...
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### Is there psychological research on seduction?

I've been reading a lot of books about seduction. Most of them rely on (approximative) psychological basis and presents really interesting insights. Robert Greene - Art of seduction, for example ...
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### What causes post-masturbation guilt? [closed]

Is there a study regarding guilt complex associated with masturbation? I am interested to what it can be traced down to. I wonder what actually happens in the brain before, during, and after the ...
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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. ...
174 views

### Why do many people not use tabbed navigation (e.g. in an internet browser)?

I have noticed that many people do not use tabs even though tabs have been around in browsers for some time. I have been noticing that people either do not differentiate tabs as specific navigational ...
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### What functions does the brain perform to recognize a familiar object unconsciously?

Let's say a person's brain experiences how a vehicle/object looks for the very 1st time. It would require lot of attention/focus/processing to analyse the object, extract features and train its neural ...
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### Verifying this statement in a movie named Oculus

I just want to verify this statement if this is a fact. "When people can't process something horrible. The mind creates all kinds of protections to help them cope. Once that belief's taken root, ...
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### What is the effect of income on an adolescent's reward response to monetary vs. social reward?

I am asking a question related to adolescents and their response to either monetary or social reward. What is the effect of income levels on monetary vs. social reward? Do higher income children ...
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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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### 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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### 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 ...
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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%. ...
104 views

### 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 ...
134 views

### 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 ...
57 views

### 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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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 ...
33 views

### 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 ...
52 views

### 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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### 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 ...
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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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### 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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### 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 ...
71 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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### 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 ...