4
votes
1answer
73 views

Why do people bite their nails even when they do not want to?

Why do people bite their nails? People seem to be doing it primarily while contemplating something, or during problem-solving tasks. They seem to understand it is a bad habit, and sometimes they seem ...
4
votes
1answer
104 views

What is “Attention” in terms of brain activity?

A rather basic question, but I don't know the answer to that - What is human "attention" that can be focused on different parts of the body or outside objects? For example, I can focus my attention ...
4
votes
1answer
61 views

fMRI images: In-plane resolution, slice thickness

I have a set of fMRI images (.nii.gz). Now I want to infer the in-plane resolution and the slice thickness. Can this information and perhaps additional information be retrieved with FSL or Matlab? And ...
4
votes
1answer
116 views

How common are aromantics?

(Aromantic means lacking romantic attraction to others.) What percent of people are aromantic? While the percentage of people who are asexual seems to be 1%, I couldn't find anything on what percent ...
4
votes
1answer
81 views

Connections between different theories of personality

There are a several theories on personality: the Big Five personality traits, Watson en Clark's extraversion en neuroticism, Grey's Behavioural Inhibition & Behavioural Activation (BIS/BAS), ...
4
votes
1answer
698 views

Survey Questionnaire design - What are the alternatives to Likert scale in measuring attitudes?

I work in Social Science Research (Management) In my school, Likert Scale is extensively used to measure attitudes.(Strongly disagree to Strongly agree). So, I kind of assumed that it's an absolute ...
4
votes
1answer
108 views

Does the brain need more sleep after heavy load?

Does the brain require more sleep in the following night, if you have used a lot more of its capacity that day than usually?
4
votes
1answer
79 views

What to call theory where next activity following a fun activity is also perceived as fun?

What is the name of the theory that states: "if someone is having fun beforehand, the next activity they do will also seem fun regardless of what the activity is." so like continuing fun... Any ...
4
votes
2answers
107 views

This is the 2,000th question posted. Why do people care about big round number events more than the surrounding events?

People seem to have a preference for celebrating "big round numbers", like the 2,000 post in the forum (although the 10,000 post would probably be more "special" - but not the 10,234 post, so it's not ...
4
votes
1answer
34 views

How does the timing work out for dopamine to affect the development of long-term potentiation?

I just recently learned (indirectly from this source) that long-term potentiation/depression only takes place when you have large/small amounts of dopamine present at the relevant synapse. However, my ...
4
votes
1answer
97 views

How does an understanding of the brain explain why people experience strong emotional responses to major sporting events?

Anyone know studies or theories that explain how massive competition events between countries or parties, like the Soccer World Cup Tournament finals or Olympic Games affect our brains? Why do people ...
4
votes
1answer
67 views

When does anchoring improve our judgement?

Anchoring is the behavioral pattern where the first piece of information we receive about a situation is what all other data points are compared to. For example, the price of the first menu item we ...
4
votes
1answer
112 views

Name for the need to reply “you can’t fire me, I quit”

It’s a cliché in movies. The boss fires the employee, and they reply “you can’t fire me, because I quit”. Similarly, when in a romantic relationship, one person may decide to end it and the other ...
4
votes
1answer
99 views

What human limitations are there to object tracking and recognition?

I'm thinking about trying to implement object recognition/tracking using a silicon retina (also known as the Dynamic Vision Sensor) and using the Semantic Pointer Architecture as my cognitive model. ...
4
votes
1answer
2k views

Two different values for criterion in signal detection theory?

I'm a signal detection theory newbie. I have data with a classical SDT design: the participants can answer YES or NO to a question where the correct answer is YES or NO, depending on the presence or ...
4
votes
1answer
57 views

Efficiency drop when joining and splitting teams

What will happen when a team is either split or joined with another team? After reading about Tuckman's stages of group development, I understand that the new team will probably start at the beginning ...
4
votes
1answer
51 views

Why past events reappear in dreams after a certain delay?

I know that Freud in his "Interpretation of dreams" provides a number of examples of events influencing dreams several days to several months after the event has occurred. For example, a person sees a ...
4
votes
1answer
151 views

Why do we stress over the smallest things?

I'm just curious to know: why do people stress over the smallest of issues? Not only is it common to almost everyone I know, but it is something that can drive people crazy. For example, getting ...
4
votes
1answer
140 views

Book about Asperger's for Asperger's

Is there a book that people with Asperger's can read to better understand their diagnosis and how to cooperate with people?
4
votes
1answer
133 views

What makes some criminals glamorous to others?

Some murderers are glamorized by society while others labeled monsters. In both cases, they can commit the same terrible crimes and cause the same amounts of pain - yet one can be romanticized the ...
4
votes
1answer
236 views

“Memory and the Computational Brain” by Gallistel & King

I am looking for opinions on this book particularly whether it is a suitable intro to the field of cognitive neuroscience. What I would not like is a book that is really a collage of introductory ...
4
votes
1answer
57 views

When rating, is it better to set the expected goal in the middle with hard to reach upper bounds or higher with desired outcomes at the upper bounds?

The actual implementation that I'm interested in is a set of five scores from 1-5 (whole numbers) that are averaged together to compute an overall score (decimal values). However, I prefer to look at ...
4
votes
1answer
572 views

How do you run a risk / gambling experiment using Qualtrics or Amazon Turk?

I want to run a simple probability matching gambling experiment: Each round has the participant pick Up or Down. The computer picks Up with a probability (p=0.7). If the participant gets it correct, ...
4
votes
1answer
125 views

Does the person's walking say anything about the person's cognition?

This afternoon I've been observing people at a local park and came up with some observations that lead me to this question: Can the person's gait (manner of walking) say something about the person's ...
4
votes
0answers
52 views

Does increased motor development always occur at the expense of speech development, or vice versa?

It is often said that infants / toddlers* develop in a focused manner. I am specifically interested in the notion that a quick development of speech occurs at the expense of motor skill development ...
4
votes
0answers
31 views

Is there any study about the impact on the continuous use of predictive keyboard by neurologically and psychologically health individuals?

As there is evidence of massive-scale emotional contagion through social networks, I'd like to know if any study has been made regarding predictive keyboards. Given the popularity of predictive ...
4
votes
1answer
25 views

How to help relieve test-anxiety in others

I teach, as a layman, young adult students who mostly try to get a degree part-time whilst juggling full-time jobs and small crumbs of left-overs of a private life. As it is hard for them to do rock-...
4
votes
0answers
19 views

Does the number of alternatives in a multiple choice question affect the learning output?

I have built several apps in Norwegian about hunting, philosophy etc. Students use the app to learn a subject and test their knowledge before doing their exam. In current state i have one question ...
4
votes
0answers
33 views

Do adversarial neural networks exist in the brain?

A recent development in Artificial Neural Networks for machine learning applications is the use of Adversarial Networks (see this paper for an example). Adversarial Networks is a network architecture ...
4
votes
0answers
66 views

Why are there ads inside trams which ask me to use the tram?

When I sit in my local tram/bus/any public transport, I notice ads which ask me to use the transport system which I do currently use. Seriously, I'm already using it at that time. Why placing ads for ...
4
votes
3answers
93 views

What does the statement mean “50% of happiness is determined by genetics”?

I posted the question "Is 50% of a happiness determined by genetics?" on Skeptics but realize I don't fully understand the claim. What does it mean that 50% of happiness is determined by genetics? ...
4
votes
0answers
11 views

How do I get calculate D1 and d1 in a multinomial processing tree model?

I've just been reading this paper and I am currently conducting an experiment for my undergraduate thesis. The experiment involves reality monitoring source memory judgments and I therefore want to ...
4
votes
0answers
29 views

Does testosterone level cause more sexual dream content?

I have long been interested in dreaming, including how dream content can shed some light on brain chemistry. I did a search on the subject of testosterone levels altering dream content and see some ...
4
votes
0answers
34 views

What is the purpose of dead end neurons in this diagram?

I was reading over some sources about ANNs, and here I found this diagram of a Recurrent Neural Network (RNN, the source calls it a feedback neural network). I noticed that a few neurons in this ...
4
votes
0answers
32 views

Is it possible that human behavior cannot be formalized as an optimization problem?

It is common to explain humans behavior by having the brain follow a certain objective function, that may have been formed through evolution. Given the objective function and infinite computing ...
4
votes
0answers
56 views

Why does learning new mental skills lead to headaches?

Why is deliberate practice uncomfortable? For example, during learning college math and playing the piano. Why do we get headaches after long hours of practice? According to this question, learning ...
4
votes
1answer
102 views

Can you override priming?

Assume that you are using priming as a technique to improve your performance in a specific area. Ex: When I am sleepy in the morning I use more alert music to get my mind up to speed. If I want to ...
4
votes
0answers
87 views

Name the bias when one attributes all group successes to the individual they're in contact with the most

This is the fallacy when one assumes that all successful outcomes were most likely thanks to that one individual that they always communicate with, and fail to recognize (consciously or subconsciously)...
4
votes
0answers
47 views

Any ideas about the neural mechanism underlying the ASMR sensation?

Autonomous Sensory Meridian Response (ASMR) is described as a pleasurable, tingly sensation in the (back of the) head. The sensation can be triggered by a vast variety of stimuli (auditory, visual, ...
4
votes
0answers
23 views

What causes the sensation of taste when Dimethyl Sulfoxide (DMSO) is absorbed through the skin?

The Wikipedia page for DMSO says "The perceived garlic taste upon skin contact with DMSO may be due to nonolfactory activation of TRPA1 receptors in trigeminal ganglia", and references a paper. But ...
4
votes
0answers
29 views

Searching for gender stereotype questionnaire specific to central europe

Reviewing the literature there are several inventories to measure gender stereotype values. For example, to name but a few: the Adjective Check List (ACL; Williams & Bennett, 1975) the Sex-Role ...
4
votes
0answers
34 views

Is there any objective proof of Maslow's Hierarchy of Needs [duplicate]

Abraham Maslow posited a whole lot of things in the theory that is called Maslow's Hierarchy of Needs. Among the things that he posited was the progression from more "basic needs" like physiological ...
4
votes
0answers
47 views

Does this recent twin study contradict Anders Erricson's view on the hereditary basis of talent?

The Swedish Psychologist Anders Erricson has published many reports stating that talent is "made and not born". In his book 'The Cambridge Handbook of Expertise and Expert Performance', he has stated ...
4
votes
0answers
27 views

How separate are the left and right hemisphere vasculature?

It appears as if there are communicating arteries between the right and left hemispheres of the brain, but it is difficult to grasp the larger picture. To what extent is the blood supply to each ...
4
votes
0answers
27 views

Adaptation to Discrete Perturbation in Sleep?

Generally, are there and how long do lingering affects of polar sleep patterns affect someone? For example, assume someone slept for 2 hours one day and then slept for 14 hours the next. Their 2 day ...
4
votes
0answers
54 views

Derren Brown: “Paying with paper”. Assuming legitimacy, is this simply ideomotor suggestion?

Illusionist Derren Brown's video "Paying with Paper" supposedly demonstrates real-world instances whereby Brown pays for several items in cash: the rub being, the "cash" is blank paper. It's quite ...
4
votes
0answers
156 views

Is there any credible evidence for the theory of Spiral Dynamics?

Spiral dynamics is a developmental psychology based theory that postulates these main ideas: Organisms in the universe go through a predictable set of stages of psychological development. These ...
4
votes
0answers
39 views

How common is it for twins conjoined at the head to share thoughts and visual stimuli?

I've always been interested in the possibility of a pair of conjoined twins, joined at the head, being able to read each other's thoughts, react to stimuli that one of them can't see/hear/feel, and ...
4
votes
0answers
183 views

Human memory - remembering sequences of letters vs numbers

There are 10 digits and 26 letters. In computer science you'd need 4 bits to store a digit value and 5 bits do store a letter value. Does the same apply to human brain? Is a statistical person able ...
4
votes
0answers
33 views

Does exposure to verbal abuse increases emotional stability?

At my university, many students have to go through a form of hazing for a period of a one month in the second years of their undergraduate studies. A part of it consists of a session where the ...

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