0
votes
0answers
3 views

If a study has both random assignment and random sampling?

If a study has both random assignment and random sampling, does it have both high external and internal validity?
0
votes
0answers
13 views

how to see prefrontal cortex is functioning well by a test?

Is there a test to see if the Prefrontal cortex of someone works normally? especially a simple test like a questionnaire that you give the individuals to fill out and based on their answer you obtain ...
0
votes
0answers
6 views

Classification for Cognitive biases

I'm a novice in cognitive science and got interested in cognitive biases. I found the list on wikipedia very helpful to get an overview. Yet, the categories seem arbitrary, e.g. "decision-making, ...
0
votes
1answer
27 views

What causes thought?

From what little I know about brains, they are powered by electrical pulses being sent to specific neurons, which in turn send it to corresponding nerves. But I'm curious on the science behind ...
3
votes
0answers
26 views

Is touch sensitivity higher for females?

I read a long time ago that in a study of two-week old infants response to touch, the female babies were far and away more sensitive. In most gender comparisons, there are the familiar "two humps" in ...
19
votes
3answers
6k 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. ...
0
votes
0answers
5 views

Transcripts of text comprehension questions

I'm looking for data from a design something like this: Read a single piece of text, e.g., a story. Answer some questions about that piece of text, e.g., who, what, where, etc. I want to use ...
1
vote
1answer
27 views

What do depressants treat? Are they used in bipolar to treat mania?

I don't understand the Wikipedia article on depressants. This is what I have gathered: Depression and anxiety disorders are treated by antidepressants. Narcolepsy, ADHD, obesity, smoking addiction, ...
1
vote
0answers
16 views

Body acceptance: is there a gender bias?

I tried to google for female body self esteem statistic. It seem that on a statistic basis women which are beautiful tend to see themselves as not being enough. I wonder if there is a gender bias on ...
0
votes
1answer
26 views

Emotional detachment as a reaction can be considered an aggressive behavior?

Social Rejection from Wikipedia rejection can be passive, by ignoring a person, or giving the "silent treatment". Is it possible to say that the victim of a verbal aggression who hide or ...
1
vote
0answers
11 views

Is there any psychometrics researches about the relationship between difficulty and grade distribution?

Is there any psychometrics researches about the relationship between difficulty and grade distribution in differnt college courses titles?
1
vote
1answer
27 views

Way to influence readers subconscious to memorize technical data?

I'm writing a technical book. Is there any studies/books on how can I influence the readers subconscious to help them memorize the technical data easier? Preferably ways that do not involve images, ...
0
votes
0answers
11 views

Negative thing vs planning if something gone wrong

Most of the time I am planing what should I do if something gone wrong. But my gf says that I am a negative thinker. She is correct?
0
votes
0answers
9 views

How can I help someone who is depressed to make a step forward when he doesn't trust anyone easily and doesn't accept the help offered?

I have known this person for almost two years, but recently we are getting closer, as friends. There is a 20-years difference (25-45) between us, but in friendship that doesn't matter. He is social ...
5
votes
1answer
32 views

Empirical proof for social network models

I've recently encountered the domain of social network modelling while reading the papers on models of strategic voting (unpublished), opinion dynamics and influence spread. All of these papers ...
0
votes
0answers
12 views

Human reasoning as decidable fragments or approximations of otherwise undecidable logics - cognitive explanation?

There are a lot of modal logics (especially BDI logics and KARO framework) and higher order logics that initially aimed at understanding and simulating human reasoning. After years of research the ...
3
votes
1answer
51 views

Why do Spiritual people try to sleep less?

In Monasteries and other spiritual contexts, there seems to be a "rule" that sleep is wasted time, and so the usual daily schedule only allows for about 4-5 hours of sleep. This might be enough for an ...
0
votes
0answers
14 views

How does the brains “focused” and “diffused” modes facilitate learning?

I am insatiably curious about the topic of "accelerated learning". Think about that scene in the matrix where trinity downloads the skill of how to fly a helicopter into her brain in a few seconds. ...
-1
votes
0answers
17 views

Is it normal to sleep for 12 hours? [on hold]

During my week days I sleep for 8-9-10 hours a day,which I think is normal. But is it normal to sleep for 12-13 hours? It's not like I'm in a deep slumber but I don't want to wake up either. Also the ...
3
votes
1answer
57 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 ...
0
votes
0answers
11 views

what are the best books for “physiology of cognitive functions”?

I need suggestions for books/textbooks discussing cognition and physiology underlying cognitive process on molecularand systemic levels
5
votes
1answer
228 views

Why do some people react verbally to intrusive thoughts and/or embarrassing memories?

It seems to me that there are two kinds of intrusive thoughts. The first consists of those thoughts that didn't actually occur in real life, but are nonetheless intrusive and embarrassing and ...
2
votes
1answer
31 views

During synchronized waves oscillation (alpha beta etc…) do neurons fire only once for each wave cycle?

Or can they fire few times then pause and again, firefew times and pause periodically? If the second case happens then do we know if the neurons that fire in synchronity fire the same number of ...
3
votes
1answer
478 views

Can hypnotherapy help to change my tastes in food?

First a few disclaimers: I am from a scientific background but a marine biology and computing one, so I apologise if I get any concepts wrong, but I will try my best. I have never been hypnotised, ...
0
votes
1answer
26 views

How are positions and counts of higher concepts encoded in sparse representations?

I understand that levels in the sensorimotor hierarchy of the brain learn recurring features of their input streams. The results are activation patterns with single neurons firing for the existence of ...
1
vote
0answers
30 views

Thinking about not existing

Whenever I see pictures of our universe, I always try to think about not existing. Recently I found this website and started thinking about it. Usually what when we talk about this, we imagine a void, ...
0
votes
0answers
11 views

How are good ways to concencrate?

I'm trying focus to Feynman exercises but I can't concentrate to this exercises. I've a lot problems with awaking morning but I normal sleep. I use Flux. In my environment people are more talking, ...
1
vote
0answers
21 views

When we say signals go from one cortical area to an other one do we mean they go directly without going through the thalamus for example?

Or is it implied signals always have to go back and forth between the thalamus and the cortex? Or is it possible they do both at the same time? Or maybe for areas next to each others they can go ...
5
votes
2answers
85 views

How would the blind experience a hallucinogen like LSD?

I have heard that LSD allows you to see ridiculous things. But they are things that you have seen, or can imagine to see. If you've never seen before (like a blind person), what effect will LSD have ...
0
votes
0answers
6 views

What would be a good headset with microphone for cognitive psychology experiments?

I'm looking for a comfortable headset with good sound and a decent microphone attached to run cognitive psychology experiments, but I'm not sure what to buy. Subjects will have to wear it for 1h30, ...
3
votes
1answer
34 views

Do dissolving myelinated connections explain learning?

In order to understand how we get rid of established habits/behavior: Can myelinated connections be dissolved or are new connections created that bypass those connections?
5
votes
1answer
38 views

Valence conveyed in simple geometric shapes

I've seen neuroscience and facial recognition studies that give evidence for this idea of simple geometric shapes causing emotional responses or quicker recognition of negative affect. Are there ...
1
vote
0answers
8 views

Links between biases and personality?

I was thinking of how a lot of people are biased against overweight people. . One of the answers considers how we tend to "take part" with those that remind us of ourselves, and we are biased against ...
0
votes
0answers
5 views

Why do only certain games quickly mentally fatigue us?

In the video game counter strike, you can play for hours and be energized. But if you play a game on your phone to try maximizing your reaction time (same concept as trying to shoot another player ...
4
votes
1answer
46 views

What is happening neurochemically when we seek to reduce stress by taking aggressive action?

As a layman, it seems to me that humans have 2 primary strategies for controlling stress (cortisol). I tend to use the words “connection” and “aggression” to refer to these strategies. The ...
0
votes
0answers
11 views

People unable to choose which eye focus on while speaking [on hold]

Usually when I speak with people, I tend to look them into their eyes. I do that both when I'm speaking and when I'm listening. Today, I met a girl and speaking with her I noticed that she was ...
4
votes
2answers
46 views

Are there specific neurotransmitters for specific sensations?

Nerves can detect pressure, temperature, light (eyes), sound, friction- at least. Does each sensation have its own neurotransmitter? I'm only a little familiar with neurotransmitters. This page ...
0
votes
0answers
5 views

Is Theory of Mind (cognitive empathy) correlated (negatively?) with social distance?

In short - can a devout Muslim rationally place themselves in an accurate mental state of an alcoholic?!
11
votes
2answers
2k views

How long does it take to refocus after context switching?

Context switching has been highlighted for the toll it takes on productivity at great length, particularly by people who work in software and project management. Are there any ...
1
vote
1answer
41 views

Why are people biased against overweight people?

Several studies have shown that alot of people are biased to underestimate\undervalue overweight people: ...
1
vote
0answers
11 views

Is the current approach to AI learning essentially behaviourism?

AI, to the level that we attempt to create it these days, involves creating neural networks that learn from stimulus (experience, data) and reinforcement. A higher score such as in a Go game, or a ...
0
votes
0answers
7 views

Do gating mechanisms in the neocortex have individual degrees for all gated connections?

For example, the upward connection between layers in the neocortex flows through the Thalamus which is assumed to have a gating function. I wonder whether there is a single value per gate, ...
2
votes
1answer
22 views

Self-study guide for translating a psychological scale

I am conducting research on Arab homosexual men. I want to translate to Arabic and validate psychological scales like scales for gender dysphoria, internalized homophobia scales ..etc first, How to ...
0
votes
0answers
14 views

Which theories explain that given a choice of hard and easy tasks one would pick the easy one?

Which theories deal with cost benefit analysis? For example, given a binary choice of hard and easy tasks (eg. Picking low hanging fruit, stealing what is not bolted down, cheating on a test, taking a ...
3
votes
1answer
141 views

Is there a term that describes the personality trait of always desiring more?

I see this kind of trait in some of the people who fear the commitment (in a marriage) since they don't want to have to renounce their vows when their feelings toward their spouses change. I see this ...
3
votes
0answers
28 views

Infants tend to look longer at novel stimuli than at repeated stimuli, is this true in adults?

I have recently read an article in which it is stated, that the researchers can discriminate if a baby knows an object, by looking at the length of time the baby looks at the object. Do adults also ...
3
votes
4answers
132 views

Denial of evidence and reason [duplicate]

Some people form a belief and become absolutely resistant to any contrary evidence or reasoning. Even in the face of overwhelming evidence, these people stick to their beliefs. I'm pretty sure this is ...
3
votes
0answers
129 views
+50

Correlation between anorexia and mass media stereotypes

I know anorexia is a complex phenomenon. I've been reading on Wikipedia that: Sociocultural studies have highlighted the role of cultural factors, such as the promotion of thinness as the ideal ...
-1
votes
1answer
1k views

Ignoring someone can be considered aggressive?

On social networks I found many people who don't answer to some polite questions. In real life it would be considered unacceptable. I've read an italian resource where it calls this way of behaving ...
1
vote
3answers
301 views

Split Brain Experiments on Animals

I was wondering what would happen if you took a split brain person and stimulated the pleasure center of one hemisphere and the pain center of the other hemisphere in conjunction with an external ...

15 30 50 per page