# All Questions

129 views

### Can normal brain activity arise from no (or random) brain activity?

I wonder how stable the brain is as a dynamical system. In other words, how important the state (current activation) of the brain is for its further functioning. Would the brain recover from a state ...
27 views

### What is the relation of visual quality and distance from the central field of view?

I have read somewhere that Our visual perception degrades non-linearly with distance from the fovea. However, it was not referenced. I was wondering if there is a reference talking about this?...
19 views

### EEG electrode cluster selection

Is there a good review paper on electrode selection in EEG analysis to avoid the problem of double dipping (Kilner, 2013)? This is a well documented issue in neuroimaging (Kriegeskorte et al, 2009; ...
50 views

### Why is it that in TV series the major part of the shots don´t last longer than 10 seconds?

While watching TV series (Game of thrones, Death in paradise, New tricks, etc.) I try to count how long one shot was shown before the next shot was shown. The duration of the shots almost never ...
35 views

### What is a realistic mathematical function to model link decay in a social network?

I'm wondering (as a non-psychologist/cogsci programmer) what would be a good mathematical function to model the decay human relationships, or in other words, how people forget about people they don't ...
75 views

### Information storage capacity of a neural network?

I seem to remember reading about some equation that states the amount of information that can be held by a neural network with n neurons in it arranged in l layers, or something vaguely like that (n ...
12 views

### Upwards of what d' values constitute “good” sensitivity?

In signal detection theory, d' (sensitivity) is computed in terms of z-scores, to allow comparison (subtraction) of hit rates from false alarm rates. Even so, the interpretation of the d' is not ...
16 views

### Importing EGI eeg binary format data into R?

Are there R packages/functions for importing EGI eeg data format into R?
32 views

### What is the purpose of non-spiking and anaxonic neurons?

What is the purpose of non-spiking neurons and anaxonic neurons in neural tissue?
60 views

### Effects of Game-based Learning on Motivation for Learning

I have already asked this question here, but I did not receive my answer. I found this site a more appropriate place to ask it. I found many studies discovering the impacts of game-based learning on ...
28 views

### Do we perceive contrast colour patterns easily because of adaptation?

I can understand that colours are just manipulation of our brain to light rays of different frequencies, amplitude, and wavelength. But we do feel easier to find a pattern on a thing which is of ...
27 views

### Could physically simulating neural structure on a fundamental level yield superior results to machine learning algorithms?

My curiosity is merely of whether (in a future where we have computers with the processing power of the human brain) it's possible that actually simulating a neural network's physical behavior on the ...
81 views

### Applying signal detection theory to single-stimulus presentations

Normally, signal detection theory (SDT) is applied to data that involves giving two-alternative forced choice (2AFC) responses to pairs of stimuli, for instance saying whether stimulus B was the same ...
27 views

### Short validated measure of cognitive ability suitable for online experiment on the effect of emotion on ability test performance

I am currently writing my dissertation which will examine the impact of emotion on cognitive ability. I plan to use two test groups to test my hypothesis, one which is primed to feel happy the other ...
109 views

### Social loafing vs. Free riding

In different papers I see these terms with very close definitions. Are they different things? If yes, how one can differentiate them?
146 views

### Differential equations in psychology [duplicate]

I am wondering (and searching with no success) if there are any examples of differential equations in psychology? I mean, no tutorial explaining what is differenetial equations or even partial ...
80 views

### If the color black reflects no light, how are we able to see it?

If color as we perceive it is dependent on the wave lengths that are reflected by an object, with white reflecting all hues and black absorbing all, how do we detect a black object? I do understand ...
17 views

### How does the brain encode order of information in sentences/stories?

When memorizing a sentence or a full story: then, how does the brain encode the order of the words of the sentence or the sentences in the story?
48 views

### Why can't hemineglect patients be trained to actively pay attention to their neglected side?

I'm still having a hard time understanding the symptoms of hemineglect, mainly because perception and attention has been two peas of a pod for most of my experiences. A Scholarpedia article states ...
65 views

### Implementation of Bayesian inference on cognitive science research question

To clarify, I am not talking about Bayesian model of cognition. That model refers to the theory that the human learning and inference approximately match Bayesian inference reasoning. (The two topics ...
44 views

### What are the pros and cons of teaching a toddler two languages simultaneously versus sequentially?

Would it cause any speech issues if I decide to teach my toddler English and Spanish at the same time? Or should I teach one language first and then the other one?
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 ...
17 views

### Can a multiple choice test reliably measure decision making speed?

Are there any studies showing that there is a direct connection (or a lack of a connection) between performance on a speeded, written, multiple choice test, and making quick decisions during a ...
23 views

### What does pregnancy dreams mean? [closed]

I had a weird dream about my boobs being as hard as a morning stiffy oh and for some reason thinking of my fiancee in the same dream made me pregnant and I was still stuck ...
30 views

### What's the feeling where you feel weird in places where people in movies get stabbed etc

For example in the matrix, when the little bug crawls through his belly button my belly button feels weird.
26 views

### Why do we laugh more easily in social situations?

I ate lunch and then played pool with a co-worker after lunch today at our office. We get along quite well and talk often. Yet while socially engaged, instead of professionally, I found myself ...
121 views

### Why do people have different personalities when speaking different languages?

Edit: This study is much more relevant in terms of the question. This study suggests (according to article linked below) that a multilingual person can have multiple personalities, each tied to one ...
19 views

### Does reading a word without mentally vocalizing it inhibit your ability to comprehend?

In speed reading, people are taught to read much faster by avoiding the common habit of mentally vocalizing the words in our heads. Is mental vocalization an unnecessary habit that can be scraped ...
23 views

### Are the sides of the body associated with gender stereotypes?

For example, creating an experiment in which the words "male" and "female" would be presented on the left or right side of a screen, and participants had to click a left button for "male" and a right ...
46 views

### Difference between thoughts and sensations

I am interested to know how to distinguish sensations from thoughts, according to the techniques and concepts of neuroscience and psychology. Is there an explicit distinction between them, or are ...
60 views

### How to measure stress quantitatively?

I am wondering what the most straightforward way is to measure stress levels objectively and quantitatively *, and specifically, cognitive load. I am open to suggestions, but my understanding is that ...
14 views

### What is the most subscribed list server for cognitive science?

Are there one or more popular list servers for the cognitive science community? If so, what are they? Can anyone join?
34 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 ...
38 views

### Do dissatisfaction with a job and relationships share the same mental mechanism?

The modern world has two new ways of finding abundance of employment and relationships: Job boards, career sites and recruiters for finding jobs Online dating sites for finding dates While ...
18 views

### Does work exist on relative valuations versus numeric valuations?

I've been trying to use Google Scholar to find something on this issue, but I fear I may not have found anything due to using incorrect terms. I am looking for any work which looks at rating systems ...
37 views

### Do we have a sub- or super-unconscious? [closed]

Being conscious (awake) and unconscious (asleep) are two mutually exclusive states. The boundary between them ("falling asleep") is very pleasant. Why? Conscious => Unconscious Some people say ...
106 views

### Do many people have an “Accompanying Voice” - an equal they converse with?

A hypnosis professional told me this is true, so I am asking: is it a fact of psychology that many people have a voice that they talk with "in their head" which talks back to them and helps solve ...
10 views

### Ebbinghaus like model for retention of details from experience

I've come across the Ebbinghaus Curve (forgetting curve) showing the retention of learned knowledge over time, but I wondered if there was the same kind of model for the retention of details from ...
13 views

### Does being exposed to extreme heat for a short time affect learning performance afterwards?

I live in Thailand where it's so hot all the time(it's 31°C/88°F at the time I post even though it's raining). All students in the state school must assemble in the morning before class and sing the ...
33 views

### Spontaneous emotional bonding in traumatic events [closed]

First off, I know next to nothing about cognitive sciences, but I experienced something today that got me curious. So please forgive me for maybe not being able to express my questions adequately. ...
78 views

### Why does the brain skip over repeated “the” words in sentences?

For example, in this sentence by the the time you are done reading you will have already skipped over the double "the". I have searched this on the internet a little, but I have found nothing that ...
12 views

### What happens to a persons frontal lobe when mastering a foreign language?

When mastering a foreign language, what happens to a persons frontal lobe? In the cognition class I took as an undergraduate, I distinctly remember learning about how the brain processes and learns ...
120 views

### Perfectionism, and approval addiction; how are these two generated from a trauma?

Depression and anxiety most of the time stem from a past trauma, but it is actually not the events, but the thoughts that create the symptoms of depression and anxiety. Out of those thoughts, ...
86 views

### Why do people want to have children? [closed]

Sooner or later most people will want to have children. What are some of the most common psychological reasons leading people to want to have children? What are their motivations and expectations?
49 views

### Attention loss while studying alone

Description: Student quite enthusiastic and focused during class, but can't recreate the same enthusiasm and concentration when studying alone in home. Result: Poor performance due to lack of ...
33 views

### People's subjective tendency: Is there a mathematical model?

In our everyday life, people always intentionally or unintentionally value some objects. However, some tend to overvalue the value of objects, while others tend to undervalue them. For some the ...
40 views

### What is the function of the connection between the two halves of the thalamus?

What kind of direct exchange do we have between the two halves of the thalamus, whether going through the thalamic adhesion or not? Do we know what parts of left and right thalamus are connected and ...
69 views

### Is there a difference in the perception of time in animals of different size?

Do small animals see the events surrounding them as going faster or slower in comparison to bigger creatures, such as us humans? Are those surrounding events appear to happen at a different speed for ...