# All Questions

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### Studies of how people learn to solve puzzles

I would like to build a cognitive model that is able to learn how to solve a complex puzzle such as the tower of Hanoi based off of limited feed-back (set of valid moves, closer to goal, farther from ...
38 views

### Analysis of RTs when speed-accuracy trade-off leading to ceiling accuracy has occurred

I know that it is not desirable for behavioural data to show a (within-subjects) speed-accuracy trade-off, as it can lead to e.g. the wrong interpretation of a single subject's decreased RTs as ...
20 views

### Are adult negativity or resentment related to an infant crying for attention?

I've recently came across an idea, expressed by a spiritual author Ekhart Tolle, that for adults, the internal experience of negativity or resistance to life situations can be far more harmful than ...
48 views

### Qualitative scoring for responses to design fluency task

Before I can ask my questions, I have to give a little background information. I'm involved in a study using a measure of design fluency. Subjects are shown a page full of squares, like the one ...
54 views

### What's the optimal type of exercise to increase BDNF

It is known that exercise has a positive effect on BDNF (brain derived neurotrophic factor). BDNF has a positive effect on mood and cognitive abilities. What's the optimal way of exercising ...
10 views

### Analyzing movement data for a checkerboard

For a psychology experiment - subject has to learn that the 2D grid is a checkerboard, and collect all the 1s (rewards). How do I test if subjects are actually doing it in the most optimal way -- ...
10 views

### Relation between NEF and synchronous explanation of cognition

I'm having a hard time determining if synchrony (I'm talking about the type described in reference to the visual cortex as seen here and less about synaptic plasticity which also involves synchrony) ...
20 views

### Tests of Semantic Memory suitable for 10 to 18 year old

I'm trying to find a test of semantic memory for students. We're working on a programme to explore the impacts of exposure to nature on a student's academic abilities (hoping to pique teachers ...
64 views

### Result of local stimulation in brain

What happens when we stimulate a brain in local regions? Some possibilities: We may trigger an action without the subject's awareness of the action; We can trigger an action in a subject, but we ...
18 views

### Is it possible to train the brain to percieve two different activities occuring at the same time as seperate activities?

Let us consider the effects of orgasm: Rapid contraction of the anal sphincter muscle and Ejaculation. These two separate activities occur as one activity during orgasm. So is it possible to teach the ...
53 views

### What is the neurophysiological mechanism behind double hearing?

A patient with sensorineural hearing loss can have the symptom of hearing "double" in the damaged ear. Not having a time-delayed echo, but hearing as if he (or other people) speak with "two voices" at ...
55 views

### What are the main theories that account for why some people like X and others not? [closed]

For example, how does psychology account for why some people like peanuts and others hate them? This is a serious question, although perhaps naive. Sure, there can be some physiological explanations ...
12 views

### Generate 2D grid with alternation probability

I want to generate a 2D grid environment with rewards distributed (1s are rewards, 0s are no rewards) based on an alternation probability as defined in this paper by Falk and Konald ...
20 views

### How to compare cumulative sleep debts?

Let's say that after a period of sleeping perfectly, I sleep for the following amount of hours on some consecutive days. (Let's say the optimal hours I sleep is 8 hours. For the sake of simplicity, ...
41 views

### Inhibitory intersensory brain circuitry

In many research articles, a vague description of a inhibitory circuitry in the brain is mentioned. This is presented as an inhibitory mechanism that prevents input from one sensory modality to excite ...
21 views

### How do afternoon naps fit in with segmented sleep?

Both segmented sleep and afternoon naps are recommended over a monophasic eight-hour block of sleep, but I don't see how they fit in with each other. Segmented sleep is the theory/hypothesis that ...
31 views

### Do people perceive opacity of a color linearly?

I am trying to create a visualization for some numbers, each ranging from 0 to 1. I was thinking of representing each number by a color (say red) of a certain opacity corresponding to its value. For ...
39 views

### Combining unbiased hit rates

I am analysing data on an emotion perception task, where participants must decide if a given face is happy, sad, angry or fearful (essentially a forced choice between 4 options). I am confident that ...
8 views

### How are Bayesian models implemented in the NEF?

One of the much documented problems of Bayesian approaches to cognitive modeling is that there isn't much of a neural grounding. The NEF can be used to compute probabilistic computations with ease ...
126 views

### If a human brain would be placed inside that of an animal: Could it talk?

Assumption: Animals can't talk 'human' because of their small(er) brain. Perhaps a strange thought, but I was really wondering: If we could place a human brain inside that of an animal: Would we be ...
63 views

### IQ and Performance in Different Fields

Suppose a person is considered intelligent based on his IQ score. For example, suppose Bob has a high IQ score and is very interested in pure mathematics. He would most probably excel in this field. ...
40 views

### Description of an EEG experiment

I am working on Brain-Computer interfaces. In my project we try to control the movement of a robot in three directions, namely forward, right and left. We have done an EEG experiment where we have ...
52 views

### Ranking of produced “brain fatigue” from different mind intensive activities

I'd like to know if there has been an study, or different studies for each activity with which the ranking could be done, that determines a ranking like that with mind intensive activities, I refer to ...
79 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 ...
12 views

### Is there evidence to suggest that the different and contrasting behaviours we collectively call 'sensitive' have a common root cause?

There appear to be two different meanings of the word 'sensitive' when describing people's behaviour: that the person being described lacks the emotional resilience to cope with an everyday ...
12 views

### What is the role of stress in the process of behaviour change (lifestyle)?

Clarification: I am specifically looking at lifestyle behaviour change. I suppose that stress can influence the process of behaviour change in many different ways. One would be just the changing of ...
52 views

### Hebbian Learning - Understanding Simultaneous Firing

Im beginning to write a neural network simulator in Java and thinking of Hebbian Learning but Im stuck at one thing: What causes two neurons to fire at the same interval while only one of them is ...
39 views

### Where in the Big5 does shyness belong?

I just stumbled upon something contradicting: Some sources claim that shyness is a trait of extroversion(introvert) Some sources claim that shyness is a trait of neuroticism #4, self-consciousness. ...
47 views

### Applications and Limitations of EEG Electrode Pooling - Averaging across time series

Is there any literature that has addressed electrode pooling? In particular, are there any standards concerning what pools (e.g. frontal, central, posterior vs. electrode pairs) could be used or any ...
25 views

### Are there any free online questionnaire/survey sites that also measure the time it takes for participants to answer each question?

I'm doing a research experiment where I'm trying to measure the time it takes for participants to answer certain questions in an online questionnaire/survey. More specifically, I will be asking ...
45 views

### Re-conditioning the brain to read words and symbols/numbers “visually” and changing the visual meaning of a word

The brain likes to attach meaning to newly learned words, usually in the format of images. I have no data to prove this but you can prove it to yourself simply by closing your eyes, relaxing a little ...
42 views

### Is there any limitation in our ability to come up with a theory or hypothesis to understand brain? [closed]

We are observing the behaviors (either through behavioral experiments or observing brain activation through neuroscience experiments) based on the GIVEN TASK to the participants and trying to ...
34 views

### Why do people feel attracted by hard to get people? [closed]

Being a 18 years old boy, i experimented some things in humans relationships but i'm still considering myself low in this domain, however i noticed some strange things in this life... I noticed most ...
29 views

### The roots of Online Altruism [closed]

My name is Dan and as part of my bachelor degree in cognitive sciences I'm taking a course called Human Altruism. It's a very interesting one, that asks what are ...
92 views

### Paul Ekman suggests that in near-accidents, fear motivates people to hit their car brakes. Is the fear response fast enough to do this?

Recall a time when you were driving your car and suddenly another car appeared, going very fast, seeming as if it were about to hit you. Your conscious mind was focused on an interesting ...
12 views

### Categorical perception&formation of concept

In formation of concept, how does categorical perception intervene? Any interaction between the two processes?
65 views

### How does the physical brain know about qualia?

Qualia are phenomenological (the subjective experience of the physical activity of the brain). But how does phenomenology feed back into the activity of the brain? That is, how can the physical ...
85 views

### How to test whether a person is Left-Eared or Right-Eared?

It is well-known that the majority of humans have left-right preferences when using their hands or feet. But it is perhaps less well-known that the same can be true for our eyes and ears. I once ...
70 views

### Why does marijuana cause an increase in anxiety?

Marijuana has a lot of effects that benefit people who need it medically. However, one of its disadvantages is anxiety. Does anyone know the reason behind the anxiety? Is it from the marijuana itself ...
36 views

### Why do I see those static pictures as they are moving [duplicate]

Have a look at the following static pictures: There are more of them here. On the same website this PDF describes findings.However I could not find any explanation why this phenomenon happening. ...
25 views

### Therapeutic objectives for codependency

What are the therapeutic objectives when treating a codependent in a relationship with an individual meeting the diagnostic criteria of Narcissistic Personality Disorder?
14 views

### Why are our eyes attracted to bright lights?

Maybe it's just me but I noticed that my eyes automatically look at bright lights, such as head lights while I'm driving, even though they're too bright to comfortably look at. If this is just me ...
176 views

### Do repeated measures designs in cognitive research permit causal inference?

Can someone please explain this to me because it's driving me bonkers. In cognitive research when one group of participants are exposed to a number of crossed factors manipulated by the researcher, is ...
39 views

### What is the correct scientific term of having a short-term or long-term mindset (in the field of health and healthy lifestyle)?

For research on changing lifestyle behaviours to prevent future disease, I am looking for literature on what the influence is of having a short-term versus a long-term oriented mindset. However, I ...
53 views

### How do I get out of depression [closed]

(Please do not downvote me. if you think this is wrong place to ask such question here then suggest me where I can ask and I will move question there.) About me: I am a software engineer in Pakistan ...
32 views

### Quick responses/Time & lintelligence

Is the ability to answer a given question correctly quicker a measure of that individual being more intelligent than the person who answered correctly, but slower (This based on both individuals ...
22 views

### What does the death of a fictional character mean?

When a fictional character is killed, no one dies -- and the readers and viewers know this, no matter how much they identify with the story. So what does this narrative device actually mean? Is there ...
108 views

### Can a person be brilliant even though slow at resolving problems?

Can a person be very intelligent, able to solve difficult problems if given enough time, yet really a slow thinker? Especially if nervous. Could such a slow thinking brilliant person get all the ...