1
vote
1answer
31 views

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 ...
3
votes
1answer
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 ...
1
vote
0answers
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 ...
3
votes
3answers
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 ...
4
votes
1answer
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 ...
1
vote
0answers
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 -- ...
3
votes
0answers
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) ...
3
votes
1answer
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 ...
1
vote
2answers
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 ...
1
vote
0answers
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 ...
5
votes
1answer
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 ...
3
votes
1answer
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 ...
0
votes
0answers
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 ...
3
votes
0answers
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, ...
5
votes
0answers
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 ...
1
vote
0answers
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 ...
3
votes
0answers
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 ...
3
votes
1answer
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 ...
1
vote
0answers
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 ...
1
vote
4answers
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 ...
2
votes
3answers
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. ...
1
vote
0answers
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 ...
2
votes
0answers
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 ...
2
votes
1answer
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 ...
1
vote
0answers
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 ...
1
vote
0answers
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 ...
2
votes
2answers
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 ...
3
votes
1answer
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. ...
4
votes
1answer
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 ...
5
votes
2answers
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 ...
0
votes
0answers
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 ...
1
vote
0answers
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 ...
1
vote
0answers
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 ...
1
vote
0answers
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 ...
6
votes
1answer
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 ...
0
votes
0answers
12 views

Categorical perception&formation of concept

In formation of concept, how does categorical perception intervene? Any interaction between the two processes?
1
vote
1answer
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 ...
5
votes
2answers
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 ...
4
votes
0answers
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 ...
3
votes
0answers
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. ...
1
vote
0answers
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?
2
votes
0answers
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 ...
5
votes
1answer
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 ...
3
votes
1answer
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 ...
1
vote
0answers
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 ...
2
votes
1answer
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 ...
1
vote
0answers
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 ...
2
votes
1answer
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 ...
5
votes
1answer
35 views

Is there a way to use a STDP learning rule on rate-based neurons?

STDP (spike timing dependent plasticity) is a learning rule for changing the synaptic weights between neurons. It is Hebbian-like in that the weight changes depend on the coincidence of pre- and ...
4
votes
0answers
32 views

Are psychology students more neurotic than the general population?

Using the NEO-FFI to measure Big Five personality traits among students from our faculty, we found that students of psychology are more neurotic (t = -2.34, p = .02) and less open (t = 5.98, p < ...

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