5
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0answers
20 views

Simultaneous DTI, structural MRI and 1H-MRS - Are there any examples of this?

I have been reading about recent articles relating to treatment resistant schizophrenia, and apparently there are a lack of studies using multimodal imaging. Initially I just thought that would be ...
5
votes
0answers
85 views

Do readers consider the passive voice as more authoritative?

In the middle of the last century (roughly from the 20s-70s) the passive voice dominated scientific writing; or should it be said that scientific writing was dominated by the passive voice? ...
5
votes
0answers
58 views

How successful are modern (2015) sentiment analysis algorithms for identifying emotion?

I see a number of questions about implementing text sentiment analysis algorithms on StackOverflow, and am interested - how effective are sentiment analysis algorithms at identifying the ...
5
votes
0answers
41 views

Is movement/activity level related to serotonin availability or reuptake rates in the brain?

I'm aware of this research article that explores the relationship between motion and serotonin systems: 5-HT and motor control: a hypothesis. Based on the article above, it seems to me that a "very ...
5
votes
0answers
37 views

Is there a hierarchy of gestalt visual stimuli processing?

Let's say that we have a set of shapes. They can be grouped according to the different Gestalt laws of grouping. However, different Gestalt principles will divide the set into different groups, e.g. ...
5
votes
0answers
29 views

Is it sufficient to say self control eliciting the reduced ERN (error-related negativity) in cognitive control tasks?

The limited resource model of self control suggests that the exertion of self control can impair performance in subsequent cognitive control tasks (for details on the model, check this question. Most ...
5
votes
0answers
97 views

Objective differences between extroverts and introverts

What are the empirical, measurable, objective differences between extroverts and introverts? I'm not interested in self-report studies, only objective measurements.
5
votes
0answers
143 views

What cognitively interesting event-related potentials at FP1, FP2, TP9 or TP10 can be measured with consumer-grade EEG hardware?

I'm looking for cognitively interesting event-related potentials at places like FP1, FP2, TP9 or TP10 that can be measured with consumer-grade EEG hardware. Right now I have an Interaxon Muse EEG and ...
5
votes
0answers
76 views

What are the meanings of the word 'gender'?

Gender is often loosely described as the psychological parallel of sex. But this is more like a simile than a description. It is also often noted as being in the mind e.g. the genderbread man. When ...
5
votes
0answers
64 views

Why does injury cause brief unconsciousness?

I suppose I'm thinking specifically about head injuries, though this question applies to any injury that causes unconsciousness for, say, a few minutes. If you would revive so soon, why would you fall ...
5
votes
0answers
277 views

Is memory biased towards positive or negative memories?

I am trying to understand the relationship between positive/negative memories and the congruence of memory to existing beliefs. These quotes are from Wikipedia, presented in alphabetical order: ...
5
votes
0answers
44 views

What's the relation between BCM and Oja's learning rule?

A software I'm using has implemented two unsupervised learning algorithms, Oja's and Bienenstock, Cooper, Munro's (BCM) learning rule. I understand that they are two very different algorithms for ...
5
votes
0answers
79 views

What functions does the brain perform to recognize a familiar object unconsciously?

Let's say a person's brain experiences how a vehicle/object looks for the very 1st time. It would require lot of attention/focus/processing to analyse the object, extract features and train its neural ...
5
votes
0answers
41 views

What is the effect of income on an adolescent's reward response to monetary vs. social reward?

I am asking a question related to adolescents and their response to either monetary or social reward. What is the effect of income levels on monetary vs. social reward? Do higher income children ...
5
votes
0answers
188 views

What to do when you have a speed-accuracy trade-off in your data?

Many studies report that a speed-accuracy trade-off (SATO) did not occur in the data since there is a positive correlation between RTs and error rates. In other words, people took longer to respond ...
5
votes
0answers
29 views

Is it possible to imitate two way communication between a brain and a limb?

Human muscles are controlled by action potentials that travel along the nerves. Below is an image of a train of action potentials that are decoded by the brain into a sensation or interpreted by a ...
5
votes
0answers
263 views

Does limiting mental activity during the day increase mental performance later in the day?

Is there any scientific evidence to support the idea that you only have so much cognitive energy in a given day; and if so, would the mental abilities of someone who focuses on as little as possible ...
5
votes
0answers
108 views

How long could Henry Molaison keep his memory of the present?

I'm talking about Henry Molaison (HM), the famous memory research patient. I hear that he could converse normally with a researcher until he "got distracted", at which point he no longer remembered ...
5
votes
0answers
41 views

What kind of feed-back scheme is there for a back-propagation feed-forward ANN for self-learning of touching a coordinate with robot arm?

I'm a beginner in this topic and are learning how to build an artificial neural network and different types of training associated with them. Right now, I'm trying to figure out self learning. For ...
5
votes
0answers
116 views

What is the neurobiological basis of Spearman general factor of intelligence?

I found here a brief intro to genetic factor of human intelligence: http://www.ncbi.nlm.nih.gov/pubmed/1036362 Also there is known that gyrus hipocampii is basis of STM which have role in general ...
5
votes
0answers
175 views

What are the neurological differences between varying types of love?

It stands to reason that the biochemical cascade involved when a person experiences love, gives a feeling of well-being and drive. Studies in neuroscience have involved chemicals that are present ...
5
votes
0answers
46 views

Current directions in emulation theory

Over the decades there have been several theories from various aspects of cognitive science that have appealed to a link between perception and action as a way of understanding information processing ...
5
votes
0answers
81 views

What is the neurological mechanism behind the feelings associated with loneliness?

Loneliness can be debilitating, and the feelings associated with it can be overwhelming, including feeling 'cold inside', sad, hopeless and even helpless. Many things can 'cause' loneliness', both ...
5
votes
0answers
47 views

Aetiology of Fear of Success

The Jonah Complex is the fear of success which prevents self-actualization, or the realization of one's potential. It is the fear of one's own greatness, the evasion of one's destiny, or the ...
5
votes
0answers
80 views

What is the neurological mechanism behind the “fear of failure”?

Sometimes, the fear of failing at something can be debilitating, and more often than not present a barrier for that person to even try new things - the locus of the fear can be quite different between ...
5
votes
0answers
66 views

To what degree does environment govern the severity of symptoms in schizophrenia?

From what I understand about the physiology of schizophrenia it is thought to be caused by chemical imbalances resulting from genetic factors, fueled by environmental factors. I've garnered that ...
5
votes
0answers
58 views

What neurological processes occur with 'revulsion'?

As the title asks, what neurological processes occur when we feel revulsion? By revulsion, I mean the involuntary and voluntary physical and psychological responses far stronger than the aversion ...
5
votes
0answers
54 views

How to compute auditory steady state responses?

Simple question: How does one usually go about computing an auditory steady state response (ASSR)? I have data where speech was amplitude modulated to a 40 Hz sine tone. There's 3.5 minutes of data; ...
5
votes
0answers
60 views

What regulates the strength of motoric signals?

I've seen cognitive/roboter models where the input signals from the sensors are directly used as the signal for outgoing motoric control. This doesn't make much sense, because obviously we're able ...
5
votes
0answers
114 views

The effect of lifestyle photography on sales conversion rates

I work for a large UK-based clothing retailer. After some initial customer testing with our product details page (on our website) there has been some debate on the following question: Do customers ...
5
votes
0answers
98 views

Technical model of how babies and young children learn suited to a parent with an engineering background?

Background: I'm looking forward to be a father come fall. My son will have Downs Syndrome, so there are a lot of early interventions we have to think about to support our son - logopedics, ...
4
votes
0answers
19 views

Hemineglect conscious attention bias

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. Scholarpedia article states that ...
4
votes
0answers
25 views

Teach toddler two languages simultaneously

Would it cause any speech issues if I decide to teach my toddle English and Spanish at the same time? Or should I teach one language first and then the other one?
4
votes
0answers
18 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
28 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
61 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
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
25 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
33 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
48 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 ...
4
votes
0answers
55 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
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 ...
4
votes
0answers
21 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
56 views

Does spanking a child teach them that it's ok for another person to touch them against their will?

The debate over whether spanking is an appropriate punishment largely revolves around proponents saying that it creates a more "disciplined" person and opponents saying that it traumatizes the child ...
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
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
51 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 ...

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