5
votes
0answers
58 views

Are males more likely to view homosexuals as mentally ill than females?

It's generally accepted that males tend to have a more negative attitude toward homosexuality than females: Three studies conducted with students at six different universities revealed a ...
5
votes
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
84 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
40 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
36 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
95 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
136 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
262 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
42 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
78 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
179 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
2k views

Body Language: Why do we give each other the grumpy/frowning fake smile?

I've recently become aware of this - I kinda knew I was always doing it, but just now it got me self conscious and thinking about it: When crossing paths with a stranger, you are supposed to be ...
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
262 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
174 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
65 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
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
10 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
21 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
31 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
47 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
53 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
55 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
46 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
26 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
59 views

very weird Split Brain Dual Consciousness experiments references on Wikipedia

I have been reading about the problem of possible dual consciousness in split brain patients and I came across this wikipedia page about: ...
4
votes
0answers
50 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 ...
4
votes
0answers
137 views

Is there any credible evidence for the theory of Spiral Dynamics?

Spiral dynamics is a developmental psychology based theory that postulates these main ideas: Organisms in the universe go through a predictable set of stages of psychological development. These ...
4
votes
0answers
37 views

How common is it for twins conjoined at the head to share thoughts and visual stimuli?

I've always been interested in the possibility of a pair of conjoined twins, joined at the head, being able to read each other's thoughts, react to stimuli that one of them can't see/hear/feel, and ...
4
votes
0answers
154 views

Human memory - remembering sequences of letters vs numbers

There are 10 digits and 26 letters. In computer science you'd need 4 bits to store a digit value and 5 bits do store a letter value. Does the same apply to human brain? Is a statistical person able ...
4
votes
0answers
33 views

Does exposure to verbal abuse increases emotional stability?

At my university, many students have to go through a form of hazing for a period of a one month in the second years of their undergraduate studies. A part of it consists of a session where the ...
4
votes
0answers
28 views

EEG data processing: large data file seems empty

We have been running an experiment trying to collect ABR data using the Brainvision EP-PreAmp and Actichamp system. We ran several successful tests with short versions of our experiment, about 10-15 ...
4
votes
0answers
32 views

How are psychological bio-markers discovered?

Recently, this paper claiming to be able to distinguish bipolar disorder from major depressive disorder via a urine sample has come to my attention. Despite reading the paper, I'm unable to ...

15 30 50 per page