5
votes
0answers
53 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
105 views

Why has behaviourism fallen out of favour?

Despite the catchy title, I'm not interested in personal opinions here. I am however, interested in feedback on how to better phrase the question so as to avoid personal opinions. After some ...
5
votes
0answers
64 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
56 views

Does a loser prefer the winner to subsequently lose or win?

Most major league sports have some form of tournament bracket where there are several rounds of elimination before a winner is determined. In most of them, the winning team is undefeated over the ...
5
votes
0answers
114 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
757 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
23 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
170 views

Is there evidence to suggest that music can trigger release of a particular kind of neurotransmitter?

I've recently listened to a podcast, "The music in your brain", in which Dr. Daniel Levitin suggests that: Soothing music can trigger release of oxytocin Sad music triggers release of prolactin An ...
5
votes
0answers
38 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
106 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
41 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
52 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
95 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
28 views

Are there gender differences in the ability to identify shades of colors by name?

As many of you have, I have noticed that there appears to be a prevalent stereotype that girls seem to have "heightened" color perception. By this term, I mean that they can identify the salient ...
4
votes
0answers
39 views

Are there any studies on links between clothing style and personality?

Reading about on personality psychology, I have met several vague claims that different personality types prefer different clothing styles. Apparently, people who are more keen to their senses will ...
4
votes
0answers
76 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 ...
4
votes
0answers
35 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 < ...
4
votes
0answers
32 views

Does sensory deprivation affect cognitive abilities?

I am wondering if the loss of vision or hearing early in life (say, before the age of 14 years) affects cognitive abilities later in life? I would imagine that as a group, early-blind or early-deaf ...
4
votes
0answers
61 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? ...
4
votes
0answers
37 views

Is there a psychological/physical reason why sometimes your brain won't switch off when you want to sleep?

What is happening to the brain when you are trying to sleep but can't? I think this is a fairly common phenomena. In a situation when you are tired and ready to sleep, why can't you switch off? It's ...
4
votes
0answers
23 views

How to reconcile contrast model (of similarity judgment) with anchor-and-adjust?

Hastie & Dawes (2009) claims that humans judge whether an instance belongs to a class using the contrast model, where "we perceive similarity by making (very rapid) comparisons of the attributes ...
4
votes
0answers
25 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 ...
4
votes
0answers
26 views

Has anyone ever conducted a psychological experiment to test whether an arbitrator appointed by one party tends to judge in favour of that party?

I am interested in the case where the arbitrator has been unilaterally appointed by one of the parties in a conflict. Assume that economic rewards are not involved. I am only interested in knowing if ...
4
votes
0answers
60 views

Measuring attitude towards learning another language?

Does a validated scale to asses a person's attitude towards learning a new language exist? So far I have only found the following questionnaires: Language Learning Attitudes Questionnaire ...
4
votes
0answers
31 views

How to obtain well-written demographic items?

I've noticed over the years supervising student projects that it is actually surprisingly difficult to write good demographic items. Specifically, I'm thinking about questions related to gender, age, ...
4
votes
0answers
28 views

Why can't subjective utilities take probabilities into account?

If my understanding of expected utility theory is correct, it is rational for a decision maker to have subjective utilities for objective consequences. For example, it can be rational for a ...
4
votes
0answers
41 views

How common are aromantics?

(Aromantic means lacking romantic attraction to others.) What percent of people are aromantic? While the percentage of people who are asexual seems to be 1%, I couldn't find anything on what percent ...
4
votes
0answers
64 views

Are there any EEG procedures currently available/in development that can formulate letters/words from deliberate, internal monologue?

I am thinking of the combination of an EEG-like device and software to monitor and analyze (very) deliberate thoughts of letters/words. The input would be in the form of raw electrical brain ...
4
votes
0answers
57 views

Do people “subvocalize” during thinking or “internal monologue”

I've recently became aware of the concept of subvocalization, where people make tiny motions with their vocal cords when reading. I'm looking for a clarification on the subject: Does subvocalization ...
4
votes
0answers
33 views

What are some good references for preprocessing and analysis of the P300 response from EEG data in Python?

I have just started to work on problems in neuroscience on my own. I sought to analyze the P300 response from EEG data because I was trying to understand a Kaggle.com challenge that used it. I found ...
4
votes
0answers
59 views

Why do men have greater variance than women in mental test scores?

Hedges and Nowell (1995) write that Sex differences in central tendency, variability, and numbers of high scores on mental tests have been extensively studied. Research has not always seemed ...
4
votes
0answers
39 views

Why can good music raise goosebumps?

Listening to really good music right now, I was wondering why it raises goosebumps. Is there any physiological reason for this reaction to specific wavelengths or something? Due sometimes strong ...
4
votes
0answers
52 views

Have there been any recent replications of the Hofling hospital experiment?

In the original Hofling hospital experiment (1966): A person would telephone a nurse, saying that he was a doctor and giving a fictitious name, asking the nurse to administer 20 mg of a ...
4
votes
0answers
37 views

Why does the unilateral 6-OHDA lesion Parkinson's model cause ipsilateral rotations?

As far as I understand, the loss of dopaminergic neurons should hinder movement in the contralateral side of the body, resulting in contralateral rotations when the animal tries to move forward.
4
votes
0answers
36 views

What's the most effective way to learn and revise foreign language vocabulary?

Google searches have suggested to me that some sore of spaced repetition should work best, keeping in mind Ebbinghaus's "Forgetting Curve". However, it is not clear to me exactly when I should ...
4
votes
0answers
21 views

Which executive function assessment has the most cognitive models?

Wikipedia has a handy list of assessments of executive functions. I recognize a few of them (Tower of Hanoi, Wisconsin Card Sorting), however, what is the most modeled task and what reasons do ...
4
votes
0answers
25 views

Effectiveness of implicit measures of deception (e.g., sweating, eye focus, EEG) when filling out online questionnaire

I'm working in my master thesis on a method of detecting user deception or lying when answering online questionnaires using his implicit feedback like sweating, eye focus, EEG etc. I would like if ...
4
votes
0answers
33 views

Confirmation vs peak-end bias - when does it make sense to “save the best for last”?

This question is inspired by Should I give the interviewers surprise? on Academia.SE. The strategy of "save the best for last" seems to be affected in conflicting ways by two cognitive biases: ...
4
votes
0answers
24 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 ...
4
votes
0answers
67 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.
4
votes
0answers
29 views

Neurophysiological indications of focus and motivation

Is there any way to detect a subject being focused or highly motivated (assuming that these two states are essentially the same) using any sort of external detection, such as fMRI or EEG? How would ...
4
votes
0answers
98 views

Is the VALS framework still relevant to market segmentation?

The VALS framework stands for ("Values, Attitudes And Lifestyles") [and] is a proprietary research methodology used for psychographic market segmentation. Is VALS still relevant, outdated or ...
4
votes
0answers
47 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. When you look for a more complete description results vary. It is sometimes ...
4
votes
0answers
61 views

The accuracy & malleability of memory for color

How accurate is colour memory for the standard person? It would seem most people are quite good at remembering the colour of objects by visualising the object. But in some cases peoples visualisation ...
4
votes
0answers
43 views

Age of learning versus relative mastery - are they linked?

Infants learn different things in different ages. Let's say infant A learns to speak at age 1 (I have no idea what is normal), and infant B learn to speak at age 1.5. Does the age of learning say ...
4
votes
0answers
120 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: ...
4
votes
0answers
72 views

Influence of antidepressant drugs upon personality

How do antidepressant drugs influence someone's personality? Do they induce a major change in an individual's personality, or do they just negate the influence of depression? Basically, is the ...
4
votes
0answers
32 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 ...
4
votes
0answers
43 views

The role of Anticipation in acquisition, consolidation, retrieval of memory

I was wondering if there is any neurological/neuropsychological difference between the anticipation of an event to come, and the remembrance of that event. More specifically, is there any difference ...
4
votes
0answers
31 views

Is the mind's adaptation to increased traveling speeds, physical or psychological?

When a motor vehicle increases in speed, we soon adjust to the faster pace of movement; seemingly by processing incoming information faster. Is this purely psychological, with the brain "dropping" ...

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