3
votes
2answers
195 views

Calculating d-prime

I'm currently working on a research that has to use and calculate D Prime values for a task where subjects are presented an image at different speeds and they have to report if they saw the image or ...
2
votes
2answers
132 views

Why do programmers work at night?

I can be described as a morning person, where waking up at 4:20 AM to catch a flight is no problem. My colleague on the other hand go to bed no earlier than midnight and often later than that. We're ...
1
vote
1answer
164 views

How to find the upper and lower quartiles of the Ryff scale?

I received this question via email and thought the answer might be sufficiently general to be worth posting here. I have used the Ryff scale in my research . Actually I am confused about the ...
4
votes
0answers
39 views

Learning Reading without Speech?

I have this question from wandering how a person, who does not have speech capability or is isolated from people who speaks, could learn how to read? Will a language (A) like English or (B) like ...
2
votes
1answer
42 views

How does my spinal cord know to take reflexive action?

As in, how does my body know that a stove is not hot enough to warrant a reflex? Is it because there isn't a sudden electrical surge going through the nervous system?
4
votes
0answers
46 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.
9
votes
3answers
247 views

What causes dreamers to accept dreams as reality?

I have long had interest in dreaming, and one of the defining features of ordinary dreams is that the dreamer either accepts the dream as "real life", or does not question the surroundings. Compare ...
14
votes
3answers
430 views

Why do people fear statistically unlikely things?

Over 10 times more people die in circulatory diseases than accidents (source). Nevertheless people fear (in general) more accidents than circulatory disease. In addition, there are statistically even ...
4
votes
1answer
491 views

Is it possible to become addicted to sleep deprivation?

Background: After staying awake for an entire night without sleeping medication, some individuals report feeling tired while others report feeling euphoric and at some point begin to hallucinate with ...
2
votes
1answer
72 views

Which parts of the brain are used when identifying and sorting email messages?

When most people view their email inboxes, they'll see several different types of messages; for example, emails which have been auto-generated by services we use, communications with real humans which ...
3
votes
2answers
51 views

What speech synthesis software is suitable for research?

I'm looking for recommendations for speech synthesis software that can be used to generate audio stimuli. The audio stimuli that I'm trying to generate will be long sequences of isolated syllables. ...
2
votes
1answer
167 views

Are all psychological problems only biochemical in nature?

Are all psychological problems only biochemical in nature or do some 'mental' components ( that is some form of conceptual 'conditioning' caused directly or indirectly or 'subconsciously' by the ...
1
vote
0answers
30 views

Accuracy of methods for detection of dementia in EEG [closed]

I found these methods mentioned in bioengineering and other papers: Fractal Dimension Measure, Probability Density Function of the Zero-crossing Intervals, Approximate Entropy But I think every of ...
0
votes
0answers
15 views

Sleep deprivation effect on brain [duplicate]

I have a doubt reg. sleep deprivation. I did not sleep for past 24 hours(Because I did not feel sleepy),but slept the next day for full 8 hours. I do not feel the difference So my questions are, ...
5
votes
2answers
238 views

Is there a difference between visual short term memory and visual working memory?

As far as I can tell the two terms are used interchangeably. Do these two separate terms exist for historical reasons, or is there a distinction I'm missing?
2
votes
1answer
205 views

What causes impostor syndrome?

I couldn't find any valid information on what causes impostor syndrome. Are there any studies of it?
4
votes
2answers
78 views

Activity in a brain region and additional blood requirement: What is the causal relation?

May I know causal dependence of the blood flow in the brain? How it is determined by the brain that particular brain region requires additional blood?
3
votes
1answer
324 views

The mathematics of dreams, or better, the dreaming of mathematics

I know that the meaning of dreams is a controversial topic and I do not think that they have a specific meaning, although I am certain, by experience, that dreams are deeply connected with what ...
3
votes
1answer
207 views

What causes Capgras (“imposter”) Syndrome?

Capgras Syndrome is a rare disorder in which a person believes his or her loved ones have been replaced by identical-looking impostors (http://en.wikipedia.org/wiki/Capgras_delusion). What causes this ...
9
votes
10answers
2k views

Can the mind affect the physical brain? - a simple thought experiment

Scientists maintain that "a physical action requires a physical cause". However, if I am in deep thought about my dead spouse, for example, and a tear comes to my eye, how is it that the mind (thought)...
3
votes
0answers
24 views

A simple derivation of the generalization bounds for the classical perceptron model

I'm basically referring to the great work of Elizabeth Gardner in this matter. I find that her work is often overlooked in the field of neuroscience, arguably because it is too difficult to understand ...
7
votes
3answers
386 views

Why is sensory substitution not that successful

by successful I mean made it out to the large world market or being massively funded. After looking online it seems that the most relevant research is the one done by Bach-y-rita about the seeing with ...
8
votes
3answers
145 views

Are hallucinations a requirement for Schizophrenia?

The symptom most people think about when hearing "Schizophrenia" is hallucination. However, ICD-10's entry for schizophrenia seems to list auditory hallucinations as just one of many possible symptoms....
3
votes
1answer
492 views
3
votes
1answer
48 views

Performance of children at school in the morning

Our local council are changing the school day to 9:30 - 15:00 for my youngest son, my eldest in a different school starts at 8:20 and finishes at 15:20. I believe that children are more productive in ...
4
votes
1answer
80 views

Why is the order of brainwaves not labelled “alphabetically”?

The brainwave - frequency breakdown is as follows: Delta wave – (0.1 – 3 Hz) Theta wave – (4 – 7 Hz) Alpha wave – (8 – 15 Hz) Mu wave – (7.5 – 12.5 Hz) SMR wave – (12.5 – 15.5 Hz) Beta wave – (16 – ...
4
votes
1answer
95 views

Do depressed people think that they always thought in such a negative way?

I feel like I may have read or heard a finding that depressed people may get the delusion that they always used to think in such a negative way as has begun since getting depression. Is it so?
4
votes
0answers
65 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 ...
3
votes
1answer
94 views

Dichotic listening tasks and crosstalk

In a dichotic listening task where participants listen to different (frequency-wise) musical tones through headphones, is cross talk to the contralateral cochlea of each ear through bone conduction a ...
2
votes
0answers
43 views

Do people talk faster than they process? [closed]

I've hear both claims 1) people (in general) talk faster than listeners can process the meaning of the words being said 2) people can process what's being said faster than a person can talk I think 2)...
8
votes
1answer
286 views

Evidence that positive rewards are learnt faster than negative rewards?

Its folk psychology wisdom that its easier to reward positive behavior than punish negative behavior (e.g. any book on parenting or dog training), but is there any evidence in the cognitive science ...
2
votes
1answer
286 views

Do female victims of rape have an increased risk of becoming a sex offender?

It's said that men who are molested as children often become molestors when they get older. Is the same true of women who are raped? Is a female victim of rape more likely to become sexually warped in ...
0
votes
1answer
56 views

Do people with ADHD have reasoning abilities and mathematical abilities just like normal people? [duplicate]

Do people with ADHD have reasoning abilities and mathematical abilities just like neurotypical people ?
12
votes
2answers
358 views

What is the support for a global personality factor?

The Big 5 is a popular framework for describing major factors of individual differences in personality. More recently, I've been hearing people talking about the utility of conceptualising personality ...
11
votes
3answers
321 views

Are there third party providers of Mechanical Turk psychology experiment services?

For various reasons it can be difficult to run a Mechanical Turk experiment (i.e., you don't have the technical expertise, you don't reside in the United States, etc.) Have any third-party providers ...
4
votes
0answers
27 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 ...
2
votes
0answers
20 views

Dearth of research on treating Periodic Limb Movement Disorder (PLMD) with Baclofen

http://www.ncbi.nlm.nih.gov/pubmed/6721446 The above study from 1984 at Stanford found that oral administration of baclofen somewhat improved sleep in patients with PLM-associated arousals. The ...
1
vote
1answer
63 views

Are there cultures in which leadership/hierarchy does not exist?

Unproven statement: Human cultures depend on the concept of leadership/hierarchy. All the cultures I've seen until now depend on this concept. But I may be mistaked: It might be possible that my ...
4
votes
0answers
32 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 ...
1
vote
0answers
49 views

Success cause passion more than passion cause success [closed]

What are the good psychology studies about this hypothesis ? From an evolutionary standpoint, it would makes sense on a group level. When a few people starts doing a new thing, if one a them sees ...
5
votes
1answer
519 views

How many dendrite connections vs axon terminals does a multipolar cerebral neuron have?

I find countless places that say neurons have tens of thousands of "connections" or "synapses" and one axon. Do neurons have tens of thousands of dendrite connections, and a few axon terminals; or a ...
0
votes
1answer
69 views

Cognitive Dissonance [closed]

Given the following hypothetical situation: An individual discovers that his girlfriend has cheated on him, but decides to continue to date her after she assures him that she will not do it again. ...
3
votes
1answer
128 views

best book for cognitive science [closed]

I am computer science student and I have a limited knowledge about cognitive science. What books would give me a good introduction to the area?
3
votes
1answer
57 views

How to transform data to a frequency spectrum?

Recently, I studied a paper called "What Does Your Chair Know About Your Stress Level? It can be download at the link below. http://www.barnrich.ch/wiki/data/media/pub/...
1
vote
0answers
280 views

What are the 50 words on the Wechsler Test of Adult Reading (WTAR)? [closed]

I recently took part in a study that asked me to read 50 words that were spelled differently than they were pronouced, some more commonly used than others. Does anyone know where I could find this ...
2
votes
0answers
61 views

How can we use EEG data to predict urge of smoking?

I am from Computer Sciences background. The problem which I want to target is to be able to successfully predict (to a degree) that a person is going to smoke in near future. I have a brainwave ...
0
votes
1answer
30 views

Benefits of using more complicated neuron models in NEF models

The NEF allows you to use almost any neuron model as long as it has an equation for it's activity and it's spikes in some way. Usually, a simple leaky-integrate-fire (LIF) neuron model is used, but ...
3
votes
1answer
64 views

Can fMRI and EEG signals be generated from NEF models?

The basic function of the NEF is to map the outside world onto neurons, using the firing rates of the neurons. It also supports various neuron models. Have these firing rates been used to create EEG ...
4
votes
0answers
50 views

How does motivation relate to performance and to fun and to recognition?

Many studies indicate that for tasks that require cognitive skills and creative thinking, monetary reward does not work to improve performance. Rather, we should give people purpose, autonomy and ...
3
votes
1answer
1k views

What is the difference between a biological and behaviorist perspective in psychology?

I was recently reading through a textbook and was unable to clearly identify the differences between the two due to a vague definition of both. Can someone provide an in-depth explanation of the two ...

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