1
vote
1answer
13 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 ...
3
votes
0answers
24 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
37 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?
3
votes
0answers
35 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.
12
votes
1answer
675 views

Can you catch up on lost sleep?

The lack of sleep has many negative effects associated with it. Maintained sleep deprivation results in a degraded performance over time (in this case reaction time). Assuming one needs 8 hours of ...
1
vote
0answers
21 views

Is it necessary to read signals and systems before statistical signal processing/ detection theory

For one who is interested in computational neuroscience and brain computer interface, in university curriculum (e.g. BCCN Berlin), it requires a course in statistical signal processing / signal ...
6
votes
3answers
193 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 ...
8
votes
3answers
151 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
129 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
38 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
41 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. ...
0
votes
1answer
75 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
17 views

Accuracy of methods for detection of dementia in EEG

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
11 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, ...
3
votes
2answers
76 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
124 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
68 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?
0
votes
0answers
14 views

Smallest neurons [duplicate]

What are the smallest measured neurons ever measured in the animal kingdom? I did some research but couldn't find a definite answer. In us, it's the cerebellar granule cell as far as I know, but I'm ...
1
vote
1answer
53 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 ...
0
votes
1answer
20 views

What did Jung's patient find out?

I'm reading Dreams by Carl Jung, and I couldn't understand a specific paragraph. Maybe I'm missing something so obvious that he didn't bother to write. It is the entry numbered 542: What did the ...
1
vote
1answer
58 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 ...
3
votes
0answers
49 views

What are the practical uses of ontologies?

I have read many papers and books about ontologies and I am trying to figure out that how they are used in a real project? For example how the ontology for a soccer player robot can be defined and ...
7
votes
10answers
1k 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 ...
1
vote
0answers
13 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 ...
6
votes
3answers
151 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 ...
4
votes
2answers
120 views

Why do battered persons love their partners?

Many persons who have been beaten by their partner, no matter how violently, claims that they do not want to leave their abusive partner because they still love them. A common phrase is: "I love ...
8
votes
3answers
98 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 ...
1
vote
1answer
138 views
2
votes
1answer
34 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
47 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
57 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
1answer
121 views

What causes an inability to recall a melody, beat, or music?

Background: I have never been able to recall melodies to songs. I can play a song over and over again but the moment it stops, I cannot remember what it sounds like. I am referring to the ...
3
votes
0answers
32 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
31 views

Are overweight people more prone to procastination?

I came to think of how working out requires a will to "get things done". Some people are successful in their career while working regularly out at the same time, and some people are procrastinating ...
4
votes
1answer
122 views

Has there been any serious research on subliminal messaging?

I certainly don't question the existence of subliminal perception which has been demonstrated many times in priming studies like those of Daniel Schacter and many others, nor do I reject the notion of ...
3
votes
1answer
82 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
24 views

Do people talk faster than they process?

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 ...
3
votes
1answer
52 views

Is it conceivable to transmit all sound information in the tactile modality?

You may have heard of Evelyn Glennie, an acclaimed solo virtuoso percussionist. She has been profoundly deaf from the age of 12, but learned to differentiate pitch tactilely. She had absolute pitch, ...
5
votes
1answer
104 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 ...
1
vote
1answer
213 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
28 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 ?
1
vote
0answers
29 views

What is bispectrum?

I am working on a project that uses EEG signals of the brain to identify emotional states. While surveying the literature, I came across several references where "derived features of bispectrum" are ...
10
votes
2answers
265 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
228 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 ...
2
votes
1answer
53 views

What is so “potential” about action potentials?

When an action potential is propagating through a neuron, it seems to me that the time for "potential of action" is over, and that we are now just in a state of "action". Why don't we just call action ...
5
votes
0answers
51 views

Is there a way to avoid false memories?

I saw a video on how interrogators used manipulation on the victim/criminal which lead to innocent people being arrested and one way of doing that was using false memories in which the person was ...
2
votes
1answer
49 views

Explanatory gaps in the formation and propagation of action potentials

To my understanding, the steps of an action potential are as follows: The neuron is at rest--there is a negative charge (K ions) inside the cell, and a positive charge (Na ions) outside the cell. ...
3
votes
0answers
18 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 ...
3
votes
0answers
12 views

What is the most comprehensive model of executive control?

Wikipedia has a nice summary of the various models of executive function, but what is the most comprehensive one? That is, the one that accounts for the most cognitive variations among subjects and ...
1
vote
0answers
6 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 ...

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