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 ...
3
votes
0answers
73 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 ...
3
votes
0answers
35 views

How does conscious rational internal thought gets initiated - what gives rise to it on any given day?

I'm reading a book called "The power of now" by Ekhart Tolle, and in that book he suggests that internal dialogue/monologue/planning/judging can be first observed, then disidentified with and ...
3
votes
0answers
63 views

How effective are online providers of paid participants for psychological experiments?

I'm looking for places to recruit participants for online experiments, and in particular, for experiments using Inquisit Web. My lab used to recruit participants through M-Turk but that's no longer an ...
3
votes
0answers
20 views

Is there a criteria in the design of a cognitive control task (Flanker task with letters H and S)?

In this task, there are 4 trial types : congruent (HHHHHHH, SSSSSSS), incongruent (SSSHSSS, HHHSHHH). In order to collect enough ERN (error-related negativity), a component elicited after an error, ...
3
votes
0answers
74 views

How do patients with Cotard's Syndrome rationalize environmental interactions?

A patient with Cotard's Syndrome (also called "Cotard delusion" and "Walking Corpse Syndrome") has the delusion that he or she is dead (and sometimes immortal), either figuratively or literally, yet ...
3
votes
0answers
70 views

Can long-term antidepressant use reduce memory and emotion?

Can long-term (~3-4 years) antidepressant use reduce memory and emotion?
3
votes
0answers
44 views

Research on gift structure and satisfaction: one large gift or two small ones?

I'm familiar with some research into the subject of gift giving, for example Dan Ariely suggests that giving cash is less effective than buying somebody something. Other studies show that money spent ...
3
votes
0answers
43 views

How do mammals explore state spaces in reinforcement learning tasks?

Reinforcement learning is the act of learning how to preform a task given punishment and reward. A "state-space" is the space of choices in a context. When performing a reinforcement learning task, is ...
3
votes
0answers
31 views

What neurophysiological mechanisms are typically associated with distraction?

I've been looking into focus aids and I've come across some music which markets itself as entertaining your "limbic system". Although it's been asked before how music can affect mental states, I'm ...
3
votes
0answers
47 views

Are there parts of the brain which don't change over a lifetime?

We know that during our lifetime the brain develops new neural connections and also there is pruning of neural connections. These phenomena together are called neuroplasticity. Is there any research ...
3
votes
0answers
43 views

Research on computational models of physiological mechanisms in affective neuroscience at a biochemical level

As computational neuroscience has the mainstream on single neuron/network modelling for biochemical aspect, and computational modelling of physiological mechanism of hippocampus for analytic study of ...
3
votes
0answers
41 views

Where to find images of the same faces with and without glasses for experiment?

I am looking to replicate the findings of Leder, forster, and Gerger (2011) in their publication of the glasses stereotype revisited. I intend to examine the same conditions of no-glasses, rimmed ...
3
votes
0answers
20 views

What changes brought into DSM-5 have increased therapeutic use of medications?

Given the controversies surrounding DSM-5, has there been any research into its impact on prescription practice (in the United States)? If so, what are the changes that have resulted in increased use ...
3
votes
0answers
58 views

How does diet affect OCD?

Background: I have read that caffeine is not a good drink for sufferers of anxiety disorders. This is common sense given that it may increase agitation. I noticed when I started a low carb diet that ...
3
votes
0answers
50 views

What neurotransmitters can be suppressed/promoted by tDCS

Transcranial Direct Current Stimulation (tDCS) has been shown to modify suppression in the visual cortex and GABA suppression in motor control. As of now, the exact neurobiological mechanism that ...
3
votes
0answers
488 views

Do highly creative people dream more and/or differently than ordinary people?

Everybody dreams, and I'm trying to understand if there is a cause and effect relationship between ability to dream and recall dreams and creativity as an adult. I would define the kind of ...
3
votes
0answers
44 views

Physiological mapping of frustration

What physiological changes are seen in the brain when a person is experiencing frustration? What effects do these changes have on learning? Optional background: I'm trying to figure out an ...
3
votes
0answers
57 views

Detecting signs of dementia in EEG signal

I would like to know, how dementia can be recognized in the EEG signal of patients with dementia. What I have found so far: According to (Henderson et al., 2006) subjects with dementia are ...
3
votes
0answers
32 views

What's the purpose of worry [if there is any] and how and why does it affect cognitive skills?

I've read some articles lately about worry and how there are basically two types of worry: one doesn't last long and makes you decide to do something ,solve a problem,act on it the other one last ...
3
votes
0answers
63 views

Can a person be able to objectively identify when and how their thinking process is being affected by cognitive biases?

or years, I've always thought I can do a pretty good job of identifying when I have committed a bias, fallacy or some other heuristic. I'm not saying I avoid them, but at least can admit to myself I ...
3
votes
0answers
57 views

How to measure your stress levels?

If someone has eutress it supports his/her mental development and learning of new skills. It is so called optimal level of stress as illustrated in the figure below. Are there any ways to measure ...
3
votes
0answers
46 views

How does neurotransmitter distribution and usage vary thought the brain?

I understand that neurotransmitters are used to send signals between neurons in the brain and that some are used for rather specific functions. However, is the exact ...
3
votes
0answers
40 views

What's the difference between divisive and soft normalization?

I know that recursive neural integrators (let me know if I need to clarify this term) can be considers soft normalizers, since their feedback loop means that any stimulus eventually saturates the ...
3
votes
0answers
80 views

What happens inside our body, when we experience betrayal and infidelity?

I guess many of us have experienced it. The moment that you understand that "the person you love, in whom you've trusted, is now with someone else, enjoying every moment with him/her". It's so ...
3
votes
0answers
383 views

Difference between forms of Culture Fair Intelligence Test (CFIT) scale 3

I would really like to know what are the differences between the form A and form B of Cattell's Culture Fair Intelligence Test scale 3? To my knowledge (reading the "methods" section in the ...
3
votes
0answers
45 views

Can microdialysis be made in Drosophila melanogaster?

Microdialysis is a common method to study the effects of drugs on specific mamal brains zones (mostly in rats), in order to study the it's interaction with the function of those specific areas that ...
3
votes
0answers
60 views

Effects of Social Networking websites on Humans?

What are the effects of social networking websites in the evolution of humans (behavioral, intellectual, etc.)? Have their been any studies (published research, articles) on positive or negative ...
3
votes
0answers
56 views

What is the source for the W3C's Contrast Ratio formula?

The Word Wide Web Consortium (W3C) has a formula for the contrast ratio of any two arbitrary colors, which they use to set minimum standards for text legibility: ...
3
votes
0answers
58 views

What method(s) are available which demonstrably increase a person's g factor, (assuming such are available)?

Following up on this question: What method(s) are available which demonstrably increase a person's* g factor, (assuming such are available)? (*if a specific target individual is necessary to respond ...
3
votes
0answers
55 views

ADHD Symptoms Emerging in Adolescence or Young Adulthood

I recently read a fascinating article about the pattern of young women receiving ADHD diagnoses after first displaying symptoms in their late teens or early twenties, typically corresponding to ...
3
votes
0answers
112 views

What are the average raw scores, and standard deviations for the WAIS-IV subtests?

What are the average raw scores, and standard deviations for the WAIS-IV subtests (scores are normalized)? For example, the digit symbol task gives you 120 seconds to substitute as many digits for ...
3
votes
0answers
51 views

average attention time and attention compensation time

Is there any good source for statistics regarding average attention span? More specifically- what is the average attention compensation time, meaning- how long does a person need to rest in order to ...
3
votes
0answers
15 views

Could motivational interviewing techniques be used without engaging with a counselor?

I've found lots of info on motivational interviewing for strengthening a person's own motivation and commitment to change, but I'm wondering if this technique has been adapted to help people who won't ...
3
votes
0answers
32 views

What does current research tell us about addictive behaviors in games?

I'm creating a game, and I would like to know what research I can consult to make it more "addicting". The game is a casual one, like Candy Crush, Angry Birds, etc
3
votes
0answers
106 views

Does the self-reference effect extend to improved recall of 2nd-person text vs. 3rd-person text?

The self-reference effect has been widely researched in marketing for its ability to improve how favorably consumers remember a message, but less so for its ability to improve recall and learning of ...
3
votes
0answers
1k views

Is it true that drinking water before bed causes dreams to be more vivid?

Pavan Teja says on Psychtronics: Drink a lot of water. The more water you drink before bed, the more vivid your dreams. Is this true? Is this because I'm more alert not to, you know, and ...
3
votes
0answers
221 views

How does the body experience free-fall during a hypnic jerk

Today I learned that a sudden jerk that you sometimes experience when you are just about to fall asleep due to a sense of free-fall or weightlessness is called a hypnic jerk. If, while sleeping, I ...
3
votes
0answers
135 views

Correlation between anorexia and mass media stereotypes

I know anorexia is a complex phenomenon. I've been reading on Wikipedia that: Sociocultural studies have highlighted the role of cultural factors, such as the promotion of thinness as the ideal ...
3
votes
0answers
149 views

Progress on Arnheim's perceptual forces in vision

In the second edition of Rudolf Arnheim's Art and Visual Perception: A Psychology of the Creative Eye, published in 1974, the opening chapter on "balance" begins with a discussion of "perceptual ...
3
votes
0answers
52 views

Do any supplements or psychoactive drugs for improving memory have solid long term research?

The non effects of vitamins has been in the new frequently recently. Do any supplements or psychoactive drugs for improving memory have solid long term research?
3
votes
0answers
142 views

Frequency in Human sexuality bisexual polyandry and polygamy and others?

I've been studying human sexuality and I have a question which I do not know the answer nor do I exactly know how to research. In the psychology of human sexuality specifically bisexuals what ...
3
votes
0answers
79 views

What are some theories on Cognitive model of Human Imagination?

I have no knowledge about neuroscience but recently I was wondering what is the cognitive model of human imagination? How does the human imagine things that don't exist? Suppose I ask anyone to ...
3
votes
0answers
69 views

What evolutionary process(es) are thought to have enabled humans to experience dreams?

As some theories suggest, most, if not all, biological features in organisms exist due to environmental factors that trigger the organism's eventual adaptation to these factors for survival purposes. ...
3
votes
0answers
61 views

Muscle tone and default heart rate - psychological conclusions?

I know that muscle tension and heart rate goes up as we get stressed, but what if in normal conditions some have a lower heart rate and muscle tension while others higher? Does this say something ...
3
votes
0answers
220 views

How has psychology categorised different types of love?

How has psychological theory categorised the different types of love? What taxonomies of love are most accepted or useful in psychology? EDIT: I went through Triangular theory of love. Are there any ...
3
votes
0answers
32 views

When falling asleep does one always start with NREM1?

After my admittedly short research I could not find information which states that if a person is disturbed while their sleeping, let's say in NREM3 phase of their sleep cycle, and wakes up and then ...
3
votes
0answers
165 views

Spontaneous change of handedness

I read this question Are there benefits to learning to write with your non-dominant hand?. It got me thinking. Disclaimer: This is not a self help question I am using myself to illustrate the ...
3
votes
0answers
27 views

What is the proper terminology for “hoarding” type paradox (but not extreme)?

Feel free to edit my title -- I'm not exactly how to sum it up in one sentence, THUS my question here: Is there a name or specific terminology related to the somewhat paradoxical situation in this ...
3
votes
0answers
354 views

Why do power laws describe learning and skill acquisition so well?

In humans, why do powers laws describe skill acquisition? In particular, $$RT = aP^{-b}+c$$ where $RT$ is reaction time and $P$ is amount of practice. Does the power law generalise to learning in ...

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