3
votes
0answers
16 views

Projective tests today

I’m thinking about introducing to my practice some new tests for family relationship evaluation. There are not so many projective tests in this matter. I'm particularly interested in Family Relation ...
3
votes
2answers
86 views

Brain's differences in introverts vs. extroverts

I know that introverts have a higher sensitivity to dopamine, for example. Are there are other chemical and neuronal differences?
2
votes
0answers
8 views

Is perceived time compressed or expanded while dreaming? (or does it match reality) [duplicate]

I often dream long extended dreams. Sometimes I wonder if the timeline of the story of my dream occurs compressed, in a moment, or other times extended slowly over a long duration. Is there any way ...
11
votes
4answers
22k views

Why do people laugh in serious situations?

I've seen people (including myself) that laugh for no apparent reason in really serious situations, such as in an argument or when receiving bad news. Although the other party is clearly very upset, ...
14
votes
4answers
1k views

Why is the sound of fingernails on a chalkboard so intolerable?

I am curious as to what current research shows regarding why scraping noises such as fingernails on a chalkboard, a knife/fork scraping against a plate, metal grinding against metal or stone etc are ...
5
votes
2answers
6k views

What is the difference between implicit and explicit attitudes?

Although it is clear that implicit and explicit attitudes are not same, how do they differ is not. I believe establishing the relation between them would surely help deducting it's meaning in context ...
3
votes
1answer
50 views

Combining unbiased hit rates

I am analysing data on an emotion perception task, where participants must decide if a given face is happy, sad, angry or fearful (essentially a forced choice between 4 options). I am confident that ...
2
votes
1answer
62 views

How to interpret intelligence test scores for an individual who has taken a test multiple times in quick succession?

Specific context: A test subject took the same Raven's Standard Progressive Matrices IQ test three times and first scored 115, then 107, and finally 143. The same test was taken three times within 3 ...
4
votes
1answer
61 views

Has the inverted spectrum thought experiment ever been conducted (and if not, why)?

The inverted spectrum thought experiment posits that you (the subject) wake up one morning to find that your colour spectrum (or some part of it anyway) has inverted. This experiment has important ...
4
votes
2answers
53 views

How should I report results of a likelihood ratio test?

I'm using likelihood ratio testing to assess whether a behavioral model is a better description of my data than a simpler (so called restricted) model. How should results of such statistical tests be ...
1
vote
0answers
21 views

Is continuous split or meta - awareness a scientifically supported concept?

There are a number of spiritual practices that practice self-awareness and continuous awareness of one's thoughts and actions (for example the teachings of Ekhart Tolle): Tolle writes that "the ...
2
votes
0answers
26 views

Is it really possible to “go too deep inside the killer's mind”?

We've all seen it in film and hour-long format TV dramas, a brilliant criminal profiler, seen as the best in his field by their peers, delves 'too deeply' into the mind of the ...
3
votes
0answers
30 views

Why do people bite their nails even when they do not want to?

Why do people bite their nails? People seem to be doing it primarily while contemplating something, or during problem-solving tasks. They seem to understand it is a bad habit, and sometimes they seem ...
3
votes
0answers
29 views

Are there any mental activites that can be detrimental for intelligence?

It is well known that we get better at the things we practice, but is it possible to stimulate the brain with activites in such a way that general or spesific intelligence is weakened? Also, are ...
1
vote
0answers
29 views

Paradox or contradiction?

If someone does not believe in ghosts, for example, why do they experience feelings of fear at the thought of such things? Is such thinking paradoxical?
2
votes
3answers
83 views

IQ and Performance in Different Fields

Suppose a person is considered intelligent based on his IQ score. For example, suppose Bob has a high IQ score and is very interested in pure mathematics. He would most probably excel in this field. ...
2
votes
0answers
22 views

How Do Those With Antisocial Personality Disorder Fair In Solitary Confinement?

Are there any examples of those with antisocial personality disorder, or people in general, faring relatively well in solitary confinement? The general consensus seams that solitary confinement is ...
2
votes
2answers
69 views

Does self-compassion have negative consequences? [closed]

Self-compassion is often compared with self-esteem and it seems that self-compassion is more effective and positive than self-esteem. A lot of studies have shown that excessive levels of self-esteem ...
0
votes
0answers
16 views

Correlation between Math and Good Computer Programmer

I don't know if I'm asking a right question but I would like to give a try. Is there a correlation between good/professional computer programmers and courses in math (Linear Algebra, Single Variable ...
2
votes
0answers
21 views

Are results of various cognitive tests meaningless if the subject has achieved them through training?

What I mean by meaningless is whether or not they lose their predictive power outside of the specific test employed to evaluate some facet of cognition. I don't study the cognitive sciences, but ...
0
votes
0answers
19 views

Can someone clarify whether the term “heuristic” as used in psychology can be used to refer to an intentionally chosen strategy?

In my cognitive psychology class, we discussed heuristics. An example of a heuristic is loss aversion. Thus, in this context, a heuristic seems to be a general rule of thumb for how people behave. ...
1
vote
1answer
70 views

How does the physical brain know about qualia?

Qualia are phenomenological (the subjective experience of the physical activity of the brain). But how does phenomenology feed back into the activity of the brain? That is, how can the physical ...
1
vote
2answers
66 views

Result of local stimulation in brain

What happens when we stimulate a brain in local regions? Some possibilities: We may trigger an action without the subject's awareness of the action; We can trigger an action in a subject, but we ...
2
votes
0answers
73 views

What are the different branches of Psychoanalysis?

I am trying to make a list of the main accepted branches of psychoanalysis to quiz a friend of mine. I don't know much about it and to learn more I need to know the main areas. So far I have ...
1
vote
0answers
33 views

Can having multiple personalities help productivity and decision making under pressure? [closed]

I understand having Dissociative Identity Disorder (DID) is not good thing but what about a mild dosage of DID under control, can it help? I am not referring to different roles that same person can ...
2
votes
0answers
16 views

Lack of symmetry in synesthesia?

Some report seeing loud noises as bright flashes. However, in the same person, bright flashes of light are not reported as being loud. I've read of other examples like this; for instance, the number ...
2
votes
0answers
20 views

How does oxygen deprivation affect neural activity?

It is increasingly common for someone to regain a heartbeat after a cardiac arrest. During the time that the person is without a heartbeat, and so without circulation, the brain is deprived of oxygen. ...
2
votes
0answers
8 views

Spontaneous muscle twitching?

I am trying to understand the role of whisker twitches during sleep in the development of the mouse brain, and in general the role of spontaneous muscle activity in brain development. Thing is, I am ...
1
vote
1answer
22 views

Anti-psychotic medication withdrawal-induced psychosis

Can psychosis result from anti-psychotic medication withdrawal for a non-psychotic patient? That is, a patient that takes anti-psychotic medication for off label reasons, such as treatment-resistant ...
4
votes
1answer
38 views

Hearing Loss and Potentially hearing more

I've been diagnosed since I was younger (2nd grade) with a hearing impairment. Basically the nerve hairs on my cochlea are burned and I don't pick up 70% of the frequencies around me in my right ear. ...
6
votes
2answers
83 views

Is modality-specific working memory capacity correlated within individuals?

The multi-component model of working memory posits different processes for phonological and visual working memory storage. Working memory capacity can be measured in a variety of ways (see: How to ...
5
votes
0answers
35 views

What exactly is an astroglial calcium wave?

There are quite a few conflicting reports as to what stimulates them, how they propagate, whether they communicate intercellularly, and what they look like. The only consistent information I can ...
3
votes
1answer
21 views

Difference between active and passive touch?

I am considering the role of whiskers in the development of the mouse brain, and came across the following: 'we found that the signals sent to the brain by the whiskers during active touch differ from ...
3
votes
3answers
272 views

Is there scientific evidence on the benefits of binaural beats?

When two coherent sounds with nearly similar frequencies are presented to each ear respectively with stereo headphones, the brain integrates the two signals and produces a sensation of a third sound ...
9
votes
5answers
491 views

Does an exceptional working memory inhibit intelligence?

According to the Fox News article "Chimps Smarter Than Humans in Memory Test" chimps were able to significantly outperform humans in a simple working memory task. I quote one part of the article in ...
0
votes
0answers
31 views

Human brother sister bonding

In a group of male individuals ,they can comment together on sexual aspects of other female species but a male individual is easily infuriated when the subject of such conversation is his sister. ...
8
votes
0answers
62 views

Open magnetic resonance imaging datasets on psychosis?

Are there any open magnetic resonance imaging datasets of normal and healthy adults (as controls) and psychotic subjects? Such as ADNI for Alzheimer's or OASIS for aging.
2
votes
0answers
19 views

Computer-based cognitive tests

Maybe someone can point me out on the computer-based set of tests to assess the cognitive abilities of the adults? I am looking for something like ETS cognitive tests KIT that can be used online for ...
4
votes
3answers
136 views

Is it possible to master two different typing keyboard layouts?

I am a good typist with qwerty keyboard, I came across other keyboard layouts (eg: Dvorak keyboard). I believe I will never be able to master these two typing layouts simultaneously. Am I right? or ...
1
vote
2answers
140 views

Can a depressed person experience the sense of happiness?

Has anyone every truly lost their sense of happiness or maybe love? I realize a negative condition like depression can make it seem like it is only possible for one to be sad. Is it possible for ...
1
vote
4answers
138 views

If a human brain would be placed inside that of an animal: Could it talk?

Assumption: Animals can't talk 'human' because of their small(er) brain. Perhaps a strange thought, but I was really wondering: If we could place a human brain inside that of an animal: Would we be ...
1
vote
0answers
30 views

Optimal way to choose a number to be close to a randomly generated number

The basis game: A number between 1 and 100 (presumably an integer) is randomly generated. You, along with other people, choose a number between 1 and 100, without knowledge of the other numbers ...
7
votes
2answers
187 views

Why do people often do unnecessary things while performing a main task?

And this is not about procrastination (I'm almost certain). I've been noticing it since childhood that people (me included) tend to do unnecessary side activity, especially if they're invested in the ...
3
votes
3answers
53 views

Qualitative scoring for responses to design fluency task

Before I can ask my questions, I have to give a little background information. I'm involved in a study using a measure of design fluency. Subjects are shown a page full of squares, like the one ...
11
votes
2answers
358 views

Fitting a psychometric function when data does not lend itself to a sigmoidal fit

I'm fitting a psychometric function to a range of data. The majority of this data lends itself to a sigmoidal fit (i.e. participants can do the task), but some individuals are absolutely unable to do ...
1
vote
1answer
36 views

Studies of how people learn to solve puzzles

I would like to build a cognitive model that is able to learn how to solve a complex puzzle such as the tower of Hanoi based off of limited feed-back (set of valid moves, closer to goal, farther from ...
3
votes
1answer
55 views

Analysis of RTs when speed-accuracy trade-off leading to ceiling accuracy has occurred

I know that it is not desirable for behavioural data to show a (within-subjects) speed-accuracy trade-off, as it can lead to e.g. the wrong interpretation of a single subject's decreased RTs as ...
21
votes
2answers
4k views

How to reliably measure working memory capacity?

The capacity of human working memory is subject to individual differences. The number of items or chunks a person can retain in their memory may, have profound effects on a variety of other cognitive ...
1
vote
0answers
8 views

Talk for lay audience: determining private traits and attributes from online behaviour

This question was referred from Cross-Validated Stack Exchange: I need to give a talk on statistic / machine learning as applied to determining an individual's traits and attributes from online ...

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