# All Questions

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### What's the term for this in psychology?

I learned about this but forget it's name. The idea is when people think hear a word or think of a concept they tend to come up with certain examples that fit the idea more than other. For example if ...
2 views

### What are the correlations between the facets of honesty-humility in HEXACO personality and the Dark Triad?

I was just reading some of the items in the HEXACO measure of personality. It seems to me that the "honesty-humility" factor is actually more naturally expressed in the opposite way. I.e., about three ...
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### Vigilance is an emotion?

I've always loved pondering emotion theories and usually agree with them, but Plutchik describes the intense form of anticipation to be Vigilance, and this is quite confusing to me. Vigilance as ...
59 views

### Can a hyperpolarized neuron fire action potentials?

Is there any chance that a neuron could fire when hyperpolarized? In that case, would the spike be different than usual?
50 views

### Can you learn a skill by observing someone else?

For instance, does watching an artist draw improve your drawing skill, even if you're not drawing along with them?
13 views

### Why is Potassium(K) important to neurology & the brain?

When researching the pharmacological mechanisms of action and interactions that various psychotropic drugs, poisons, neurotoxins, etc. have on the brain: I frequently see off-hand references to the ...
39 views

### Significance of 4 stimulus cards in the Wisconsin Card Sorting Test?

I've reviewed the papers by Grant, D. A., & Berg, E. (1948) and Fey, E. T. (1951). These papers from what I was able to find, lay out the basis of the Wisconsin Card Sorting Test (WCST). There ...
95 views

### What's the psychological basis for “Look at me when I'm talking to you”?

If a person is talking to another person and the other person is looking away but still listening, many times I've seen people insist by saying: "Look at me when I'm talking you" or Gently ...
15 views

### Empirical evidence of claim “some men just want to watch the world burn”

From the few surveys I read, criminals always had a "good-intention" justification eg. redistributing money to poor etal. In other words, they were always looking for something that benefits the world,...
47 views

### Isolating stable EEG data across all channels in EEGLAB

I'm working on some EEG data we collected using the Emotiv Epoc headset using 14 channel sensors. I need to isolate chunks of data where all 14 channels are stable (non-noisy) for a given length of ...
10 views

### Generate fMRI from neurotransmitter consumption

As mentioned in this answer, it's possible to generate an fMRI BOLD signal from neurotransmitter consumption. What equation would be appropriate for this use?
28 views

### How to help relieve test-anxiety in others

I teach, as a layman, young adult students who mostly try to get a degree part-time whilst juggling full-time jobs and small crumbs of left-overs of a private life. As it is hard for them to do rock-...
18 views

### Are there universal cat signaling gestures?

I've recently became aware that many aspects of human behavior can be explained in terms of signaling theory, where we send each other signals of our fitness, personality qualities and status. For ...
15 views

### Which type of chemicals in my brain should I increase in order to become more competitive? [on hold]

I know that Testosterone is one of the hormones in men responsible for competitiveness and aggressiveness, but it's not the only, and getting higher levels of T most likely won't be enough. I wonder, ...
179 views

### What processes underlies confidence ratings in cognitive decision-making?

Many experiments in cognitive psychology and other domains ask for confidence ratings (e.g., on a 0-100 scale, 100 meaning "I'm sure I experienced this stimulus"). What accounts describe how these ...
53 views

### Are women better at multitasking?

I've observed multiple occasions where females are better at multitasking than males. It's not rare to see a lady driving a car, doing her make up and talking on the phone at the same time. Once I ...
20 views

### Is there a cognitive bias which describes expert communities' overestimation of their potential impact?

I was recently trying to argue that the Democratic National Committee's efforts to undermine the Bernie Sanders campaign were probably ineffective, and that those who attempted to do so probably ...
15 views

### What statistical method to compare bilinguals and monolinguals on a task switching task?

I have data from my experiment where two groups participated (monolinguals vs. bilinguals). There was a language switching as well as a task switching part to the experiment where the data tells how ...
9 views

### Tests to Assess Collaboration Skills

We are trying to map people collaboration skills and aptitudes, in a business context. In particular we are interested in the following personality traits: Intrinsic Motivation Attitude to risk ...
31 views

### Differential diagnosis for shortness of breath from anxiety

Unexplained or difficult to explain shortness of breath seems to be blamed on anxiety very frequently despite lack of diagnostic evidence, especially in individuals with psychiatric conditions. This ...
12 views

### Convention for selection of summary slices in fMRI

Looking at papers, I often see an fMRI volume summarised by taking a single axial, sagittal and coronal slice (typically in MNI152 space). For an example see Figure 1 in de Bie et al, 2011 [1]. The ...
35 views

### How accurate is this graph about learning curve and spaced repetition system?

This graph is taken from the article from Wired about Piotr Woźniak and his spaced repetition learning software SuperMemo: Want to Remember Everything You'll Ever Learn? Surrender to This Algorithm ...
2k views

### Which equation is Ebbinghaus's forgetting curve and what do the constants represent?

First off, I've come across two different forgetting curve equations. $$R = e^{-\large \frac{t}{s}}$$ where $R$ is retention, $t$ is time and $s$ is strength can be found on Wikipedia. And b = \...
36 views

### Is forward associated with right and backwards with left?

The following is an observation I made in an informal sample group of about 10 people. I am looking into understanding the behavior I observed. Here is the setting: On a computer keyboard there are ...
41 views

### Are there psychiatric medications that have an anti-tolerance effect?

Patients usually develop tolerance to their psychiatric medications when used over a long period of time. This is because of how the brain gets used to the dosage in order to reach equilibrium again. ...
804 views

### Is there psychoactive music?

Listen to this music for X minutes to observe Y result. Is there something like that that has been demonstrated to work for general public? The only example of an experiment that is similar that ...
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### What are some explanations for the relationship between social and spatial mapping?

Background: A study published last summer in the journal Neuron found that when participants were tasked with finding a new home and job by interacting with characters in a virtual roleplaying game, ...
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### Why do we have so much neurological research on and treatment designed for dyslexia, yet less so for dyscalculia?

I know next to nothing about intervention methods designed for dyscalculia, or 'dyslexia with numbers', as I have heard it colloquially referred to (considering how obscure the term seems to be ...
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### How to test a theory that explains a psychological phenomenon using evolutionary arguments? [on hold]

I'm a non-psychologist so would appreciate any guidance from this community. I've heard arguments that people have overconfidence, probability matching tendencies, etc, because that is chosen by ...
59 views

### Can brainwaves from EEG be used to measure enjoyment of media?

It seems to be very hard to figure out automatically, what content I will enjoy and what content I will not enjoy. Of course, there are methods that require me to sit in front of a computer and press ...
4k views

### What brain wave states are associated with hypnosis?

What brain wave states are most correlated with deep hypnosis?
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### What is the difference between 'stereoscopic depth' and 'crossed/uncrossed disparity'?

What is the difference between stereoscopic depth and crossed/uncrossed disparity, and specifically in terms of their use in the methods to manipulate visual stimuli to investigate depth-perception?
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### Why the craziness about pokemon go? [closed]

I guess that everyone here is informed about the release of that videogame and the consequences it's having that pretty go far beyond for what's normal for any videogame in most people (there are ...
21 views

### Do STDP synapses potentiate AND depress at the same time?

Do STDP synapses potentiate and depress at the same time? Consider the following scenario where two cells are connected by an STDP synapse: PRE and POST. PRE cell fires two action potentials 2 ms ...
3k views

### Why is the order of white/grey matter different in the brain and spinal cord?

In the brain proper, grey matter forms the outer layer of the brain, and white matter forms the inner layer. In the spine, this is reversed: white matter forms the outer layer of the spine, and grey ...
41 views

### Why do thoughts take a non-zero length of time? [on hold]

I was staring blankly at my desk thinking about how to overcome a programming task at work when it suddenly dawned on me I had spent the best part of half an hour trying to envision how this problem ...
48 views

### What is the scientific definition of Introversion/Extroversion?

Personally I believe introvert and extrovert are one of the most thrown around and misused words. I would go as far to say as what they mean in common everyday English is not the same as what they ...
102 views

### Is it possible that people perceive time differently than others do?

All of my life I have been told to be more patient, to stop "racing through life", etc. Happily, I am finally mature enough to accept that as solid advice, but I am curious as to whether it is ...
25 views

### how to comprehensively assess three areas of cognition (attention, reaction-time, memory) on a daily, personal basis, preferably online,? [on hold]

I am attempting to figure out a battery of tests that I can perform on myself on a daily/weekly basis to test whether any intervention I attempt on myself actually improves my cognitive performance. ...
52 views

### Why cute things make us want to touch it?

Why when we see a cute cat or dog, we immedietly want to make physical contact with it (touch, hug, smell, etc.)? Does brain percives cute things somehow like food? Or maybe it triggers parent-child ...
24 views

### Human brain v/s computer: speed comparison?

We can't compute (speaking of some of the functions a computer can perform ) as fast as a computer. Where does this shortcoming stem from- working memory or clock frequency perhaps comparable to the ...
156 views

### Academic Background for Switchtracking Phenomenon

In one recent episode of Hidden Brain podcast, they talk about a pattern in conversation called "Switchtracking". It references to the the "Thanks for the Feedback" book by Douglas Stone and Sheila ...
4 views

### Can lithium withdrawal cause parathesia upon withdrawal?

Why would paresthesia develop after an individual is withdrawn from lithium due to chronic critical toxicity and continue for a protracted period of time? Is this a result of some kind of damage or ...
359 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 ...
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### Expanding some memory type? (It's highly specific) [on hold]

Speaking of all the research that has ever taken place in the various brain sciences and its implications, what are the known and verified or unverified but seemingly convincing ways to expand the ...
13 views

### Is there a term for when a person offers your services at no cost to them? [closed]

Ok so imagine you and a friend (John) are at a party and it is time to leave. John has made another friend there that doesn't have a lift home. John says to them that YOU will give them a lift home. ...
27 views

### How to calculate the confidence interval for $d^\prime$ (d prime)?

I have an experiment with $N$ signal trials and $M$ no signal trials and I have measure the number of hits $nHit$ and the number of false alarms $nFA$. From this I can compute the probability of a hit ...
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### Problem with IQ tests in Murray's “The Bell Curve”?

Murray's The Bell Curve came up in a discussion recently. I have a very clear memory of reading a review of the book at the time it came out. The reviewer claimed that one of the many problems with ...