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12 views

Stimulus design for fMRI experiment (face images)

I'm a cognitive neuroscience student designing a functional magnetic resonance imaging (fMRI) experiment based on the Flashed Face Distortion Effect (https://vimeo.com/27138942). The goal of the ...
22 views

Gutenberg technology effects on human psyche

McLuhan is claiming that Gutenberg technology was the reason of human psyche fragmentation, primitivism and social conformism. I am trying to find links between Gutenberg technology and the phenomenon ...
34 views

Why humans like to rank things, make lists etc.?

I was wondering if anyone can provide some scientific explanation on why humans seem to like organising (cultural) items in arrangements such as lists, rankings, best-ofs etc. Some reference to ...
15 views

Do changes in IQ reflect changes in “general intelligence”?

Has anyone asked whether adult normal fluctuation in IQ scores represent changes to general intelligence? Would changes to g suggest that g is not always the most general intelligence? If its measure,...
64 views

Is there a consensus that there are racial differences in IQ scores?

I'm not asking whether the difference is genetic or environmental, or if IQ scores are a racist and flawed measure of intelligence. Is there a consensus that today, in e.g. America, there are ...
85 views

Is Melatonin necessary to sleep?

Consider a scenario where a person's melatonin secretion gets inhibited (and that person also don't get external melatonin); Will this person feel sleepiness and a desire to sleep? Or, since that ...
27 views

How to assess the effect of individual difference measure on quadratic fit of a within-subject factor?

In my task, there are 8 levels of a within-subjects/repeated measure factor. The overall relationship that this factor has with the DV is in the shape of an inverted-U, such that their DV scores at ...
11 views

How many hours per day our brain can learn? [duplicate]

I am interested to know if there are researches about how many hours per day our brain can learn new things? Are there any constrains for brain or we can train our brain to learn as much as we study ...
45 views

What recreational drugs have especially negative interactions with bipolar disorder?

I'm trying to find out which recreational drugs have the biggest negative interactions with BD (bipolar disorder types I and II) but haven't been able to find strong research. I especially ...
16 views

What determines whether a monoamine neurotransmitter is recycled or broken down by MAO?

When a neurotransmitter detaches from the receptor and is returned to the neuron via the transporter, what are the primary factors that influence whether that molecule is re-stored in a vesicle by ...
31 views

Avoidant behaviour and ego boosting

Amateur here. Let's suppose I know a person who is an expert on a certain subject, say history. Since I like history myself, I will ask him/her a number of questions on subjects that I know only ...
20 views

Do we humans have an innate perception of what are secure behaviors? If yes, to what extent?

Recently, I heard in a podcast that people enjoy booths or corners in restaurants because we have a natural preference for spaces we deem more secure (e.g. in this case, we can see the rest of the ...
18 views

How is the effectiveness of EMDR measured?

What are the outcome variables that researchers measure? Is it just a PTSD Checklist form filled out after every session?
35 views

Understanding the transition from integrated form to ODE form of neuron models

I'm trying to convert a fairly complicated neuron model from integrated form (a form of the spike response model) to ODE form for use in the BRIAN simulator. The BRIAN simulator requires neuron/...
31 views

“Being of the same mind” as a scientific concept

Folk psychology knows and uses the concept of "being of the same mind" that often is supposed to explain why two people find themselves sympathic or like (or even love) each other. "Being of the same ...
25 views

How does the body respond to having excess levels of neuronal, not synaptic, serotonin?

If a person consumes large amounts of 5-HTP or SAM-e resulting in elevated serotonin levels in their synaptic vesicles, how is this excess offloaded? What is the average rate of clearance? All the ...
53 views

Does thinking or focusing on something alter a neuron's speed?

I Googled about this but couldn't find any thing precise to be that does thinking about something hard alters the speed of neurons impulses? I have heard of neurons velocity being variable but want to ...
17 views

~20% threshold for perceiving minority populations as “others”?

Many years ago I read an article that said something along the lines of minority populations stop being "noticed" when they cross a threshold of something like 20%. Below 20% or so they are perceived ...
29 views

Is there any categorization of cognitive abilities based on brain structure and biology?

I'm pretty sure that the answer to the following question is yes : Is there any categorization of cognitive abilities based on brain structure and biology? However, because I'm a newbie, I'm kind of ...
55 views

How to learn about children using hitting affectionately

When I am about to leave, my youngest son will show affection by hugging me before I leave. When we are playing a game and he is really enjoying it, he will actually smile at me and hit me really ...
18 views

Can one neuron denrdite be involved in different memories?

It's clear that neurons are involved in whatever memory. Suppose I see the image of a bird taking off over and over again. The image becomes imprinted in my memory. So when I think about this ...
39 views

Plutchik's emotions from negative to positive

I'm trying to order Plutchik's emotions model from the most negative to the most positive. These are the emotions in alphabetical order: ...
18 views

Newbie Question: Can someone explain Dunning and Kruger's results?

I think I understand the Dunning Kruger effect: assessing our ability in a certain field, requires the meta cognitive skills that competence in that field brings, so without these skills we tend to ...
11 views

In extremely stressful or high-pressure situations, how can people remain calm and complete the task at hand proficiently?

Interested to see studies completed regarding the question asked. Considering the question, there are two situations in mind. Where the particular stressful event is of a very short timespan, ...
10 views

Non-polar hydocarbons in phospholipid bilayer

I read that the phospholipids in many cell membranes (I am referencing neurons specifically) have a non-polar hydrocarbon tail and a polar phosphate head. Regarding the non-polarity of the hydrocarbon ...
797 views

Has the Open-Source Psychometrics Project been well received by the community?

I am not a psychologist/psychology student, but I've just recently discovered the Open-Source Psychometrics Project, and I think it's great. To my untrained eyes, it seems like they have solid ...
31 views

What is the name of the survey question style that forces a choice between non-opposite pairs of items, and why is it used?

I've seen personality tests and industrial / organizational psychology tests that force one to choose between non-opposing concepts. What is the name of this question style, and what are the reasons ...
29 views

What is the phenomenon of devaluing others' abilities called?

The Dunning-Kruger describes a cognitive bias where people evaluate their own skills as greater than reality. I wonder about a similar situation wherein one underestimates the abilities of others. I ...
12 views

Why does an image seem smaller through a pinhole when viewing with human eye

I was chewing gum when I took the Trident gum wrapper and rolled it into an open cylinder with a diameter of about 1.5mm (give or take 0.15mm). When I look through the gum wrapper (I have to put it ...
21 views

Is “Do X, not Y” worse for memory than simply “do X”?

I'm curious if saying "Do X, not Y" or "Don't do Y, do X" can introduce an extra hurdle into remembering which one to do, rather than just saying "Do X". If later you're trying to remember "Did he say ...
24 views

Why does Jung suggest that we need to defend our psyche from original religious experience?

I am reading "Psychology and Religion" which is a transcribed lecture by Carl Jung. In this lecture he mentions several times how the psyche uses dogma and ritual to defend again original religious ...
22 views

How does number sense develop in blind people?

From what I understand about number sense and numerical cognition, the visual system is heavily involved in the approximate number system and the object tracking system, which are at the root of ...
30 views

Acquisition of reading ability among children of “primitive” (e.g. Yanomami) parents who now live in modern societies

Have the children of parents from "primitive" cultures (e.g. the Yanomami) who have moved to modern societies (perhaps as adoptees) tended to have any difficulties learning to read? I'd especially be ...
18 views

Why some people feel afraid to ask questions?

Suppose, someone wants to know something about a topic. To know better me must ask questions to others about the topic. But, there are some people who have a great curiosity for the knowledge but ...
28 views

Learning about involuntary streams of mental images

I can visualize pretty well, and I've always been fascinated that my mother is one of the roughly 1-2% of people that has no ability to visualize (Aphantasia). However it wasn't until this week that I ...
62 views

Is there a criterion to distinct between a philia and a paraphilia?

The terms "Androphilia" and "Gynephilia" describe the two major romantic and/or sexual orientation/s of humans → towards "masculine" humans and "feminine" humans, ...
8 views

Why do people suicide? [duplicate]

No, I am not talking about user suicide. I am talking about actual suicide. Isn't the fear of death naturally so big that people couldn't, but how do they? What would be tormenting them so badly that ...
69 views

How can psychopaths with no sympathy for their victims, exploit empathy to ensnare or torture them?

I understand the difference between empathy and sympathy, but not the emboldened sentence. Please expound? Empathy vs. Sympathy | Psychology Today Canada Sympathy (‘fellow feeling’, ‘community of ...
6 views

How exactly should the items in the MEC-SPQ be rotated?

citing from the usage instructions of https://academic.csuohio.edu/kneuendorf/frames/MECFull.pdf "The MEC-SPQ was designed for immediate assignment after media exposure. Starting with ...
19 views

Which stimulus can distinguish schziophrenia more accurately.?

Every one. I am trying to classify schizophrenia on three different stimuli. subject press a button and generate a tone subject listen to the tone (no button pressing) subject press button but no ...
32 views

What makes pathological demand avoidance different from reactance?

I learned about the term reactance after some research, what wasn't as obsessive in the description as I had observed with some people in the past. Still made a very good point in describing the ...
27 views

True activity maps of the brain

In a video on the effects of music on the brain Oliver Sack's brain is shown when listening to Bach as opposed to listening to Beethoven: Jokes are made from the off: "Sorry, Beethoven, there's not ...
23 views

Is there a mathematical model for the “strength of your emotional reaction” to the effect of SMBC Comics's formula?

SMBC Comics (Emotion) presented the formula $$\text{strength of your emotional reaction} = \frac{\text{emotional power of an event}}{\text{your distance from the event}}.$$ It feels intuitively ...
14 views

Is there any scientific evidence supporting the use of The Wartegg Drawing test for employee selection?

Im trying information about the tests which many companies use as part of the personnel selection processes. For instance, The Wartegg Drawing test. I can't seem to find any serious research to this ...
25 views

Does ADHD treatment remove positive traits

I am diagnosed with ADHD inattentive and have been doing research into both positive and negative traits that come with it. I understand that despite the disadvantages several positive characteristics ...
29 views

Why do children who have been abused/neglected urinate/defecate in inappropriate places?

I have heard this is not too uncommon. What is the function of this behavior? From my experience with a child who has done this for years, this behavior is not an accident. He will urinate onto his ...
16 views

embracing mental challenges-what is considered as such?

This article https://www.health.harvard.edu/healthy-aging/what-does-it-take-to-be-a-super-ager recommends mental challenges. My question is for example my profession is software development where you ...
16 views

Any studies about the effect of listening to audio in a foreign language while studying?

Note: this is my first question on this site. If my question is not clear enough, lacks context or I forgot some rule, please tell it in the comments so I can edit my question appropriately. ...