# All Questions

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### Are there any studies that examine the phenomenon of songs stuck in the head?

Frequently I hear people say (and myself included) "darn it, I can't get that song out of my head!". Are there any studies that examine this phenomenon of songs getting stuck in people's heads? ...
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### Why is schizophrenia a thought disorder and bipolar a mood disorder?

Examining two major mental illnesses that are, loosely, grouped by mood and thought. Schizophrenia is regarded as an illness associated with thought disorder. Bipolar is regarded as a mood ...
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### What causes pathological jealousy?

Taking the meaning of the word pathological to mean maladaptive and unhealthy. What is/are the aetiology of pathological jealousy? What conditions are associated with features of pathological ...
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### Learning a language by Immersion

Immersion is the process by which children learn their native language, but it can also be used in educational settings. Apparently in some countries, where the official language is not the language ...
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### Available Therapy for Damaged Object Constancy

Margaret Mahler's theories of child development include the notion of Object Constancy. This is believed to develop under the age of two, hence prior to laying down long term memory. Given the, ...
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### What causes some people to unconsciously imitate the accents of others?

Background: I often notice that when I talk with someone with an accent that I often unconsciously start to imitate their accent. Similarly, you see some people that very quickly after moving to a ...
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### Improved Typing as a result of slight movement

I've found that my typing performance (speed, accuracy, flow) are noticeably improved if I am swaying slightly, mostly side to side, in a non-regular manner. I would estimate that the overall ...
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### Is the process of long term potentiation (LTP) definitively linked with brain plasticity?

Given that the process of Long Term Potentiation (LTP) is one of the processes that increases synaptic efficacy: Is it reasonable to conclude that the process of LTP is sufficient and necessary to ...
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### What evidence is there that the adult brain can produce new neurons?

At school I was taught that the adult brain did not produce new neurons. That we had the maximum number of neurons and this would only diminish over time due to events, like head injuries, drinking ...
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### Quantify degree to which non-diagnostic features bias category-present response

I need a measure of the degree to which each of several features biases participants to respond "yes" in a category present / absent task for each of several categories. I have stimuli defined along ...
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### If people did not have to work, what would motivate them to work?

In industrialized countries around the world, "work" appears to be something that most people try to avoid as much as they can, dreaming of winning a lottery so they will never have to work again -- ...
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### Can stress be detected by an fMRI?

How does stress damage the brain (if at all)? Is it akin to taking drugs, heavy drinking, or a minor stroke? Would an fMRI of a stressed person present evidence of stress?
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### What are current neuronal explanations and models of 'consciousness'?

I would like to understand more about consciousness from a neuroscientific perspective. I have a limited understanding of it in the philosophical/psychological sense through lectures. Although it is ...
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### Do smart drugs aka noootropics make you smarter?

Do drugs like provigil and modfanil make you smarter? Or are they like coffee? Do they improve working memory? Is there a potential for a pill like NZT from the movie Limitless?
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### Status of introspection in psychological research today

Historically, psychological understanding was largely gained by introspection: the philosopher observed the workings of his own mind and deduced the principles of the human psyche from that. During ...
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### Can we increase our higher order thinking (HOT) skills by practicing inductive reasoning?

I previously asked about the conceptual links between higher order thinking and inductive reasoning. This question focuses on the potential for improving higher order thinking through practicing ...
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### With the brain's propensity for homeostasis, how can some drugs be labelled addictive and others not?

The human body is always striving for homeostasis. One of the purposes of the brain is to maintain homeostasis, but also the brain needs to maintain homeostasis within itself. Ergo: Given the use of ...
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### Are Satoshi Kanazawa's findings about racial differences in attractiveness valid?

This post discusses a study published in a blog post by an evolutionary psychologist Satoshi Kanazawa. The study suggested that black women were rated less attractive than women of other races. There ...
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### 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 ...
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### 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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### What is the influence of “effort put into pursuing wealth” on happiness?

As presented in the TED talk by Mihaly Csikszentmihalyi (3:30) repeated research has been unable to show a correlation between happiness and level of material wealth (above a certain minimum ...
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### What does scientific research say about the relationship between penis size and attractiveness?

Pop-culture often equates a larger penis with a more attractive penis. Is there any scientific research examining the relationship between penis size and attractiveness ratings? What are the reasons ...
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### Why does a clock counting down generate more pressure than a clock counting up?

Why does it seem that people feel more pressure with a clock counting down as opposed to counting up? Is there a specific term for this? Maybe counting down signifies some sort of loss whereas ...
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### What are the negative effects of meditation?

I see lots of articles touting the benefits of meditation. But what are the bad things about it? Maybe if a person has to make quick decisions, meditation would not be a good thing? This could be ...
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### What is the name of text analysis where emotional tone of words is analyzed? [duplicate]

I'm interested in knowing what can be learned about people by analyzing the emotional content of the words they use in casual speech or writing. I've heard it being referred to as " ... analysis". ...
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### Any models that act using both streams of visual processing?

The Two-Stream Hypothesis, where object properties are processed independently from spatial information, remains the most well established theory of visual processing. However, it concerns me that ...
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### How can surprise be labelled conscious when mismatch negativity shows that surprise takes place earlier than conscious states?

Mismatch negativity (MMN) is the brain response to violations of a rule. The MMN peaks at about 100–250 ms after change onset. If MMN occurs so early, before conscious perception, why is surprise ...
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### Does reading a book out loud make you better in social situations?

Suppose a person reads a book out loud for 1 hour straight. Would this "exercise" the parts of the brain involved in speech? Would this make the person a better communicator in social situations?
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### How did the unique features of human intelligence evolve?

I have been debating the following topic with a friend. She argues that humans do not descend from chimpanzees or orang-utans, because if we did, such animals would share the same cognitive thinking ...
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### Philosophy Meets Neuroscience: The Molyneux's Problem

Consider the Molyneux's problem "If a man born blind can feel the differences between shapes such as spheres and cubes, could he similarly distinguish those objects by sight if given the ability ...
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### What decision problems are better answered with analytic thinking, and what are better answered with intuition?

Most Western philosophy and psychology argue that deliberating carefully and rationally is the right way of reaching a decision. "Don't let emotions turn you" they might say. The splitting of the mind ...
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### How strong is the need to belong?

Are there any studies that measure the need to belong? Does this need vary greatly from person to person or is there a tight deviation? What would explain why some have very little need to belong ...
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### What drives civilization? [closed]

Fossil record indicates humanity arose on the African Continent - in/around Gauteng. Yet the oldest civilizations on record are far afield - Ebla, Mesopotamia What drives civilization? Why is the ...
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### Dopamine deficiency more frequent in the addiction prone?

I found this clip about dopamine deficiency. ...[P]eople with low dopamine activity may be more prone to addiction. Is the reverse also true? Does susceptibility to addiction (genetic, etc.) ...
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### How similar are human brains within the same haplogroup?

I've read about neuroscience and listen to talks like this one Juan Enriquez: Will our kids be a different species, I'm starting to realize that humans are not all the same, and are instead quite ...
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### Any review articles on behavior change psychology?

I'm interested in behavior change and looking to apply its principals in order to design programs and services in healthcare. I'm most familiar with BJ Fogg's B=MAT model and his principles. But I'd ...
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### Is the concept of conservation fundamental to understanding fairness and capacity in “love”?

I heard this comment on a radio program about Child parenting by psychologists: "A child will not comprehend an explanation that, a parent loves each sibling equally, as they do not have abstract ...
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### Resource on how to effectively develop within-subjects vignette based study

Background: Where I used to work fellow researchers used to have a task known as the CV task. The task required participants to answer a number of questions about a set of CVs (e.g., is this a good ...
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### Have the abilities of John Lorber's patients with limited cortical mass been further evaluated in adulthood?

Short of minor lesions or infarcts, most high-functioning adults have an intact cerebral cortex. Yet, a surprising result published anecdotally in Science in 1980 caused a lot of scientists to take ...
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### What is the cognitive basis for a sudden loss of confidence in social/professional interactions?

This question is similar to this earlier question, but from a very different viewpoint - what I am asking here is, what is the cognitive basis for a sudden loss of confidence? For example, if a ...
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### How should multiple Mechanical Turk research subjects from the same IP address be handled?

I saw this question on Twitter from Jay Van Bavel (@jayvanbavel), and thought it was a good fit for the site. Does anyone find that multiple subjects from the same IP address in their #MTurk ...
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### Are imprinting and computer literacy connected?

I've recently became aware of the phenomenon of imprinting, in which baby animals start to associate with the first moving object with eyes that they see during a critical period of their infancy. ...
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### Psychological journal that focuses on publishing interesting psychological datasets

There are a range of data repositories around. There are also journals that permit online attachments. That said, my general experience with such online attachments is that the data sharing is an ...
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### Online data repository of research in the cognitive sciences

Sharing data is an important part of science (e.g., see APA discussion). It's also often useful to be able to have access to datasets when teaching students how to analyse data in the cognitive ...
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### How do you run a risk / gambling experiment using Qualtrics or Amazon Turk?

I want to run a simple probability matching gambling experiment: Each round has the participant pick Up or Down. The computer picks Up with a probability (p=0.7). If the participant gets it correct, ...
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### How to use Mechanical Turk for longer studies (i.e., 30 minutes+)?

I'm interested in using Mechanical Turk as a means of recruiting participants for online psychology studies. I have never used it for any research. However, many of my studies take around 30 minutes ...
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There is a lot of research done on impulsivity trait... Here is detailed wikipedia article: http://en.wikipedia.org/wiki/Impulsivity In adition to that here is one interestiing video of biological ...
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### What causes laughter?

I was looking at this video from VSauce: "Why did the chicken cross the road?", where several facts about this old joke are exposed and explained. At some point, (6:59) Michael explains that there is ...