8
votes
2answers
340 views

How do SSRIs work?

I've found a reasonable explanation on Wikipedia... SSRIs are believed to increase the extracellular level of the neurotransmitter serotonin by inhibiting its reuptake into the presynaptic cell, ...
1
vote
0answers
40 views

What clustering algorithms are most similar to how humans cluster data? [closed]

Clustering algorithms group unlabelled data, such as in the following example: Which clustering algorithms are similar to how humans do clustering? (e.g. Connectivity based clustering (hierarchical ...
2
votes
1answer
40 views

Determining the position of the calcium ion in the three dimensional space

Is it possible to determine the position of a single calcium ion or its population in the context of a three dimensional space with relatively good time frequency, say 1 Hz, taking into account ...
1
vote
1answer
153 views

Central and peripheral route dilemma

Pretend a woman watching tv and she is moved by the speaker's credibility and his ability to speak at length on the new product. She also notes that he is attractive. So in this case she is likely ...
1
vote
1answer
87 views

Research on avoiding thinking about things that trigger depression or anxiety

Has there been study done in regards to the phenomenon of avoiding thinking about things that would emotionally trigger depression or anxiety? What I mean is, a person will think about something ...
5
votes
0answers
41 views

How does de-myelination occur in multiple sclerosis? [closed]

From what I understand, only the oligodendrocytes are affected in multiple sclerosis, and they are attacked by T cells which cross the blood-brain barrier. This leads me to two questions: How is the ...
9
votes
2answers
1k views

What's the explanation of this optical illusion where many coloured arcs radiate from a central point?

I saw the image below on facebook. At first, I thought it's a GIF animation since it doesn't appear static but it turned out to be a static JPEG image and the apparent motion is caused by the brain. ...
11
votes
1answer
286 views

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 threshold)...
10
votes
2answers
158 views

Long term effect of using noise generators

Some people use noise generators as http://playnoise.com/ to reduce distraction by background noise. Is there any research on the long term effects of this? Does this affect the neuronal connections ...
8
votes
1answer
141 views

Is the depletion effect of self-control reliable?

Although a lot of research (Muraven, 1998) has indicated the ego depletion of self-control, a recent paper (Xu, 2014) claims that they fail to replicate the depletion effect: impaired performance in ...
9
votes
1answer
102 views

What is it about the nature of slow-wave sleep that makes it difficult to awaken the sleeper?

In humans, delta wave sleep ("slow wave" sleep, stages III and IV by AASM criteria) is more common in children and becomes only a small percentage of total sleep time in adults. Cortical EEG waves ...
2
votes
1answer
40 views

How else can we eliminate wrong underlying beliefs, when even science fails?

Source: Why Do Many Reasonable People Doubt Science?, 2015 March, by Joel Achenbach [Andrew] Shtulman [of Occidental College] ’s research indicates that as we become scientifically literate, we ...
3
votes
1answer
111 views

Is volition a reality or an illusion?

Keeping religious sentiments aside, here is a question raised on the Buddhism SE that attempts to answer a similar question from the Buddhist point of view. You see, Buddhism has a concept of anatman ...
1
vote
1answer
103 views

How did the concepts of left and right direction develop in the human mind?

I hope this is the correct forum to ask; if not, please migrate to a better place. How did humans came to agree on a distinction between the directions "right" and "left"? I could think of two ...
2
votes
2answers
151 views

What causes someone to frequently see particular patterns of digits when they look at a clock?

Over the past few years when I randomly choose to look at a clock I typically see particular patterns of times. The main pattern is repeating digits (e.g., 04:04; 11:11; 16:16). This occurs on ...
4
votes
1answer
78 views

Does 3rd person reference to self change perception of self?

If you refer to yourself in the third person for a day how does your understanding of self change? For example are you more inclined to consider your actions and motivations from and external ...
3
votes
1answer
27 views

Why superimposing PET data on MRI scan images instead of doing fMRI scans?

I'm currently reading this paper: Savic & Lindström (2008). PET and MRI show differences in cerebral asymmetry and functional connectivity between homo- and heterosexual subjects. It certainly ...
0
votes
3answers
87 views

A good place to start learning Behaviorism for a Newbie?

I've developed an interest in Behavioral Psychology. I don't have any background and I'm not taking any Psychology course or anything. I just want to learn. I was wondering if there's a good "...
9
votes
1answer
182 views

What psychological or sociological concepts form the basis of Principled Negotiation?

Although the various forwards mention that organizational behavior and social psychology are two of the fields that form the basis for the techniques taught at Harvard Law School's Negotiation and ...
5
votes
2answers
280 views

What is the evolutionary purpose of envy?

I am seeking for a general explanation within the context of evolutionary psychology. 1) What is the purpose of envy? 2) Is it safe to assume that experiences with envy should reach a maximum ...
3
votes
1answer
126 views

Is meaning-seeking behavior a biological optimization problem?

In short, I'm interested in cognitive, neuroscientific, biological and/or computational perspectives on what we vaguely refer to as meaning seeking. Of course, this is a large topic, but any ...
3
votes
2answers
101 views

Is there a database of disgusting images for stimuli for experimental study of disgust?

I'm looking for a set of images that evoke a disgust reaction. In particular, I'm looking for disgusting objects (e.g. feces, maggots). Is there a database of images like this? It would be especially ...
2
votes
1answer
122 views

Memory - Remembering a Source

So I study information systems technology, networking, programming, system security as my main focuses on school with a lot of reading material and a ton of independent research. My major problem is ...
4
votes
0answers
65 views

Can one become addicted to learning?

Is it possibly to become addicted to learning? What drives this addiction and how can it be controlled? Note: I'm not sure this is the right exchange for this question... Its the best fit as far as ...
2
votes
2answers
74 views

How many hours of speech do kids hear before learning a language?

I'd like some estimates of how many hours of English speech kids typically are exposed to before reaching various levels of mastery. I realize this is a very fuzzy question, but I'm sure ballpark ...
4
votes
0answers
39 views

Do ADHD drugs harm the brain?

Particularly, the amphetamine "vyvanse". If one was to take a 30mg dose once a day for 50+ years, would it damage brain function at all? Would the brain simply get used to the drug and become 100% ...
1
vote
1answer
64 views

The belief becoming the self [closed]

Is there a terminology or specific topic that explains the behaviour or phenomenon expressed in the following quote? The greatest anomaly of belief is that it is so powerful it takes over the ...
7
votes
1answer
174 views

How do laypeople form a judgement that another person is smart or intelligent?

I am curious: When do we label a person as being 'intelligent', 'smart' or 'clever'? This is subjective, and it seems unlikely that it is possible to reach a bulletproof definition. A high IQ has been ...
4
votes
0answers
130 views

Long term effects of using modafinil on cognition

What are the Long term effects of using stimulant like modafinil on cognition abilty?
6
votes
0answers
146 views

Why do men have greater variance than women in mental test scores?

Hedges and Nowell (1995) write that Sex differences in central tendency, variability, and numbers of high scores on mental tests have been extensively studied. Research has not always seemed ...
2
votes
3answers
131 views

Why clothes' color is different than it appeared in stores?

This is my first time askin on Cog Sci board, not sure this is a right place to ask but I think it's something relates to Psychology and Cognitive Science. So yesterday I bought a shirt that looked ...
5
votes
1answer
929 views

Have different mental strengths evolved in men and women?

I think that men and women are different mentally (but nonetheless equals), however this way of thinking is very hard for me to explain philosophically, so I'd like to learn about what roots this ...
8
votes
3answers
3k views

Why have historically most inventors been men?

I noticed something strange when I looked at about.com's list of famous historical inventors. You can see that most of the inventors are men, and only a few are women. Can this be explained by ...
3
votes
2answers
56 views

Reconciling one-dimensional valence with distinct mechanisms for reward/punishment

It is a widespread notion in psychology that there are two dimensions to emotion: valence (aversiveness or attractiveness of some entity) and intensity. However, recent experimental studies in ...
3
votes
1answer
113 views

How does the brain know whether or not it comprehends a novel concept?

There seem to be at least two kinds of confusion regarding novel concepts. In one, the brain simply can't form an abstract model from whatever information is being presented. It's where you can't "...
0
votes
1answer
74 views

Cause and cure of silly behavior in children

What can be some of the causes/reasons that a child (in the 7-year-old range) to speak in a silly voice and in a silly way, more than an average child? I don't know how to be more specific by silly ...
3
votes
1answer
33 views

How to engage in the conceptualization process to measure a psychological construct such as femininity?

I am in class for Research Methods and I am having troubles with a conceptualizations process. The question is to describe the conceptualization process you would employ to measure femininity. How ...
3
votes
2answers
52 views

How can I structure this question to check for availability bias?

I'm preparing a survey right now and one of the questions I'm looking to answer is: How much does availability bias effect the decision making process for [given behaviour]? My question is: What's ...
10
votes
2answers
280 views

What is the bias/thought process that results in distrust of “formal” knowledge in favor of “folk” knowledge?

An interesting effect I've noticed is that certain groups of people seem to accept "folk knowledge" and value it over significantly better founded "formal" or scientific knowledge. In particular this ...
7
votes
1answer
63 views

Psychology of Sympathizing with Death

Why do we sympathize in general when we see something or someone dying even if we personally don't know it/them? Is there any species other than humans which sympathize with the death of its own ...
11
votes
3answers
133 views

Are there any pragmatic uses of hallucinogens?

Hallucinogens (psilocybin, LSD and others) are often regarded as risky substances, therefore they are banned in most places. Are there ways of using these substances that can be beneficial? Or in ...
3
votes
2answers
119 views

What are the side effects of Anger?

Are there any side effects i.e. any hormonal changes , dopamine release when we get anger or while we shout or outburst in anger? Because we feel satisfied getting anger in a situation than keeping ...
3
votes
1answer
71 views

How can I understand the phenomenon of mood better?

I have been trying to understand the psychology of liking, for example a particular object(human or non-human). But I am unable to proceed with my experiments(I am just an amateur) because I myself ...
11
votes
5answers
8k views

Is there an accurate online IQ test for measuring 160+ IQs?

Is there some (preferably free) online and accurate IQ test? One which does not give me an genius IQ and then tries to sell me a diploma. I need one which measures upto 160 sd15 (or higher). Such a ...
1
vote
1answer
286 views

What's the difference between inductive and deductive research in cog sci?

I'm not really clear on what the implications are for inductive vs deductive research methodology and analysis. Any examples or input would be great!
9
votes
2answers
644 views

Cognitive Science podcasts to follow

I'm currently trying to find interesting Cognitive Science related podcasts to follow. Only one I've found is You are not so smart. Does anyone know anything else? Preferably in English. If the ...
4
votes
0answers
50 views

Why can good music raise goosebumps?

Listening to really good music right now, I was wondering why it raises goosebumps. Is there any physiological reason for this reaction to specific wavelengths or something? Due sometimes strong ...
2
votes
1answer
46 views

Number of exercises and the learning of some subject?

For example, I show to my students that XY=Z, so I ask for them to do some exercises, so in the future, they will always know that XY=Z. Is there any known study relating the numbers of exercises ...
1
vote
1answer
32 views

Measures to study working memory level related to physical activity

I want to do a study on the effect of physical exercise on working memory. Can you suggest measures for working memory assessment that differentiate levels of memory functioning amongst "normal" ...
1
vote
1answer
21 views

What is the set of cards used in the Wisconsin/Berg Card Sorting task?

I'm a little confused about what cards are included in the Wisconsin card sorting task. According to PEBL there are two sets of cards available for the task, one set of 64 cards and one set of 128 ...

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