# All Questions

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### Islam and participation in acts of political violence

This is currently a hot political topic, but what does the science say? I was thinking that a good experiment would take groups of people, and match them for alternate explanations: Age, gender, ...
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### Pre-motor potentials

I see a problem when interpreting pre-motor potentials (like readiness potential or movement-related cortical potential) that are detected before the movement takes place. These potentials occur at ~ ...
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### Does neuroticism go hand in hand with introversion?

I'm reading this paper on relations between affect and personality. It seems the personality domain has been characterized in terms of two dimensions: neuroticism and extraversion. How does ...
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### Recent psychophysical studies using the “Method of Adjustment”?

The Method of Adjustment, devised by G.T. Fechner, is one of the three classical psychophysical procedures used to examine perceptual performance. It came to fame through early studies of visual ...
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### Do living beings of different sizes perceive time differently?

Do living beings having different sizes e.g. an ant and an elephant perceive time at different rates? Is the physical time same for all sizes or different for different sizes? Suppose There is a ...
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### How are our eyes able to distinguish between lines and borders? what is the mechanism at the level of rods and cones?

I think there is a phenomenon behind the method which our eyes use to judge between lines of contrast, like black lines on a white page, by just recognizing the contrast areas, i need explanation of ...
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### Evolutionarily speaking, How did a preeminent process like sex become reticent among humans? [duplicate]

If sex is the process every living being practices and is natural just like every other biological process and is the quintessential of all, when it comes to human, why is sex not something which we ...
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### Environmental factors that predict theism

Are there any environmental factors which can predict atheism or theism?
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### Are there any precise design principles for artificial connectomes or neural networks?

I've been reading about the openworm.org project. I've downloaded the code and run some simulations. The people at OpenWorm have made an experiment where they setup a robot with the neural network of ...
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I'm looking for a reference showing that asian languages such as Chinese and Japanese allow for easier understanding of numbers than English. Here's an excerpt from Malcolm Gladwell's "Outliers" that ...
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### Math understanding: intuitions and proofs

I think that cogsci can help me to study a problem in philosophy of math. Consider this case (adapted from M. Detlefsen, Brouwerian intuitionism): Lucy has the kind of understanding of a given math ...
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### How much of brain power consumption is for information

As previously answered on this site, the brain uses 20W of power. However, how much of this power consumption is for information processing and how much of it is for maintenance of biological ...
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### What Ethical and Legal Provisions Release One from “Mandatory Reporting”?

Question What provisions exist that can be applied to provide assurance to a client or patient that they can talk, "off the record", "without repercussions", and that nothing will be documented? ...
84 views

### Possibility of increasing brain speed

In science fiction stories, we often see the use of virtual reality, a 3d world that allows you to actually 'be' there. The writers often use a pod or helmet to signify the use of some sort of ...
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### Put a fixation cross on top of a image in Expyriment?

I wanted to try to put a fixation cross on top of images presented to avoid subject eye movements as much as possible. I am using Python's Expyriment package and thought that after ...
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### How liking and disliking mechanism is developed? [duplicate]

Every one likes different things, places, people, colors, flowers etc. I am interested to know how this mechanism is developed in individuals. If we suppose that it is started from home. Then why ...
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### Biofeedback and Neurofeedback: Scams or Real?

I'm currently taking an AP Psychology course which just discussed biofeedback and neurofeedback very briefly. All I can say is that I'm entirely skeptical that either one works by any mechanism other ...
108 views

### Neural nets for cognition

I recently got into Neural networks. As much as I have understood, the learning process is based on the change in weights according to stimulus and algorithm used in learning. Does this in any way ...
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### Is it possible for any arbitrary able bodied human to develop exceptional cognitive talent & genius across multiple disciplines?

Can any arbitrary [able bodied] human become a genius across multiple disciplines or at least one discipline assuming that they have some Secondary Eduction in these disciplines? For example, the ...
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I am trying to understand what is visual masking (or more specificaly forward masking). I have read the explanation here, but still.. I understand that a background can interfere with a frontal ...
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### Epigenetics and serotonin (amygdala threat response)?

In this article it states that: Increased promoter methylation of the serotonin transporter gene predicted increased threat related amygdala activity. I'm finding this somewhat difficult to ...
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### Can I use Mechanical Turk for a longitudinal study?

My thesis looks at depression and social support. My design involves participants answering taking a survey every other day for a total of 10 times. Is is the same set of questions that they will ...
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### Learning to think?

Do we need to learn to 'think' or is it an ability that we are born with? By 'think' I mean neurons firing in a certain way to provide useful information (although since I am not strong in this ...
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### Why do many parents prevent children from being exposed to anything sex-related?

We remove children from anything that is sex related, including talks and photos. When I think about it, it seems deeply and morally wrong to not do it. When I first thought about that, I thought ...
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### What tradeoffs are there between internal and external validity?

I was reading through an article about research design. The authors gave an example on the relation between internal and external validity which I thought might be an important area of consideration ...
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### Where are intrinsically bursting neurons found in the mammalian brain?

There are neurons in the brain that exhibit bursting behaviour. In some cases, this is due to interactions with the surrounding neural network. In other cases, it is due to intrinsic biological ...
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### How does a woman reject an unsuitable man? [closed]

I'm interested in the mechanism behind how a woman can reject a man once already in a relationship. I've done some research and stumbled upon this issue described by multiple different people, which ...
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Could you recommend me some books that cover trust and how it is developed, what helps us build trust and why we might or might not need it. I am not interested in the relationship self-help books ...
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### Can CES-D scores be meaningfully averaged?

I'd like to compare the CES-D score for people after an event with that of people who never experience that event. Measurements are not paired in relation to anything of significance for people ...
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### Why vision cannot count things instantly?

If vision can instantly "see" 30x30 grid, why does the brain often need to count rows and columns for understand there is 30 rows and 30 columns? Why does the brain fail to instantly count?
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### Does inhibiting automatic processing requires attention?

It's seems very likely to me that it does, but I haven't found any research that tested this assumption directly.
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### Interpretation of facts in dream

We learn facts in life from books or from experience, and we remember them. If later we ascertain a new fact about the same subject or phenomenon that contradicts the first impression, we can't erase ...
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### Could brainwaves be the fenomena gives rise to consciousness [closed]

I have speculated for a long time that brain waves could be the "location" of human consciousness or indeed the "soul". My argument for this is the following: They vary with different states of ...
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### Why do we need Life Partner?

We all get into relationship. We at times move out of them when the needs (emotional,physical,mental,monetary,etc.) are not met. We keep searching for that one life partner. Why do we(human beings) ...
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### Peer relationships measurement

Is there a method for measuring peer relationships in university students (e.g., a questionnaire)? I am looking for a questionnaire that can be used to asses the level of peer relationship among ...
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### Do dreams repeat/continue? Or is it just a perception that a dream repeated?

During lucid dreaming, we sometimes feel that it is a repetition of (or in someway related to) a previous dream, but when we wake up, we can't recollect the first instance of such a dream. Why is this ...
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### Threshold time for stimulus to be consciously perceived. Why?

A visual stimulus must last longer than some threshold duration to be perceived consciously. For example, a light dot flashed for a duration of 10ms can't be consciously perceived. Why? What prevents ...
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### link between top-down (bottom-up) processing and cortex layers

What are the relations between top-down and bottom-up processings and the flows of information in the brain? For example, does top-down processing start from some layers and go to lower layers? If so ...