2
votes
1answer
74 views

Effective sampling rate in human visual system

The [stroboscopic effect][1] is often explained as one of the problems of sampling. If sample rate is too low, you might have the impression of the signal frequency being low or even reverse. There ...
7
votes
3answers
133 views

Is a desire for a certain food related to the nutritional need for that food?

It appears that, from time to time, everybody has a strong desire for some specific food. I want to know whether this is the feedback of the body needing certain nutrients or whether it's purely ...
6
votes
3answers
170 views

Which is the shortest duration for a pitch difference in audio signals to be perceived by the human auditory system?

If I have two short audio signals, for example pure tone C4 and C#4, so half-tone difference, how short can they be that the human can hear the difference in pitch? Was there any ...
4
votes
0answers
38 views

Age of learning versus relative mastery - are they linked?

Infants learn different things in different ages. Let's say infant A learns to speak at age 1 (I have no idea what is normal), and infant B learn to speak at age 1.5. Does the age of learning say ...
2
votes
0answers
50 views

Are there some tools to get human brain Brodmann areas from X,Y,Z coordinates?

Is there some program that given the x,y,z coordinates of a area in a given brain template, gives the histological Brodmann area relative to that template? I'm interested in associating x,y,z ...
1
vote
0answers
55 views

What is the result of an excess of dopamine?

I'm pretty familiar with the results of having not enough dopamine, though the reasons are not so clear to me. To get a better insight on the topic I'd like to know something about having too much ...
9
votes
1answer
1k views

How do the blind dream?

Lately, a friend of mine has been telling me that he's been having recurring dreams involving a certain rabbi, who died around a hundred years ago. Since there's been some controversy surrounding the ...
3
votes
0answers
44 views

What neurotransmitters can be suppressed/promoted by tDCS

Transcranial Direct Current Stimulation (tDCS) has been shown to modify suppression in the visual cortex and GABA suppression in motor control. As of now, the exact neurobiological mechanism that ...
0
votes
1answer
16 views

Is there a term to define the influence and sharing of common expressions among people?

I'm wondering how to call the phenomenon that happens when people spend a lot of time together and end up sharing similar vocabulary or reusing the other's expressions? Is there a term for this?
3
votes
3answers
88 views

Is cognitive science a concentration of psychology?

Is cognitive science apart of psychology? If I major in psychology, will it be easy for me to be a cognitive scientist?
5
votes
0answers
90 views

Has there been a neuroscientific explanation of the color phi phenomenon?

The color phi phenomenon is a perceptual illusion in the visual domain which was demonstrated in an experiment by Kolers and von Grunau (1976). The experiment is as follows. A sequence of coloured ...
3
votes
1answer
48 views

Is it possible for a person to have anterograde amnesia and be aware of it?

In "Memento" the main character has got anterograde amnesia, but he's aware of it. Is it even possible and how, if it is? Compare it to "50 First Dates" — the heroine is not aware of her ...
2
votes
0answers
149 views

Do highly creative people dream more and/or differently than ordinary people?

Everybody dreams, and I'm trying to understand if there is a cause and effect relationship between ability to dream and recall dreams and creativity as an adult. I would define the kind of ...
3
votes
1answer
81 views

If I have ADHD, how can I focus on programming task for hours? [closed]

Already in 9 years, I was identified as ADHD child. I was quite obviously weird. I can observe many known symptoms of ADHD even now. I'm unable to focus on stereotypic tasks which results in many ...
5
votes
1answer
31 views

Reference request for creator of heuristic for processing fMRI data (T.Nichols)

I am using nilearn and nipy package for python processing FMRI data. When computing mask, it says: Compute and write the mask of an image based on the grey level This is based on an heuristic ...
1
vote
1answer
47 views

Does dream recall alter the dreaming process?

I've encountered the following phenomenon : within a single night of starting a dream journal again, my dreams became more numerous, recall improved and I'm waking up after each sleep cycle except the ...
3
votes
1answer
95 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 ...
5
votes
1answer
93 views

What does fMRI measure exactly

It is true that blood flows to wherever the brain is most activated and does fMRI measure the blood flow inside of the brain through oxygen content?
1
vote
1answer
101 views

How to compare brain waves?

I'm a Java developer completely naive of brain waves and such. Could anyone tell me how to compare them? For instance, how can I compare: and this: What fields of study should I focus on? I ...
2
votes
2answers
85 views

what is the data structure used by the brain to store data?

as a computer science undergraduate i was thinking if there are any special data structures used by brain to save data . i am specially interested in the data structure of hash tables . if some data ...
2
votes
0answers
33 views

Writing system, its future and social importance [closed]

I work on a rather specific subject, namely developement and inventing of writing systems (simply - alphabets). For some years it was just a hobby and creative exercise, but with time this hobby ...
2
votes
0answers
31 views

Physiological mapping of frustration

What physiological changes are seen in the brain when a person is experiencing frustration? What effects do these changes have on learning? Optional background: I'm trying to figure out an ...
1
vote
1answer
21 views

Is this Auditory Processing Delay or something else?

Would a person exhibiting some of these symptoms be a candidate for Auditory Processing Delay, or does it possibly suggest some other sort of diagnosis? Some basic symptoms/examples: A seeming ...
3
votes
1answer
27 views

Is there a name for reading things how you meant to write them?

I'm sure many of us have this experience: When I'm proofreading my own writing I will pass over it multiple times, but miss mistakes since I read what I intended to write (what's "in my head") and ...
3
votes
3answers
55 views

Are any kinds of behavior proved to correlate with testosterone levels?

Are any kinds of behavior proved to correlate with testosterone levels? Any studies done on this? Any indications of such correlations?
7
votes
0answers
107 views

Are introverts more talkative in written form than extroverts?

We all know that extroverts are in general more talkative than introverts in oral form. But how about written communication? After having talked with lots of people on the internet and met several of ...
6
votes
1answer
43 views

Studies on visually recognizable personality traits?

Are there any studies on the possibility of visually recognizing someone's personality? When I say "visually recognizing" I mean things like clothes, accessories, body attitude, visible behavior, ...
5
votes
0answers
49 views

Why does injury cause brief unconsciousness?

I suppose I'm thinking specifically about head injuries, though this question applies to any injury that causes unconsciousness for, say, a few minutes. If you would revive so soon, why would you fall ...
9
votes
2answers
91 views

How is tone volume encoded?

I am wondering whether increasing the volume would result in (a) a neuron that was already firing to now increase its spike rate, (b) a different group of neurons to add their activity to the ...
5
votes
1answer
119 views

What adjectives can be used to describe emotional intelligence competences?

After reading the book Emotional Intelligence by Daniel Goleman, I'm having a difficult time comparing emotional intelligence (EQ) with Intelligence Quotient (IQ). When talking about someone's IQ we ...
2
votes
0answers
38 views

If stimulus triggers dopamine release, can dopamine release trigger memory recall of stimulus?

Modern science of sleep is starting to lean towards a viewpoint that dopamine has an important function in dreaming, and that dopaminergic pathways - mesolimbic and mesocortical are activated during ...
3
votes
1answer
37 views

Is there any scientific basis to different learning styles?

People often identify themselves are visual, audio or kinesthetic learners. This at first sounds plausible, but when I reflect on myself, I find that I am unable to define exactly what it means to be ...
6
votes
1answer
116 views

Does meditation improve working memory more than exercise?

I have noticed that I feel much more mentally sharp after doing an hour of moderate exercise in the morning. On the contrary, when I meditate, I feel no such difference in my mental alertness. Isn't ...
1
vote
1answer
51 views

What is the name of a cognitive bias by which existing facts are tailored to fit a personal hypothesis?

What is the name of a cognitive bias where a person takes all of their knowledge of a particular subject (at a point in time) and arranges it in a hypothesis or world model that makes sense to that ...
1
vote
0answers
23 views

Why is sunrise therapeutic? [closed]

Despite being a night owl, I find when I'm up and about at sunrise1 I feel mentally much better than any other time of day - regardless of how much sleep I've had or whether I've been awake for many ...
2
votes
0answers
46 views

Do more creative people have more unusual dreams? [closed]

Title says it all: Do more creative people have more unusual dreams?
3
votes
0answers
41 views

Dependancy EEG signals from regions of the brain

When we record an EEG signals , we apply an ICA on it , this algorithm assumes that the sources of signals are independent , could I assume that each region in the brain work independently , i.e the ...
4
votes
2answers
89 views

'Always Give a Reason Why' - How to describe this subject area?

I summarise http://rayedwards.com/always-give-a-reason-why/: In Dr. Robert Cialdini’s book, Influence, he cites a research study showing that simply adding the word “because” to a request ...
8
votes
1answer
112 views

Is there a report of a successfully EEG-Based Brain-Computer Interface (BCI) using image training?

Currently I am involved in constructing an EEG-Based BCI. The goal of the BCI is to control which light in a series of lightbulbs lights up. The plan is to use different images (i.e. a flower versus ...
1
vote
1answer
77 views

Do animals have some kind of rudimentary personality types or preferences?

I'm looking at the Myers Briggs type indicator and am trying to understand if type/personality preferences are a human only construct. I'm talking about Introversion-Extraversion, Sensing or ...
2
votes
2answers
131 views

How, other than pharmacotherapy, can those diagnosed with thought disorders be treated?

In general, major depressive disorder is treated with pharmacotherapy, and talk therapy, as well as other little things written below: People know what the little things you can do if you're ...
1
vote
1answer
87 views

Does the brain get rusty if out of practice?

A couple of years back I was in the midst of a lot of competitive exams (for my career, degree etc.). I needed to put my mind to a lot of work. Maths problems, physics problems, logic and GMAT-type ...
4
votes
2answers
134 views

Does fixing cognitive biases do more harm than use?

The Kahneman–Tversky interpretation of biases as deviation from rationality was challenged by Gigerenzer on the basis that heuristics help making decisions and, thus, rational from the evolutionary ...
2
votes
0answers
50 views

How many words are toddlers “making up”?

My 20-month old has learned many words to express herself. In addition she says many other words that are indecipherable from context nor pronunciation. It's most noticeable in novel or unusual ...
0
votes
1answer
59 views

Why is it more acceptable to get rich doing sports than business?

I live in Finland where it is not acceptable to emphasize of being rich, eg. buying expensive sportcars/houses/apartments and introduce them on "yellow press". But there is one exception. If you have ...
8
votes
0answers
50 views

Publicly available social networks in apes and hunter-gatherer societies

Social network analysis is an indiscpensable tool for sociology, and is becoming increasing popular in anthropology, social-psychology and other fields. There are many papers that examine the ...
7
votes
2answers
108 views

How does masking work?

Masking occurs when the delay between the target and the mask is less than a threshhold (say 50 milliseconds). If sensory data passes from lower to higher visual cortices/processing regions as in a ...
2
votes
0answers
22 views

Is there a left or right preference to raising one side of the lip in contempt?

Contempt is expressed asymmetrically - one lip corner is pulled in and back, in what could be described as a half-smile. Are there any trends in terms of people or societies which prefer pulling in ...
0
votes
1answer
46 views

Are cognitive biases hardwired in the brain or they are acquired during lifetime?

The Kahneman–Tversky interpretation of biases as deviation from rationality was challenged by Gigerenzer on the basis that heuristics help making decisions and, thus, rational from the evolutionary ...
3
votes
2answers
120 views

Gender differences in IQ among undergraduate psychology students

While marking undergraduate coursework relating to gender differences, it occurred to me that there could well be systematic effects of gender on IQ among the undergraduate populations relied on for ...

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