All Questions

5
votes
1answer
64 views

Is there any fMRI evidence for different “states of mind”?

If you've seen a snickers commercial, it goes something like "you are a different person when you are hungry". I'm interested if the person's brain actually looks different when observed through fMRI ...
8
votes
1answer
611 views

How to measure group differences incorporating reaction time / accuracy trade-off?

In a psychological experiment I am measuring subjects' reaction time as well as their error rate. Now I would like to compare two groups (males & females). There might be a bias in the sense that ...
1
vote
0answers
29 views

What are the reliable and valid test to measure working memory? [duplicate]

Possible Duplicate: How to reliably measure working memory capacity? I am currently doing my thesis on how different types of music affect the cognitive performance more specifically ...
7
votes
4answers
2k views

Is there an open-source / free official Myers-Briggs assessment I can adopt?

Background I've got an idea for a web site that uses one's Myers-Briggs type as part of the value. I've seen various web sites offer "quick quizzes" to assess one's MBTI, but I'm not sure how ...
5
votes
4answers
663 views

How to explain emoticons to an autistic person?

I am currently chatting in an IRC and there is one girl (i think she's about 18 years old) and she has Asperger syndrome and therefore is unable to understand countenance and feelings. She told me ...
2
votes
0answers
113 views

Does Cognitive Tunneling apply to daydreaming as well?

I've been reading a paper by Jarmasz J. (2005) on cognitive tunneling and am wondering if it applies to daydreaming? For instance, if for some reason I'm already thinking about something that has no ...
23
votes
1answer
170k views

How valid is Lumosity's Brain Performance Index and what normative information is available?

Background There is a test called Lumosity's Brain Performance Index. A sample profile of scores might be: ...
7
votes
0answers
181 views

'Model-free' learning in humans

In reinforcement learning, there is a stark distinction between model-based and model-free learning algorithms, where model-free methods don't make use any explicit information about the dynamics of ...
19
votes
1answer
513 views

Why is white on black considered higher contrast than black on white?

While researching to answer Why are "Inverted Colors" considered an accessibility feature? I noticed the puzzling claim that "White text on a black background is a higher contrast to the opposite, so ...
6
votes
1answer
330 views

What is the brain power devoted to vision and haptics?

I heard a talk by Vincent Hayward on the sense of touch as a multi-modal system, where he claimed that the brain power devoted to haptics is at least as big as the one devoted to vision. I have found ...
11
votes
1answer
228 views

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 ...
6
votes
1answer
115 views

Can non-verbal communication in interpersonal relationships be taught rather than acquired?

In my experience people living together in difficult circumstances (e.g. close friends, family members) often learn to relate to each other's non-verbal cues. For instance; A spouse may go shopping ...
6
votes
2answers
272 views

Is sub-vocalization when reading and writing merely a symptom of lack of fluency?

In reading & writing, I for one, find myself subvocalizing the statement to myself. This behaviour is language-independent. However, the effort and subvocalization involved is greater in any ...
7
votes
3answers
159 views

What is the name of the effect whereby socialising in a group reinforces group beliefs?

Background: There's this effect when you have some idea, i.e. that eating other people is (probably) cool, you join the group of like minded people, you talk about how tasty people are, everyone ...
13
votes
3answers
453 views

Longitudinal mobile mood tracking app with random reminders

The goal is to take simple measurements of mood using Likert scale over an extended period of time (e.g. two months). I know there is a large number of mobile apps for tracking mood on every ...
6
votes
2answers
432 views

Can scary movies trigger fight or flight and why can a person enjoy this while another does not?

Essentially, I understand the release of adrenaline can be addictive and that scary movies and events are a safe way of experiencing the drama without all the actual mess. but However, if we are ...
5
votes
0answers
222 views

Are presence questionnaires valid in a between-subjects design?

Usoh et al. (PDF) applied presence questionnaires (which are usually designed to measure one's feeling of presence in a virtual environment) in both a virtual and a real world environment in a ...
7
votes
1answer
1k views

Do lucid dream eyemasks work?

There seems to be a few eyemasks available that claim to help the wearer achieve lucid dreaming. For example: The NovaDreamer lucid dream mask works by detecting Rapid Eye Movement (REM) while ...
2
votes
0answers
123 views

What explains habitual or even occasional incidences of self-talk? [closed]

What are the scientific reasons behind someone talking with him/herself? Is it a disorder of some kind? By "talking" I also mean writing to self. By self-talk I mean a person (P) is talking with ...
5
votes
1answer
132 views

Psychological research on memorability of passwords?

There are lots of ad-hoc rules that people are happy to propose about passwords, such as: Pick a phrase you can remember easily, and then use the initial letters. A random short sequence of letters, ...
16
votes
2answers
3k views

How to reliably measure working memory capacity?

The capacity of human working memory is subject to individual differences. The number of items or chunks a person can retain in their memory may, have profound effects on a variety of other cognitive ...
13
votes
1answer
483 views

Is there a reasonably valid and reliable self-measure of computer literacy?

Measuring computer literacy or skill is important when grouping respondents for usability studies and other Human Computer Interaction studies. But for the life of me I can't find a good, simple but ...
17
votes
2answers
1k views

What is the threshold where actions are perceived as “instant”?

In Human Computer Interaction and User Experience there's some oft repeated rules of performance: 0.1 second is about the limit for having the user feel that the system is reacting ...
4
votes
1answer
750 views

How do we get used to smells?

How do we get used to smells? For example, you walk into a room with a certain stench, but it seems no matter how strong it may be, spending enough time in the room will allow you to stop smelling ...
9
votes
3answers
549 views

Is it possible to run multiple thought processes concurrently?

For example, let's say I have a friend sprinting a 50m distance and that friend wants me to time the race, but I don't have a stopwatch so I have to count "manually". Can I count while simultaneously ...
7
votes
3answers
1k views

How do songs trigger memories associated with previous experiences of listening to the song?

Background: If I like a particular song, I listen to it while doing other things until I get sick of that song. This creates an extremely strong bond between the two things: the song and the activity. ...
5
votes
2answers
335 views

Why do people donate money to others engaging in activities for charity?

In the UK and elsewhere individuals often engage in activities (e.g., running, shaving your head, etc.) for the purpose of eliciting sponsorship. The money raised is then donated to charity. ...
3
votes
1answer
2k views

Is there a correlation between EQ (EI) and IQ?

Is there a correlation, positive or negative, between emotional intelligence and IQ?
8
votes
1answer
114 views

Could Fitts Law be used to measure difficulty in platform genre games?

I've been learning about Fitts' law and am wondering if it's applicable to measuring the difficulty of platform type games where the challenge is to hit the platforms? If so, this could be used to ...
6
votes
1answer
93 views

When faced with a choice and trying to make a quick decision, are 2 options better than 3 or more options?

Bastardi & Shafir (1998) show how too much data disabilitates your decision making. There is also the popular Paradox Of Choice argument. However, I can't find a reference stating that, when ...
10
votes
1answer
182 views

At what point does a complex become pathological?

I've a first question so I apologize if the format is completely awry. I'm reading Meeting the Shadow: The Hidden Power of the Dark Side of Human Nature and I came across this passage by Edward C. ...
10
votes
1answer
120 views

What happens when a person “imagines” how food could taste like just from looking at it?

What processes are triggered by imagining the taste of food (let's assume it's sealed so that its smell doesn't reach the test subject's nose) only by looking at it, based on memories of food with ...
-3
votes
1answer
180 views

Why do some individuals enjoy watching horror movies? [closed]

What is a scientific explanation for why some people enjoy watching horror movies?
32
votes
4answers
4k views

Is Golden Ratio's association with perceived beauty a myth?

Many people advocate using the Golden Ratio in design (e.g. logo design). Is the Golden Ratio's purported aesthetic appeal supported by scientific evidence?
13
votes
2answers
1k views

Why do humans prefer symmetrical arrangement of objects?

Most of the times, we associate symmetry with beauty. The symmetry may be in architectural/interior design for instance. Why would this be so ?
6
votes
0answers
463 views

Cultural brain hypothesis and gene-culture co-evolution

Recently, Joseph Henrich of UBC has been promoting his cultural brain hypothesis. The goal is to explain a selection pressure behind the development of the human brain and general intelligence. The ...
8
votes
1answer
150 views

Does typical duration of Short Term Memory differ between tasks?

The duration of Short Term Memory is a fuzzy thing; Wikipedia notes several disputes over it's length and I recently alluded to this fuzziness myself. However, I wonder if part of the apparently ...
6
votes
0answers
168 views

What is the distribution of performance in academic programming subjects?

On Programmers SE there is a popular question about scientific evidence for whether some people either are or are not able to program. One person cites an unpublished manuscript by Dehnadi and ...
6
votes
1answer
426 views

Does breastfeeding lead to increased intelligence?

Several studies suggest that breast-fed babies become more intelligent children than formula-fed babies (e.g., Lucas et al 1992). Questions To what extent overall does research support the ...
4
votes
1answer
152 views

Is there cognizance or meta-awareness of classical conditioning?

Behaviorism's initial popularity was largely due to it's ability to take cognition and consciousness out of the equation; bringing it close to something that could be tested completely objectively by ...
5
votes
0answers
113 views

Chunking Patterns and Enjoyment of Applying Patterns

I've been reading a book "The Theory of Fun in Game Design" it talks about two concepts of psychology that I wanted to confirm are true. The writer the book isn't a psychologist. The two concepts ...
7
votes
2answers
764 views

What is the average amount of new vocabulary adults retain when learning a second language?

What are the realistic/optimal (or maximal) number of words of vocabulary that can be learned (retained and later successfully accessed) by an adult learner of a foreign/second language? (Unit: Per ...
9
votes
3answers
300 views

Do measures of Big 5 personality have a positive bias towards extraverted, conscientious, emotionally stable, ageeable and open individuals?

Background: One free measures of the Big 5 is the IPIP. I have noticed that IPIP items seem to have a positive bias towards items loading on the extraversion (EX), emotional stability (ES), ...
9
votes
1answer
225 views

Is religiousness a genetically heritable feature?

I know that parent beliefs have very strong influence on child, but is it possible that genetic factor also play a role? I doubt that the content of any religion could be heritable through genes nor ...
15
votes
0answers
202 views

Development of social cognition as an alternative to the obstetrical dilemma

Human infants are strange in that they are born more helpless than the infants of other great apes. They are born with about 25-30% of their brain developed, compared to the 40-50% of other great ...
17
votes
1answer
313 views

Do personality survey responses correlate to the success or failure of minimum wage employees?

I recently watched a friend fill out a personality survey for a minimum wage job. These surveys generally have a few dozen to as many as a couple hundred statements with which the applicant must ...
10
votes
1answer
151 views

Computational Model Linking Neural Activity to Behavior

A big question in neuroscience is how neural activity represents knowledge. We can use modelling to explore how different levels of neural activity- subthreshold currents, action potentials, local ...
5
votes
1answer
129 views

Measuring meta-intelligence

Does anyone know of any research in measuring metacognitive abilities (i.e. metacomprehension, metamemory, meta-emotions(?), etc) in people? In other words, I'm wondering if the same way we have IQ ...
5
votes
1answer
103 views

What makes the difficulty of an arithmetic item? The operation or its length?

When presenting someone with an arithmetic item, let's say 2+2, what makes it difficult? Is the item 2+2+2 only longer, or also more difficult? Does the mental operation of addition make the ...
6
votes
1answer
68 views

What psychophysical research published its data?

Can you point to published research in psychophysics that made its original* data available? *by 'original' I mean the trial-by-trial responses for each subject, and not some kind of aggregate that ...

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