All Questions

366 views

Which statistical tests to use when analyzing NASA TLX?

The NASA Task Load Index (NASA-TLX) is a subjective, multidimensional assessment tool that rates perceived workload. A set of different scales (Mental Demand, Physical Demand, Temporal Demand, ...
894 views

How does goal-tracking and sign-tracking behaviour vary across species?

In Pavlonian (classical) conditioning, conditioned responses of an animal may vary. Some animals focus on the unconditioned stimulus (ie., food / location of food) while others may focus on the ...
78 views

How to get started in Cognitive Science? [closed]

I'm currently studying Philosophy and am planning to focus on the Philosophy of Mind/Perception + Philosophy of Language in the forthcoming years. However, I'd really wish to get into Cognitive ...
364 views

How can fear be a positive emotion?

Fear is something we all feel, and we typically experience it as negative. It seems difficult to treat it as a positive emotion or find any satisfaction in overcoming it. So my question is: Can ...
186 views

Why do battered persons love their partners?

Many persons who have been beaten by their partner, no matter how violently, claims that they do not want to leave their abusive partner because they still love them. A common phrase is: "I love ...
402 views

Is it possible to become totally envy free?

Can we develop a particular mind set for being totally envy free; to stop envying others?
113 views

Performance on secondary tasks next to a primary task is sometimes used to assess mental workload (Ogden, Levine and Eisner, 1979). For example, the Stroop test as a secondary task has been evaluated ...
53 views

What are the key dates for the development of operant conditioning?

I am trying to build up a timeline of the development of operant conditioning. So far I have the following $1898$ - Thorndike performs experiments using his puzzle box of which Skinner based his ...
69 views

Is there a relationship between body composition and intelligence?

Does being fat or thin have any significant effect on cognition? For example, I have observed some very fat people who are extremely intelligent and some very thin people that are not and vice versa. ...
238 views

Where does the distinction between motives and goals lie in activity theory?

Activity has an hierarchical structure, and can be analyzed at different levels: activities, actions and operations. (Leontiev 1974) (source: interaction-design.org) The top level is activity ...
49 views

I have been trying to practice speed reading, and found the removal of subvocalization technique, but it seems almost impossible to understand words without pronouncing them in my head. I think our ...
185 views

How to quantitatively measure strength of friendship using observable factors?

Is there any quantitative measure associated with the strength of a friendship or relationship? Ideally it should be able to be calculated based on observable factors, but should not require ...
39 views

Is it necessary to read signals and systems before statistical signal processing/ detection theory [closed]

For one who is interested in computational neuroscience and brain computer interface, in university curriculum (e.g. BCCN Berlin), it requires a course in statistical signal processing / signal ...
122 views

How to measure precision in classical test theory framework?

What methods or approaches exist or might be developed to measure precision of measurement in a classical test theory framework? Standards for Educational and Psychological Testing (American ...
658 views

Is autodidactism a feature that can only be possessed by special kinds of individuals?

I am from Brazil – at the current moment, education in this country is undoubtedly poor. I've been learning some things over the years on my own, mostly downloading content from the internet and ...
191k 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: ...
267 views

What cognitive processes occur during a mental exhaustion or 'burnout'?

Mental burnout - or mental exhaustion is not very pleasant, when one feels completely overwhelmed, something 'snaps' and it is hard to concentrate and maintain motivation. What are the cognitive ...
34 views

Spontaneity as object of investigation in the cognitive sciences

What are known studies, experiments, thoughts and literature on spontaneity? I am looking for anything relating to questions like "What does it mean for someone to be spontaneous?" or "What factors ...
47 views

What is the phenomenon that one can recognize a movie after seeing a scene for a fraction of second called?

I have experiences that while I was walking around the street, I saw a scene on a TV for a fraction of second, and I instantly recognized the correspondent movie. This is very interesting since at the ...
53 views

Is the weight of neural inputs in the human brain as central as it is for neurons in an artifical neural network?

As an example of an artificial neural net (ANN), a neural processing unit (NPU) is able to encode previous (learned) information by storing a weighted resistance for each input. Since ANN's are ...
53 views

What is the difference between creators of derivative works of art and original creators? [closed]

I like to write and am a frequent user on writers.stackexchange.com. Many questions there and in other writing or art related communities ask a variation of: I want to use the setting / characters ...
55 views

Why aren't more students tested for aptitude at a younger age? [closed]

I've discussed this topic with multiple former professors, particularly in vocational training, and they all seem to agree that it would have been more helpful for students if they had known what ...
174 views

Cognitive-Behavioral Therapy Limitations

In treating people with Cognitive-Behavioral Therapy: Which people can't be helped by therapy? How are some people more treatable than others? Additional Info In the comments of a blog post ...
49 views

Why “fractional” anisotropy?

Why is Fractional Anisotropy (FA), a measure in diffusion tensor imaging, called "fractional"? I'd have thought "local", i.e. voxel-wise, would have been the correct way to qualify the anisotropy that ...
4k views

Why do people suddenly look back if you look at them for a while?

You possibly are familiar with the following situation, I do not know if this is a researched phenomena or not however. You look straight at somebody for some time and suddenly, even though he or she ...
944 views

How valid are reaction times collected from online studies?

Online studies promise the possibility of greatly increased numbers of and variability in populations to study, but there are many potential concerns and need for validation, and diving in head first ...
590 views

What is the source and real meaning of “provisional living ” concept and is there an equivalent term?

I found in this blog post the following definition : Psychologists have a concept they call “provisional living.” That’s the insistence, so often heard from people whose lives are stuck on a ...
124 views

Are you more successful if you publicly commit to pursuing a difficult goal?

If you have an ambitious goal, does it help to publicly commit to that goal? For example, if someone is training for a long distance triathlon but doesn't know whether he/she will be able to pull it ...
83 views

Is there scientific evidence that narcissists cannot be treated?

I've often heard that people affected by narcissism cannot recover. I can understand that it's a long path and that a narcissist may lack the motivation and so on, but I wonder why cognitive therapy ...
43 views

What is the most comprehensive model of executive control?

Wikipedia has a nice summary of the various models of executive function, but what is the most comprehensive one? That is, the one that accounts for the most cognitive variations among subjects and ...
104 views

What are the practical uses of ontologies?

I have read many papers and books about ontologies, and I am trying to figure out that how they are used in a real project. For example, how can the ontology for a soccer player robot can be defined ...
321 views

What are effective strategies for increasing concentration and motivation when doing seemingly passive activities such as reading journal articles?

Background Unfortunately I am not a specialist in Cognitive Science I am just a regular CS student who has big interest in cognitive science. I want to share with you some interesting observation I ...
57 views

How successful are modern (2015) sentiment analysis algorithms for identifying emotion?

I see a number of questions about implementing text sentiment analysis algorithms on StackOverflow, and am interested - how effective are sentiment analysis algorithms at identifying the ...
98 views

What makes disengaged participants tired / exhausted after corporate meetings?

Why do disengaged people feel tired, fatigued or unfocused after long, "boring" corporate style meetings? (there is an agenda, but not everyone participates?) Over the years I've observed dozens of ...
88 views

Case: In case of an adult, the average adult sleep time required is 7.5 to 8 hours. Suppose the person (aged between 23-29) has slept only 6 hours, or less than the average time (7.5 to 8 hours). ...
29 views

What is the best way to learn in an environment that only has delayed feedback?

There are some skills that take a lot of time to learn because feedback is delayed. Examples I have in mind are weightlifting, healthy eating, and mindfulness. The promised effects of practicing these ...
119 views

In the theory of planned behaviour, what is the general term that captures attitudes, norms and perceived behavioural control?

The theory of planned behaviour is a model of behaviour that in simple terms assumes that attitudes, norms, and perceived behavioural control influence intention, and intention and actual control ...
27 views

What is the evidence for linguistic determinism?

Lately, I have been pondering whether the idea of linguistic determinism has empirical support. Background: I know a couple languages, and I am proficient in 2 of them. So sometimes if I need to ...
174 views

How does the brain break down visual information for processing? What “channels” is visual input broken into?

Some time ago I remember reading about how the human brain breaks down visual information into a number of individual "channels". For example, one channel might focus on edges and lines, another ...
80 views

Do distractors create false learning in multiple choice questions?

I use quizzes in teaching, but have started to worry that they do more harm than good. Here's why: We have all learned from "the testing effect" that the act of taking a test is part of the practice ...
139 views

Why do people look in the face or eyes while communicating?

While communicating, people tend to direct their gazes to the face (particularly eyes) of people. Why don't rather we look at their neck or just their chest or even their hair while communicating with ...
162 views

How respected is Viktor Frankl's logotherapy among modern psychologists?

Is Viktor Frankl's logotherapy still a live option in modern psychology, or is it considered outdated? I've heard it referred to as the "third Viennese school of psychotherapy", but my wife's ...
120 views

What are the most used statistical methods in WM research besides (generalized) linear modeling?

I mean, by cognitive psychologists. I skimmed over a few articles from Journal of Cognitive Neuroscience and Trends in Cognitive Science and concluded that ANOVAs and t-tests are mostly used (without ...
127 views

Do different methods of testing memory for character sequences result in different brain activation?

Assume a certain sequence of N characters, displayed on a screen one by one, that should be memorized. The speed of the display is such that it doesn't produce much extra stress. You may assume that ...
312 views

Why do con artists like Frank Abagnale Jr. not feel guilt?

I just finished watching a video of Frank Abagnale Jr discuss his life history. Who knows if its true, but it is an amazing story. For those who don't know, Frank Abagnale is one of the most infamous ...
166 views

The “Backwards Bike” and implications for how we think

Here's a video of a guy learning to ride a "backwards bike", if you turn the handles left, then the wheel goes right. It took the guy forever to learn to ride a backward bike. He kept remarking that ...
230 views

What is the correlation between self-monitoring and the Big 5 factors of personality?

Self-monitoring as a trait refers to a tendency "to closely monitor an audience in order to ensure appropriate or desired public appearances". It is commonly measured using the Revised Self-Monitoring ...
69 views

Why does “six months” seem like a “long time” even when it isn't?

Background: I had a (rental) property that I was planning to put up for sale. Then I "changed my mind" and said that I wanted to wait for the current year's appreciation, and sell in "six months" ...