2
votes
2answers
86 views

Perception of abrupt noise

First question - sorry Cognitive Science is a closed book to me so I hope someone can give me an insight into this phenomenon. We have a child's toy that is activated by clapping of the hands. To me, ...
0
votes
1answer
21 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 ...
10
votes
4answers
8k views

Why do people laugh in serious situations?

I've seen people (including myself) that laugh for no apparent reason in really serious situations, such as in an argument or when receiving bad news. Although the other party is clearly very upset, ...
5
votes
2answers
83 views

Can our auditory perception be used to trick our visual perception?

"Our consciousness lags 80 milliseconds behind actual events...The 80-millisecond rule plays all sorts of perceptual tricks on us. As long as a hand-clapper is less than 30 meters away, you hear and ...
7
votes
1answer
171 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 ...
1
vote
0answers
23 views

Difference between forms of Culture Fair Intelligence Test (CFIT) scale 3

I would really like to know what are the differences between the form A and form B of Cattell's Culture Fair Intelligence Test scale 3? To my knowledge (reading the "methods" section in the ...
5
votes
2answers
175 views

Why is MATLAB so common in Neuroscience?

It is common knowledge that neuroscience -- particularly experimental neuroscience -- uses MATLAB more than any other programming language. I have always just taken this as a given, and pointed to ...
20
votes
3answers
369 views

Have ideas of “gamification” been applied to education?

Wikipedia defines Gamification as "the use of game design techniques and mechanics to solve problems and engage audiences." Khan Academy has received attention (e.g., see this post) for incorporating ...
0
votes
0answers
12 views

How are statistics on scientific papers interpreted? [migrated]

Let's take this research published on Plos ONE Increasing carbohydrate intake was associated with increasing stroke risk (HR = 2.01, 95%CI = 1.04–3.86 highest vs. lowest quintile; p for trend ...
1
vote
1answer
181 views

Is it possible to permanently improve long-term memory?

Many similar questions here ask either about working or short-term memory, or about various tricks and techniques to efficiently remember information. My question is, is it possible to improve the ...
6
votes
2answers
109 views

Are there NP-Hard or NP-Complete problems that humans a really good at solving?

It has been noted that humans are good at solving the travelling salesmen problem under certain constraints. Are there other NP-hard or NP-complete problems that human beings are good at solving? Has ...
3
votes
1answer
75 views

Annoyance in animals

When my dog (an English Cocker Spaniel, for what its worth) is behind some glass (e.g. a glass door or a car window) and someone taps on the glass, even just a little bit, she gets into a fit of rage. ...
0
votes
0answers
30 views

Is psychotherapy effective also with old persons?

Many researches proves the effectiveness of the psychotherapeutic approach. But an old person could be more rigid and less motivated to change. And I'm not aware of data on the effectiveness of ...
2
votes
2answers
49 views

How to test for malingering in criminals trying to deny capacity for criminal responsibility?

Psychiatrists and psychologists are often tasked with assessing a criminal defendant's competency to stand trial or his capacity for criminal responsibility. What objective tests are useful for ...
1
vote
1answer
40 views

What causes an inability to recall a melody, beat, or music?

Background: I have never been able to recall melodies to songs. I can play a song over and over again but the moment it stops, I cannot remember what it sounds like. I am referring to the ...
5
votes
1answer
68 views

What differences of opinion led to the Kahneman-Gigerenzer feud?

I have found many allusions to this feud, e.g. from http://nickdunbar.net/2012/05/23/thinking-fast-and-slow-by-daniel-kahneman/ and in Kahneman's trade book "Thinking, Fast and Slow". However, I have ...
2
votes
2answers
34 views

Can prosopagnostic (face-blind) people draw other people recognizably?

Is it possible for people with face blindness / prosopagnosia to draw other people (whose faces they cannot recognize) such that non-face-blind people can recognize the people being drawn ?
1
vote
2answers
49 views

Are there any serious neuroscientific theories of emotional valence?

Could anyone tell me if there are any serious neuroscientific mechanisms that have been proposed to explain how feelings of body states take on a positive or negative character (valence)? An example ...
0
votes
1answer
120 views

Comprehensive encyclopedia of nootropics for medical researchers and practitioners

Is there a clinically-researched and tested encyclopedia (or similar resource) covering all available nootropics currently known? The Wikipedia article was a helpful first stop; but I'm searching for ...
1
vote
1answer
34 views

Is there a psychometric tool for measuring the difficulty of mental activities?

It is often stated that Alzheimer's disease can be prevented to some extent when a person engages more often in challenging mental activities ...
3
votes
1answer
26 views

Are there any fMRI decoding papers examining the relationship between attentional cueing and activity in V1?

I'm interested in reading on the influence of exogenous attention on cortical representations in early visual areas, but so far my google-fu seems to be failing me. There seems to be some literature ...
2
votes
1answer
35 views

Finding consciousness through EEG

I've read an article about the consciousness in vegetative patients. Adrian Owen is one of the neuroscientist making research on this field. The article published on "Le scienze" was about the usage ...
2
votes
1answer
41 views

Is there a standard list of Default Answers which are used in Likert 'type' Scales

I have always had some trouble deciding what to use as the default answers when using Likert 'type' scales. Is there a default list of accepted answers to particular types of questions which are used ...
1
vote
0answers
17 views

How can I embed language proficiency assessment within an unrelated experiment design?

I'm in the process of designing a self-paced-reading & a grammaticality-judgment-task experiment, which should be performed by second language learners. It is crucial to the study is how the ...
3
votes
0answers
44 views

Neuropharmacology and Simulation

I've been wondering whether neural simulations have had applications in (cognitive)neuropharmacological research already. One always reads about the promise of the technology in helping us cure ...
3
votes
1answer
127 views

Why does munching sound unpleasant to most people?

When someone who eats food is munching, it sounds quite unpleasant for most of the people. What is the reason for this?
13
votes
5answers
2k views

Difference between parallel processing done by human brain and by computers

I am asking a question regarding parallel processing as done by billions of Neurons inside our brain and parallel processing done by our computers in a cluster for example or even on a Graphics ...
21
votes
6answers
2k views

What is the current “accepted” science behind dream interpretation?

I'm doing some casual reading about dream interpretation (meaning I'm reading the wikipedia entry) and the article mentions that there are several ways of thinking about dreams from a psychological ...
0
votes
1answer
25 views

Neural robots vs conventional robots

My friend is working on a robot that can be mind controlled. He basically wears a headset, and that headset translate brain signal into control signal to move a robot. ...
3
votes
0answers
38 views

Are innate intersubjectivity and theory of mind opposing theories or are they reconcilable?

What I get from Trevarthen's theory of innate intersubjectivity (2010) and the theory of theory of mind (Perner, 1999) is that they don't agree. A considerable number of studies in theory of mind ...
0
votes
1answer
34 views

How many action potentials from presynaptic neurons would be required to make a postsynaptic neuron fire?

I am looking for a rough estimation of the number of action potentials from other neurons required to cause a neuron to fire? I read here that a potential of ~ -55mv must be reached before an action ...
1
vote
2answers
42 views

What's a “mental disorder”?

Most people are held accountable for their actions. If diagnosed with a "mental disorder" however, they are often forgiven/treated more leniently and exempted from punishment. The same thing ...
1
vote
0answers
31 views

Has there been any serious research on subliminal messaging?

I certainly don't question the existence of subliminal perception which has been demonstrated many times in priming studies like those of Daniel Schacter and many others, nor do I reject the notion of ...
1
vote
1answer
42 views

What does double dissociation really tell us?

In psychological research, a single dissociation is when a manipulation leaves one cognitive function (say, A) intact whilst severing another (say, B). This indicates the functions A and B are at ...
2
votes
0answers
22 views

How to compute weights and bias for a McCulloch-Pitts neuron?

I am trying to learn how to manipulate McCulloch-Pitts neurons in order to determine their weights and bias based off of inputs. In this example I have inputs: x, y, z ∈ {−1,1} The neuron's output ...
10
votes
3answers
144 views

What kinds of information can (and cannot) be extracted from connectome?

Several scientific projects are trying to map the connectome, such as The Human Connectome Project. The connectomes of other organisms, such as C. elegans, have been mapped already. Having an ...
1
vote
1answer
45 views

Record an eye blinking waveform signal from EEG signals

I want to Record an eye blinking waveform signal from EEG signals , but it need to make a quiscent periods of recording , So how to make this quiescent periods(i.e the signal has a zero amplitude at ...
5
votes
0answers
46 views

How to compute auditory steady state responses?

Simple question: How does one usually go about computing an auditory steady state response (ASSR)? I have data where speech was amplitude modulated to a 40 Hz sine tone. There's 3.5 minutes of data; ...
1
vote
4answers
105 views

How is an emotion different from a thought or a sensation?

I don't know any good definition of emotion. I don't know what they really are, subjectively. I don't understand what makes an experience an emotion, as opposed to a thought or a sensation. What is ...
4
votes
0answers
85 views

Why do people avoid taking the last “donut”?

In many contexts (family, colleagues, etc), say there is a box of donuts for people to take (or any kind of treat or snack). A lot of the times we can observe that there will be only one left and ...
5
votes
1answer
34 views

What's the functional difference between the NEF and normal ANNs?

Aside from obvious biological plausibility, from a computational standpoint, what's the motivation of using the Neural Engineering Framework (NEF) instead of Artificial Neural Networks (ANNs) for ...
2
votes
2answers
112 views

What is the difference between social anxiety disorder and shyness?

It seems that there are similar symptoms shown by people who suffer social anxiety and shyness, but what is actually the main difference between them? Thank you.
0
votes
0answers
45 views

Is there a name for a personality trait (or psychological condition?) for adopting the accent, mannerisms, idioms or traits of others?

Is there a name for a personality trait (or psychological condition?) for adopting the accent, mannerisms, idioms or traits of others? I mean, unconsciously adopting, not "consciously making fun of". ...
2
votes
0answers
20 views

Is the SPAD-T textual analysis software still available?

I am looking for an old program called SPAD-T that is still used for textual analysis (especially in psychology). Can anybody tell me where I can download or purchase a legal copy? Failing that, ...
3
votes
1answer
82 views

Two different values for criterion in signal detection theory?

I'm a signal detection theory newbie. I have data with a classical SDT design: the participants can answer YES or NO to a question where the correct answer is YES or NO, depending on the presence or ...
9
votes
1answer
300 views

Fitting a psychometric function when data does not lend itself to a sigmoidal fit [pypsignifit]

I'm fitting a psychometric function to a range of data. The majority of this data lends itself to a sigmoidal fit (i.e. participants can do the task), but some individuals are absolutely unable to do ...
4
votes
0answers
32 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, ...
0
votes
0answers
19 views

What are the different types of cognition?

I am not a cogsci person trying to get a basic understanding of cogsci. I have just heard of the terms embodied cognition and distributed cognition. Are there other kinds of cognition theories as ...
-1
votes
3answers
59 views
5
votes
3answers
167 views

Why does your recorded or objective voice sound different to what you hear in your own head?

When speaking, I hear my own voice very differently from how others do and from what it really is. The sound differs in tone, pitch, volume, etc. For example, recordings of my singing or speaking in ...

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