# All Questions

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### Can someone clarify whether the term “heuristic” as used in psychology can be used to refer to an intentionally chosen strategy?

In my cognitive psychology class, we discussed heuristics. An example of a heuristic is loss aversion. Thus, in this context, a heuristic seems to be a general rule of thumb for how people behave. ...
132 views

### How should I report results of a likelihood ratio test?

I'm using likelihood ratio testing to assess whether a behavioral model is a better description of my data than a simpler (so called restricted) model. How should results of such statistical tests be ...
108 views

### What are the different branches of Psychoanalysis?

I am trying to make a list of the main accepted branches of psychoanalysis to quiz a friend of mine. I don't know much about it and to learn more I need to know the main areas. So far I have ...
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### How does oxygen deprivation affect neural activity?

It is increasingly common for someone to regain a heartbeat after a cardiac arrest. During the time that the person is without a heartbeat, and so without circulation, the brain is deprived of oxygen. ...
82 views

### Does self-compassion have negative consequences? [closed]

Self-compassion is often compared with self-esteem and it seems that self-compassion is more effective and positive than self-esteem. A lot of studies have shown that excessive levels of self-esteem ...
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### Does synesthesia lack symmetry?

Some synesthetes report seeing bright flashes when hearing a loud noise. However, in the same person, bright flashes of light are not reported as being loud. I've read of other examples like this; ...
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### Spontaneous muscle twitching?

I am trying to understand the role of whisker twitches during sleep in the development of the mouse brain, and in general the role of spontaneous muscle activity in brain development. Thing is, I am ...
36 views

### Can having multiple personalities help productivity and decision making under pressure? [closed]

I understand having Dissociative Identity Disorder (DID) is not good thing but what about a mild dosage of DID under control, can it help? I am not referring to different roles that same person can ...
27 views

### Anti-psychotic medication withdrawal-induced psychosis

Can psychosis result from anti-psychotic medication withdrawal for a non-psychotic patient? That is, a patient that takes anti-psychotic medication for off label reasons, such as treatment-resistant ...
63 views

### Has the inverted spectrum thought experiment ever been conducted (and if not, why)?

The inverted spectrum thought experiment posits that you (the subject) wake up one morning to find that your colour spectrum (or some part of it anyway) has inverted. This experiment has important ...
37 views

### What exactly is an astroglial calcium wave?

There are quite a few conflicting reports as to what stimulates them, how they propagate, whether they communicate intercellularly, and what they look like. The only consistent information I can ...
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### Can a person remember so much details as the guy in the Camus' Stranger?

In the book, while in prison, he lives his days by his memories, thinking of his room, his furniture, the beach, each time recalling more details, imagining walking past it and this recalling took a ...
28 views

### Difference between active and passive touch?

I am considering the role of whiskers in the development of the mouse brain, and came across the following: 'we found that the signals sent to the brain by the whiskers during active touch differ from ...
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### How do cognitive scientists measure creativity?

Einstein said once something like creativity is more important than intelligence. Intelligence as it is measured is really one's speed and efficiency at processing information. How one processes the ...
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### Hearing Loss and Potentially hearing more

I've been diagnosed since I was younger (2nd grade) with a hearing impairment. Basically the nerve hairs on my cochlea are burned and I don't pick up 70% of the frequencies around me in my right ear. ...
146 views

### Ways to treat disorganized thinking, other than pharmacotherapy

Disorganized thinking is a cognitive deficit symptomatic of thought disorders such as schizophrenia. This affects your ability to process and connect thoughts and ideas, rendering them disorganized, ...
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### Computer-based cognitive tests

Maybe someone can point me out on the computer-based set of tests to assess the cognitive abilities of the adults? I am looking for something like ETS cognitive tests KIT that can be used online for ...
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### Optimal way to choose a number to be close to a randomly generated number

The basis game: A number between 1 and 100 (presumably an integer) is randomly generated. You, along with other people, choose a number between 1 and 100, without knowledge of the other numbers ...
45 views

### Are there any studies on links between clothing style and personality?

Reading about on personality psychology, I have met several vague claims that different personality types prefer different clothing styles. Apparently, people who are more keen to their senses will ...
151 views

### Is it possible to master two different typing keyboard layouts?

I am a good typist with qwerty keyboard, I came across other keyboard layouts (eg: Dvorak keyboard). I believe I will never be able to master these two typing layouts simultaneously. Am I right? or ...
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### Is modality-specific working memory capacity correlated within individuals?

The multi-component model of working memory posits different processes for phonological and visual working memory storage. Working memory capacity can be measured in a variety of ways (see: How to ...
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### Talk for lay audience: determining private traits and attributes from online behaviour

This question was referred from Cross-Validated Stack Exchange: I need to give a talk on statistic / machine learning as applied to determining an individual's traits and attributes from online ...
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### Studies of how people learn to solve puzzles

I would like to build a cognitive model that is able to learn how to solve a complex puzzle such as the tower of Hanoi based off of limited feed-back (set of valid moves, closer to goal, farther from ...
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### Analysis of RTs when speed-accuracy trade-off leading to ceiling accuracy has occurred

I know that it is not desirable for behavioural data to show a (within-subjects) speed-accuracy trade-off, as it can lead to e.g. the wrong interpretation of a single subject's decreased RTs as ...
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### Are adult negativity or resentment related to an infant crying for attention?

I've recently came across an idea, expressed by a spiritual author Ekhart Tolle, that for adults, the internal experience of negativity or resistance to life situations can be far more harmful than ...
67 views

### Qualitative scoring for responses to design fluency task

Before I can ask my questions, I have to give a little background information. I'm involved in a study using a measure of design fluency. Subjects are shown a page full of squares, like the one ...
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### What's the optimal type of exercise to increase BDNF

It is known that exercise has a positive effect on BDNF (brain derived neurotrophic factor). BDNF has a positive effect on mood and cognitive abilities. What's the optimal way of exercising ...
13 views

### Analyzing movement data for a checkerboard

For a psychology experiment - subject has to learn that the 2D grid is a checkerboard, and collect all the 1s (rewards). How do I test if subjects are actually doing it in the most optimal way -- ...
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### Relation between NEF and synchronous explanation of cognition

I'm having a hard time determining if synchrony (I'm talking about the type described in reference to the visual cortex as seen here and less about synaptic plasticity which also involves synchrony) ...
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### Tests of Semantic Memory suitable for 10 to 18 year old

I'm trying to find a test of semantic memory for students. We're working on a programme to explore the impacts of exposure to nature on a student's academic abilities (hoping to pique teachers ...
67 views

### Result of local stimulation in brain

What happens when we stimulate a brain in local regions? Some possibilities: We may trigger an action without the subject's awareness of the action; We can trigger an action in a subject, but we ...
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### Is it possible to train the brain to percieve two different activities occuring at the same time as seperate activities?

Let us consider the effects of orgasm: Rapid contraction of the anal sphincter muscle and Ejaculation. These two separate activities occur as one activity during orgasm. So is it possible to teach the ...
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### What is the neurophysiological mechanism behind double hearing?

A patient with sensorineural hearing loss can have the symptom of hearing "double" in the damaged ear. Not having a time-delayed echo, but hearing as if he (or other people) speak with "two voices" at ...
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### What are the main theories that account for why some people like X and others not? [closed]

For example, how does psychology account for why some people like peanuts and others hate them? This is a serious question, although perhaps naive. Sure, there can be some physiological explanations ...
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### Generate 2D grid with alternation probability

I want to generate a 2D grid environment with rewards distributed (1s are rewards, 0s are no rewards) based on an alternation probability as defined in this paper by Falk and Konald ...
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### How to compare cumulative sleep debts? [duplicate]

Let's say that after a period of sleeping perfectly, I sleep for the following amount of hours on some consecutive days. (Let's say the optimal hours I sleep is 8 hours. For the sake of simplicity, ...
79 views

### Is inhibitory brain circuitry involved in cross-modal sensory perception?

In many research articles, a vague description of a inhibitory circuitry in the brain is mentioned. This is presented as an inhibitory mechanism that prevents input from one sensory modality to excite ...
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### How do afternoon naps fit in with segmented sleep?

Both segmented sleep and afternoon naps are recommended over a monophasic eight-hour block of sleep, but I don't see how they fit in with each other. Segmented sleep is the theory/hypothesis that ...
32 views

### Do people perceive opacity of a color linearly?

I am trying to create a visualization for some numbers, each ranging from 0 to 1. I was thinking of representing each number by a color (say red) of a certain opacity corresponding to its value. For ...
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### Combining unbiased hit rates

I am analysing data on an emotion perception task, where participants must decide if a given face is happy, sad, angry or fearful (essentially a forced choice between 4 options). I am confident that ...
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### How are Bayesian models implemented in the NEF?

One of the much documented problems of Bayesian approaches to cognitive modeling is that there isn't much of a neural grounding. The NEF can be used to compute probabilistic computations with ease ...
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### If a human brain would be placed inside that of an animal: Could it talk?

Assumption: Animals can't talk 'human' because of their small(er) brain. Perhaps a strange thought, but I was really wondering: If we could place a human brain inside that of an animal: Would we be ...
135 views

### IQ and Performance in Different Fields

Suppose a person is considered intelligent based on his IQ score. For example, suppose Bob has a high IQ score and is very interested in pure mathematics. He would most probably excel in this field. ...
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### Description of an EEG experiment

I am working on Brain-Computer interfaces. In my project we try to control the movement of a robot in three directions, namely forward, right and left. We have done an EEG experiment where we have ...
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### Ranking of produced “brain fatigue” from different mind intensive activities

I'd like to know if there has been an study, or different studies for each activity with which the ranking could be done, that determines a ranking like that with mind intensive activities, I refer to ...
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### What is “Attention” in terms of brain activity?

A rather basic question, but I don't know the answer to that - What is human "attention" that can be focused on different parts of the body or outside objects? For example, I can focus my attention ...
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### Is there evidence to suggest that the different and contrasting behaviours we collectively call 'sensitive' have a common root cause?

There appear to be two different meanings of the word 'sensitive' when describing people's behaviour: that the person being described lacks the emotional resilience to cope with an everyday ...
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### What is the role of stress in the process of behaviour change (lifestyle)?

Clarification: I am specifically looking at lifestyle behaviour change. I suppose that stress can influence the process of behaviour change in many different ways. One would be just the changing of ...