4
votes
1answer
58 views

Is there a difference between the time/effort it takes for the blind and the sighted to learn to read Braille?

The visually deprived brain undergoes extensive remodeling due to cross-modal plasticity. This leads to increased areas of the cortex being available for other purposes such as tactile processing. Now ...
4
votes
2answers
272 views

Terminology for introvert's frustration after excessive social exposure

Does anyone know if there is a phrase or term that describes the frustration an introvert experiences when they have had too much social exposure and need to be alone? As an analogy, I recently heard ...
4
votes
1answer
201 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, ...
4
votes
1answer
82 views

Optimal number of dimensions in multidimensional scaling

I have run an experiment on consonance-dissonance evaluation of musical intervals on 40 individuals using all the possible intervals from 3 registers (plus their inversions), and I want to apply a ...
4
votes
1answer
31 views

What study showed that humans can successfully detect objects within images once they are able to recognize those objects?

A professor in an online lecture I was watching referenced a study which he said showed that our ability as humans to detect objects within scenes (especially complex scenes) was very much connected ...
4
votes
1answer
65 views

If one is flexing a muscle, for any given motoneuron involved, how many action potentials occur per second to keep the muscle flexed?

Also, will the axon terminals in a given motoneuron ever run out of neurotransmitters to release if they are constantly undergoing action potentials (say in the situation outlined above where a muscle ...
4
votes
1answer
72 views

Is there a psychological explanation for the age of 18 being important in many societies?

The age of eighteen is an age that in many societies gives rise to various additional rights and responsibilities. Is there a scientific reason for assigning such right and responsibilities at the ...
4
votes
1answer
570 views

How to measure change in emotional responses when pre and post tests use different measures?

My research is to evaluate change of emotional responses of participants, after performing two types of game activities. Two groups of participants, Group A and Group B, will be assigned to Activity A ...
4
votes
1answer
137 views

What are the predominant cognitive effects that influence textual learning and recall?

I am a rulebook writer and editor, and I have been digging into the literature for cognitive effects and heuristics that affect one's ability to learn and remember complicated concepts from text. For ...
4
votes
1answer
66 views

What is the metabolic load of the visual system?

The brain consumes energy at eight times the rate that would be predicted from mass alone (20% of total organismic load). How much of this is drawn from the visual system? How does the metabolic load ...
4
votes
1answer
93 views

Effectiveness of spaced learning when the data have personal meaning

There is much study of spaced learning (expanded retrieval, spaced retrieval, spaced repetition system, gradual-interval recall, etc), and much of the discussion is about around the optimal ...
4
votes
2answers
80 views

The function of pumps in forming the resting potential

I am confused by the following. Apparently the resting potential of -65mV is reached when the two forces, diffusion and electrical gradient are in equilibrium. So why does the book say "The ...
4
votes
1answer
98 views

Correlation between anxiety/calmness and innovation development?

Is there any research or clues about whether anxious/calm people are more/less likely to be inventive / creative / develop innovations? I am interested about this both on an individual and cultural ...
4
votes
1answer
105 views

From a psychosocial standpoint, how is violence different from aggression?

I recently watch Steven Pinker's video on violence and figured out that I don't understand the difference between violence and aggression. According to Wikipedia aggression is: Aggression, in its ...
4
votes
1answer
116 views

Psychology behind repeated viewing of certain pictures and songs

Often it happens that we like to frequently listen to a particular tune or song or view some pictures or images repeatedly time after time. What are the reasons and psychology behind this?
4
votes
1answer
128 views

Psychology of a student

I'm a mathematics and physics tutor. I have a student in grade 9 who is very weak in the scientific subjects and she's been weak since 2 or 3 years even though she always had tutors. At first I ...
4
votes
1answer
222 views

Is implicit and explicit memory a useful distinction?

In principle I understand the distinction. Implicit memory is not consciously recollected but has an automatic character i.e. while I'm solving a task in math, I'm automatically using the concept of ...
4
votes
1answer
125 views

How can we determine an appropriate rate of decay for our scoring algorithms?

We build scoring algorithms for different customers in an enterprise environment. Typically they tend to measure most goals in either weekly, monthly, or quarterly intervals. We use a scoring ...
4
votes
1answer
87 views

How do certain frequencies of sound induce psychological states?

As one example, a specific low frequency beyond our hearing perception can make people feel nauseous and even vomit. I'm sure there are more documented studies surrounding the correlation of auditory ...
4
votes
1answer
585 views

What causes seizures to develop years after a childhood brain injury?

A friend of mine told me that her daughter was in an accident prior to the age of 12 which resulted in head trauma and brain damage. The child went through an extensive recovery process (relearning ...
4
votes
1answer
416 views

What are the key predictive traits of therapeutic success?

In my answer here, to this question : Does hypnosis in any form for any type of disorder work? It brought up the valid question of why people quit therapy. Obviously, if the therapy is not helpful, ...
4
votes
1answer
114 views

How can self-awareness be controlled and varied in a laboratory setting?

I was reading on deindividuation and its relation to self awareness. In many places, in the text that I am reading, it is mentioned that experiments were conducted to measure the effect of ...
4
votes
1answer
333 views

How effective are pharmaceutical or therapeutic treatments for jealousy?

This is the last of a series of questions I've posted about jealousy (see here, here, and here). What pharmaceutical and therapeutic treatments, if any, have been developed for managing acute ...
4
votes
1answer
100 views

The psychology of humility. Why do we not value our efforts?

This question has crossed my mind a few times, and quite recently on reflection it came up again. Why is it that we rarely value the worth of our efforts? By this I mean, why do people often have ...
4
votes
1answer
238 views

Can people alleviate a negative halo effect about them?

According to Wikipedia: "The halo effect or halo error is a cognitive bias in which one's judgments of a person’s character can be influenced by one's overall impression of him or her." ...
4
votes
1answer
174 views

Problem solving capability as a “function” of room temperature

I'm wondering, whether there is a correlation between environmental factors like temperature and the ability to solve problems (say math exercises). Although I am sure this has been studied, maybe ...
4
votes
1answer
65 views

How many samples are there when test subjects come through different recruitment strategies?

Let's assume I want to conduct a survey. To find test subjects, I post an ad in a local newspaper, one on a locally relevant website, distribute flyers in front of the train station, and have managed ...
4
votes
1answer
815 views

What happens to a person's frontal lobes when they have a breakdown from stress?

When a person gets really stressed out and has a mental breakdown what happens to their frontal lobes? I'm reminded of the clip from "What about Bob?" when Richard Dreyfuss has a breakdown when he ...
4
votes
1answer
292 views

Time pressure and learning

What are the effects of time pressure (salient vs. non-salient) and learning? Salient time pressure is basically when you have a countdown timer in front of you. Non salient time pressure would be ...
4
votes
3answers
191 views

Implementation Intentions and Mental Contrasting vs Meditation

Everyday I see so many studies on meditation. These include all types (mindfulness, TM, etc..). The studies only report positive results. Meditation has been purported to increase self-control and ...
4
votes
2answers
911 views

Is the Raspberry Pi capable of operating as a stimulus presentation system for experiments?

I'm outfitting a small behavioural lab with a fiscal-austerity-induced budget. I'm considering trying out a Raspberry pi for individual participant systems. My tentative plan is to run linux and code ...
4
votes
1answer
706 views

What happens in your brain when a concept “clicks”?

What happens in your mind when the "lightbulb goes off", or a concept "clicks" for you? Why is there such a threshold for human understanding? Existing searches: I've searched a good amount for it. ...
4
votes
1answer
82 views

Phenomenon causing people to change their opinion when they are asked to hypothetically defend an opposing viewpoint?

I remember reading a case study on this years ago and I am trying to track it down. The study involved asking people who held strong opinions on varied subjects to defend the opposite opinion in a ...
4
votes
2answers
238 views

Does each sensory neuron type have a characteristic spike sequence pattern?

Background It is known that all sensory information is input to the brain as neural spike sequences. Now, to distinguish between the spike sequences generated by retinal red/blue/green cone cells ...
4
votes
1answer
128 views

What positive techniques can be used to motivate individuals resistant to common gamification techniques?

A previous question I asked dealt with Gamification techniques to encourage people to perform online workplace training. We are hoping that we can introduce some game techniques to lift the ...
4
votes
1answer
575 views

Difference between “Social Roles” and “Social Groups”

The two terms "Social Roles" and "Social Groups" sound similar and I don't know if these terms are often just used interchangeably. Is there a specific difference between "Social Roles" and "Social ...
4
votes
1answer
56 views

Asaccadia adaptation

Can asaccadia (i.e., lack of saccades, due to neuronal or muscular damage) be overcome? Do other muscles (e.g., neck) compensate? Are the resulting gaze patterns the same as for saccades, and are they ...
4
votes
1answer
32 views

What is the ACT-R model of learning?

I am reading this paper titled: Effect of Temporal Spacing between Advertising Exposures In this paper, the author mentions the ACT-R model and how it explains an ...
4
votes
1answer
18 views

Could physically simulating neural structure on a fundamental level yield superior results to machine learning algorithms?

My curiosity is merely of whether (in a future where we have computers with the processing power of the human brain) it's possible that actually simulating a neural network's physical behavior on the ...
4
votes
1answer
54 views

Why are disorders discrete?

Disorders are usually discrete. For example, if you are given a test for, say, ADHD, they are usually only two results "you have ADHD" or "you don't have ADHD". Autism is treated as a spectrum, but ...
4
votes
1answer
55 views

What is known about the information that's passed upwards within the neocortex?

The neocortex is likely to process sparse representations in a hierarchy with information close to the raw sensor input appearing in lower levels and abstract concepts being appearing in higher ...
4
votes
1answer
119 views

Is there terminology for perceptual illusions at the moment that figure-ground reversal occurs?

I'm looking for a term in the perception / cognition area of research. I recently saw this visual illusion that 'flips' what is negative-space and what is positive-space. This is known in the arts ...
4
votes
2answers
52 views

Are there specific neurotransmitters for specific sensations?

Nerves can detect pressure, temperature, light (eyes), sound, friction- at least. Does each sensation have its own neurotransmitter? I'm only a little familiar with neurotransmitters. This page ...
4
votes
1answer
59 views

Can dendrite spines fire action potential toward the soma?

I am confused about how the signal propagates from the dendrite spines toward the soma. I believe it is commonly taught that the signal diffuses "passively", i.e. electrostatically with no ...
4
votes
1answer
54 views

What is the underlying genetic basis for ADHD?

According to Psychcentral depression, bipolar disorder, ADHD, schizophrenia and autism are traceable to the same inherited genetic variations According to AsapSCIENCE, depression could be genetic due ...
4
votes
1answer
47 views

What is happening neurochemically when we seek to reduce stress by taking aggressive action?

As a layman, it seems to me that humans have 2 primary strategies for controlling stress (cortisol). I tend to use the words “connection” and “aggression” to refer to these strategies. The ...
4
votes
1answer
44 views

Calculate criterion values for each confidence level (within SDT)

Take a 2AFC task, where people also give a measure of confidence. In the framework of signal detection theory, the criterion values for each confidence level are simply additional criteria, placed on ...
4
votes
1answer
53 views

How to examine person's awareness of a certain topic?

I am conducting a case study on the topic of refugees and asylum seekers. My particular interest is: How aware is my test subject of the reasons (political persecution, famine, war, ...) why these ...
4
votes
1answer
94 views

According to Yalom, what mental disorders are caused by inefficient anxiety coping strategies?

Irwin D. Yalom is a famous existential psychotherapist who's sporting his own theory about human psychology. Based on psychdynamics, he's stating that questions and thoughts pertaining to death, ...
4
votes
1answer
95 views

What is the relationship between top-down mechanism and priming the visual system in the following experiment?

I am currently conducting an experiment where a subject is shown a series of photographs of various objects. Each photo contains a single object. Before showing the photograph, a screen with a text ...

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