15
votes
0answers
147 views

Does self-directed speech help or hurt a blind subject's auditory recognition?

Recently, it was found that self-directed speech was helpful to sighted subjects engaging in a visual search task: Participants searched for common objects, while being sometimes [sic] asked to ...
14
votes
0answers
293 views

Does dream recall interfere with “reverse learning”? (Crick and Mitchison's theory of REM sleep)

I've recently became aware of the idea of "reverse learning" that might happen during REM sleep - the brain's attempt to eliminate pathological attractors that might appear in neural networks. The ...
12
votes
0answers
158 views

Do animals that sleep during the day have a different sleep architecture than those who sleep at night?

A typical hypnogram, delineating the sleep architecture for a (human) mammal looks like A distinct distribution of non-REM and REM sleep can be observed. Is this pattern of sleep cycles ...
10
votes
0answers
76 views

What are some known roles or correlations of glucocorticoid receptor function to behaviour?

The NR3C1 gene encodes for a neuron-specific glucocorticoid receptor (GR), of which methylation levels have been shown to relate to altered maternal care and stress response in rodents (Weaver et al., ...
10
votes
0answers
1k 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 ...
8
votes
0answers
83 views

Have there been any studies into language development in the blind?

The title pretty much says it all. I'm looking for any studies or experiments into language development in those born blind. I'm interested as part of my investigations into AI on how language is ...
8
votes
0answers
48 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 ...
8
votes
0answers
72 views

Publicly available social networks in apes and hunter-gatherer societies

Social network analysis is an indiscpensable tool for sociology, and is becoming increasing popular in anthropology, social-psychology and other fields. There are many papers that examine the ...
8
votes
0answers
582 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 ...
7
votes
0answers
32 views

Are there any studies that suggest an evolutionary advantage of dreaming?

I've read the answers to this question. But I'd like to ask if, besides those suggested hypothesis, has anyone ever suggested that the advantage of sleeping could be to allow a profound state of rest ...
7
votes
0answers
51 views

What is “Predictive Reverse Engineering” and how can it be used for understanding brain structure?

Here is a quotation from the paper Markram et al., Introducing the Human Brain Project : New informatics and modeling approaches are making it possible to reverse engineer the detailed structure ...
7
votes
0answers
50 views

Curved/angled geometrical forms and association with femininity/ masculinity

Is there any research or theoretical reasoning on a strong inclination of human mind to associate curved forms with femininity and angled ones with masculinity? (A similar concept of association is ...
7
votes
0answers
75 views

Psychology of brand names

Marketers use the fact that different letters are associated with different mental images and emotions when they create brand names. Studies show that letters and their combinations produce ...
7
votes
0answers
198 views

Is there evidence to suggest that music can trigger release of a particular kind of neurotransmitter?

I've recently listened to a podcast, "The music in your brain", in which Dr. Daniel Levitin suggests that: Soothing music can trigger release of oxytocin Sad music triggers release of prolactin An ...
7
votes
0answers
317 views

Does data support Domhoff's neurocognitive theory of dreams?

Background: A friend described consistent feelings and themes during a dream. It is my understanding that the contents of our dreams are our subconscious/unconscious/preconscious processing stimuli ...
7
votes
0answers
33 views

Does distraction cause us to skip to the next step in a motor plan?

Often, if one is concentrating too hard on a particular task, it seems as though it's quite easy to skip to the next step of a plan of action. For example, a baseball infielder may attempt a throw to ...
7
votes
0answers
109 views

How to teach parents to apply early childhood interventions to improve cognitive outcomes in children?

I've watched the "My Brilliant Brain: Born Genius" documentary where they refer to the Abecedarian Project, in that investigation, a group of children that were exposed to early childhood education ...
7
votes
0answers
252 views

How do cooperative vs. competitive activities impact the learning patterns of an individual?

To what extent does cooperative versus competitive learning influence personality development or even pathological behaviors? If these activities need to be narrowed down to a specific category, I'm ...
7
votes
0answers
61 views

What is the correlation between self and other ratings of goal orientation?

In educational psychology goal orientation is a popular construct. In particular popular dimensions of goal orientation include performance-approach, performance-avoidance, and mastery. The studies ...
6
votes
0answers
35 views

Does the brain generate identical words in different languages similarly?

Saying (or even just thinking) a word or phrase results from activity in multiple regions of your brain. Of course, we can measure/'map' this activity to some degree; From wikipedia: EEG measures ...
6
votes
0answers
45 views

Where is neuroplasticity limited in the brain?

In this question, I'm defining neuroplasticity as being the creation of new connections between neurons. I'm aware that there is a high degree of neuroplasticity in the cortex and that new connections ...
6
votes
0answers
53 views

Are there emotions that motivate pattern completion?

I have been studying musical "tension." Musical tension essentially refers to the "expectations" one builds up in a melody that are then "released" when a stimulus matching the expectation occurs. For ...
6
votes
0answers
63 views

Do children really show brand preference at age 2?

As I was reading a marketing textbook, I came across a paragraph that stated research has shown children as young as two can show brand preference (although I haven't yet searched for the source in ...
6
votes
0answers
64 views

Why does appreciation make us happy?

Why does one crave facebook likes or a pat on the back. Our actions are always governed by this phenomenon, and I don't understand why.
6
votes
0answers
763 views

When a group of people laugh, people will instinctively look at the person they feel closest to in that group

Many people online seem to claim that: When a group of people laugh, people will instinctively look at the person they feel closest to in that group. You can find the claim in 31 Psychological ...
6
votes
0answers
128 views

Why do men have greater variance than women in mental test scores?

Hedges and Nowell (1995) write that Sex differences in central tendency, variability, and numbers of high scores on mental tests have been extensively studied. Research has not always seemed ...
6
votes
0answers
96 views

Difference between Logan's Instance theory and Exemplar-Based Random Walk (EBRW) theory

I'm trying to find a clear explanation of the difference between Logan's instance theory (Logan, 2002) and the Exemplar-Based Random Walk theory (Nosofsky & Palmari, 1997). Am I mistaken that they ...
6
votes
0answers
137 views

Has there been a neuroscientific explanation of the color phi phenomenon?

The color phi phenomenon is a perceptual illusion in the visual domain which was demonstrated in an experiment by Kolers and von Grunau (1976). The experiment is as follows. A sequence of coloured ...
6
votes
0answers
178 views

Why has behaviourism fallen out of favour?

Despite the catchy title, I'm not interested in personal opinions here. I am however, interested in feedback on how to better phrase the question so as to avoid personal opinions. After some ...
6
votes
0answers
128 views

Why does clickbait use numbers?

Around the Internet, especially in social media, we see examples of hyperlinks in a common format that has been cynically dubbed "click bait" or "link bait". The idea is that authors publish these ...
6
votes
0answers
96 views

Is there difference between a memory of a dream and memory of waking experience?

I'm very interested in dreaming and have pretty good dream recall. This makes me able to recall and distinguish hundreds of experience within my memory and label them as "dreams". I'm trying to ...
6
votes
0answers
84 views

Which study design to use: nested case-control or case-cohort?

I am following a cohort of patients over time from which I am planning to sub-sample a sub-group of patients to pilot a new intervention. The plan is to compare the effectiveness of the new ...
6
votes
0answers
135 views

Is abstract knowledge incompatible with literal memorization?

Let me describe 2 interesting cases : Solomon Shereshevsky (Luria, 1968 - the Mind of a Mnemonist) had an almost perfect literal memory. He remembers strings of hundreds of digits for years after ...
6
votes
0answers
86 views

Resource on how to effectively develop within-subjects vignette based study

Background: Where I used to work fellow researchers used to have a task known as the CV task. The task required participants to answer a number of questions about a set of CVs (e.g., is this a good ...
6
votes
0answers
47 views

Source for turning cone cell opponent process diagram into equations

There is a diagram on wikipedia that is part of the article on the opponent process. I assume practical equations have been developed, at least reasonable approximations, but they appear to be missing ...
6
votes
0answers
133 views

How can I test whether Dorsal Raphe Nucleus(DRN) activity at night is related to variations in mood?

I'm reading this paper, which discusses Serotonin activity in the Dorsal Ralphe Nucleus(DRN), and even includes some mathematical models of how serotonin is released and reabsorbed. The paper states ...
6
votes
0answers
155 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 ...
6
votes
0answers
197 views

Online datasets for the disjunction effect and violations of the sure-thing principle

The disjunction effect (or violation of the sure-thing principle) is as follows: A dis­junc­tion effect occurs when peo­ple pre­fer x over y when they know that event A obtains, and they also ...
5
votes
0answers
12 views

Voltage sensitive dyes technique: 2-photons microscopy vs confocal microscopy

I just discovered voltage sensitive dyes technique and I was wondering what would be the advantage to use 2-photons microscopy compared to confocal microscopy? They are both fluorescent techniques ...
5
votes
0answers
48 views

Find the panda among snowmen!

I just saw this picture puzzle, and found it easily by doing a row-by-row scan, but it seems harder to find it just by looking around. I was thinking that the puzzle was intentionally designed to ...
5
votes
0answers
63 views

Does Stockholm syndrome have an equivalent for victims of stalking?

According to Wikipedia, Stockholm syndrome is: a psychological phenomenon in which hostages express empathy and sympathy and have positive feelings toward their captors, sometimes to the point of ...
5
votes
0answers
55 views

How much of brain power consumption is for information

As previously answered on this site, the brain uses 20W of power. However, how much of this power consumption is for information processing and how much of it is for maintenance of biological ...
5
votes
0answers
76 views

Is intelligence (or mental ability) genetically transferred (inherited characteristic) from the parent to the offspring or is it an acquired trait?

The question is simple- whether our mental ability i.e. ability to acquire and store knowledge and comprehend and analyse the stored bits, an inherited trait (i.e. genetically transmitted from the ...
5
votes
0answers
45 views

Why cerebellar input fibers use 2 ways to send a siganl to DCN?

Both groups of input fibers of cerebellum (mossy, climbing) start 2 pathways: 1) project directly to the deep nuclei 2) project to cerebellar cortex, which then (after some processing) sends ...
5
votes
0answers
39 views

Is it easier/faster to recognise digits or written words?

Is there any peer-reviewed evidence which suggests whether it is faster and/or easier for a native English speaker to recognise digits (1, 2, 3, 4) vs. full written English word equivalents (one, two, ...
5
votes
0answers
45 views

How long does it take to learn to cane travel?

How long does it take the average person (either sighted or blind) to learn to use the guide cane successfully for mobility purposes? Source: Lions. Because required training times will depend on ...
5
votes
0answers
58 views

Would courts sentence differently if we used a different numeral system?

I hear a lot in the media about people sentenced to go to jail for a number of years divisible by 10. Does our numeral system affect it? Would courts sentence the same if we counted - for example - ...
5
votes
0answers
109 views

Why does marijuana cause an increase in anxiety?

Marijuana has a lot of effects that benefit people who need it medically. However, one of its disadvantages is anxiety. Does anyone know the reason behind the anxiety? Is it from the marijuana itself ...
5
votes
0answers
67 views

Can emotional IQ be learned?

Can emotional IQ be learned? This question concerns both the general population and those with lower than average emotional quotients such as individuals with Asperger's, or Autism spectrum disorder ...
5
votes
0answers
29 views

Are there psychiatric medications that have an anti-tolerance effect?

Patients usually develop tolerance to their psychiatric medications when used over a long period of time. This is because of how the brain gets used to the dosage in order to reach equilibrium again. ...

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