Unanswered Questions

18
votes
1answer
321 views

Development of social cognition as an alternative to the obstetrical dilemma

Human infants are strange in that they are born more helpless than the infants of other great apes. They are born with about 25-30% of their brain developed, compared to the 40-50% of other great ...
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
294 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 ...
12
votes
1answer
248 views

Human behaviour in one-shot perfect information games

Background A one-shot game is one where two participants have some set of actions $\{1, ... , n\}$, they make their decision on which option to take (without knowing the decision of their partner, or ...
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
2answers
227 views

The prisoner dilemma does not violate classical probability laws

To read before (following some answers or comments) My background: As a mathematician, probability theory is my field of research; please do not answer/comment just to refer to a course on ...
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
1answer
133 views

Why do many people play Candy Crush without ever buying anything while some spend all their money on it?

I'm trying to understand how free-to-play games like Candy Crush Saga use existing knowledge of the human brain to keep people engaged and how they convince players to pay money for in-game goods. ...
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
35 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
1answer
40 views

Is cortical magnification in the visual system related to synaptic pruning, or is it a separate developmental or learning process?

I'm primarily interested in learning about current computational models that explain cortical magnification in the visual system. With this in mind, my specific questions are: (1) Is this phenomenon ...

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