Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Unanswered Questions

929 questions with no upvoted or accepted answers
14
votes
0answers
2k 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 ...
13
votes
0answers
422 views

Is abstract knowledge incompatible with literal memorization?

Let me describe 2 interesting cases : Solomon Shereshevsky (Luria, 1968) had an almost perfect literal memory. He remembers strings of hundreds of digits for years after only having read them once. I ...
13
votes
0answers
744 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 ...
11
votes
1answer
234 views

Do lonely people get addicted more easily than social counterparts?

The so-called "Rat Park" study conducted in the late 1970s indicated that lonely rats get drug addicted more easily than social ones. Does anyone know if there are more recent studies about the topic?...
10
votes
1answer
223 views

Is there any “predictive” component to positive/negative affect in Seasonal Affective Disorder and Bipolar Disorder?

I'm wondering if the human brain "predicts" how certain weeks of the year should feel? For example, a child who is going to school may have a more positive affect in anticipation of summer holidays, ...
9
votes
1answer
362 views

How does the Forgetting curve change after repeated exposure to the same item we would like to memorise?

There has been a long debate going on on the actual form of the Forgetting curve, but my question will be about its change when we review a previously memorised fact - Unfortunately, I couldn't seem ...
9
votes
0answers
126 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 ...
9
votes
1answer
373 views

Can lucid dreaming detract from the recuperative effect of REM sleep?

Imagine you mastered lucid dreaming, so you have a lucid dream every night. You might want to use this phase to do creative work or problem solving. Would this have a negative influence on the ...
8
votes
0answers
320 views

EEGlab: power spectral density from a single EEG lead

I was trying to get power spectral density of a time-series data. The sleep recording software we use, doesn't allow to export EDF format of an interval, only of the whole record, but it allows to ...
8
votes
0answers
160 views

What is the neurological mechanism behind the “fear of failure”?

Sometimes, the fear of failing at something can be debilitating, and more often than not present a barrier for that person to even try new things - the locus of the fear can be quite different between ...
8
votes
0answers
66 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 ...
8
votes
1answer
5k views

What is the difference between a need, a drive, and a motive?

Going by Hull's drive-reduction theory, as stated in Psychology, by Ciccarelli, 4th edition: A need is a requirement of some material (such as food or water) that is essential for survival of the ...
7
votes
0answers
64 views

Probiotics and Mental Health

While trying to find research articles within the realm of Psychosynthesis, I have been looking at the "collective unconscious" Image Source: Wikipedia Commons - (CC BY-SA 3.0) Lower Unconscious ...
7
votes
0answers
225 views

Non-computational models of cognition

There is a question on this site that asks a somewhat related question, whether there are non-physical models for cognition. However, that question still assumes a computational paradigm for the non-...
7
votes
0answers
254 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 ...

15 30 50 per page