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1,143 questions with no upvoted or accepted answers
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15
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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 ...
14
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0answers
453 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 ...
9
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1answer
416 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
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0answers
138 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
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0answers
477 views

Does female attractiveness correlate with age progression?

I'm interested in Evolutionary Psychology and the male perception of female beauty. One of the ideas I'm trying to investigate is the correlation between female fertility and her attractiveness. A ...
8
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0answers
438 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
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0answers
255 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-...
8
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0answers
365 views

If stimulus triggers dopamine release, can dopamine release trigger memory recall of stimulus?

Modern science of sleep is starting to lean towards a viewpoint that dopamine has an important function in dreaming, and that dopaminergic pathways - mesolimbic and mesocortical are activated during ...
8
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1answer
344 views

What are the neurological differences between varying types of love?

It stands to reason that the biochemical cascade involved when a person experiences love, gives a feeling of well-being and drive. Studies in neuroscience have involved chemicals that are present ...
8
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0answers
68 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 ...
7
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80 views

Supplementary Motor Area or Juxtapositional Lobule Cortex

Harvard-Oxford Cortical Structural Atlas now calls the 'Supplementary Motor Area' the 'Juxtapositional Lobule Cortex (formerly Supplementary Motor Cortex)'. I've looked for papers that explain the ...
7
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53 views

The brain physically changes with regular coffee consumption, but at what rate does it return to normal?

Question We know adenosine receptors A1 & A2 subtypes physically increase in the basal ganglia with prolonged caffeine exposure over the period of about 1-2 weeks, but at what rate do they return ...
7
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0answers
792 views

Fetish development through classical conditioning?

In an older, now deleted answer to another question, it's been said that classical conditioning is a posited mechanism for fetish development. A bit more googling found a popsci article claiming ...
7
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0answers
79 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
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4k views

Why does learning new mental skills lead to headaches?

Why is deliberate practice uncomfortable? For example, during learning college math and playing the piano. Why do we get headaches after long hours of practice? According to this question, learning ...
7
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0answers
102 views

Is there a hierarchy of gestalt visual stimuli processing?

Let's say that we have a set of shapes. They can be grouped according to the different Gestalt laws of grouping. However, different Gestalt principles will divide the set into different groups, e.g. ...
7
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277 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 ...
7
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495 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 (...
7
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0answers
363 views

Does limiting mental activity during the day increase mental performance later in the day?

Is there any scientific evidence to support the idea that you only have so much cognitive energy in a given day; and if so, would the mental abilities of someone who focuses on as little as possible ...
7
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111 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 ...
7
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0answers
146 views

Are there any cutting edge techniques that would enable one to acquire a foreign language at a relatively fast pace?

I am aware of immersion methods as well as mnemonics such as the one Daniel Tammet mentioned in Born on a Blue Day. I read that Kim Peek's lack of corpus callosum enabled his brain to absorb ...
7
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0answers
105 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 ...
7
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1answer
7k views

What adjectives can be used to describe emotional intelligence competences?

After reading the book Emotional Intelligence by Daniel Goleman, I'm having a difficult time comparing emotional intelligence (EQ) with Intelligence Quotient (IQ). When talking about someone's IQ we ...
6
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1answer
96 views

What is the relationship between mathematical ability and autism?

There have been studies [1],[2] investigating the relationship between autism spectrum conditions (ASCs) and mathematical or scientific ability. In the first study, Baron-Cohen et al (2007) examined ...
6
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62 views

Is Autism associated with an increased drowning risk for adults?

I have found several popular articles (e.g. ScienceDaily, The Globe and Mail, and WebMD) indicating that children with Autism have a significantly elevated risk of drowning. The general theory seems ...
6
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0answers
82 views

Why do some people not remember their dreams?

Why does the ability to recall dreams varies greatly from person to person? Why Some Remember Dreams, Others Don't https://www.livescience.com/38856-why-people-recall-dreams.html I decided to ask ...
6
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0answers
74 views

Definition of cognitive load

Wikipedia's page on cognitive load starts with In cognitive psychology, cognitive load refers to the effort being used in the working memory. Cognitive load theory differentiates cognitive load ...
6
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0answers
191 views

Validity of the “Common Factors” perspective

Research and practice in psychotherapy has been deeply influenced by two different approaches: the Empirically Supported Treatments (ESTs) movement, due to the development of Evidence Based Medicine (...
6
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0answers
200 views

Testosterone in women vs. estrogen in men?

It is known that women with higher estrogen are more likely to find men with higher testosterone as more attractive. Positive feedback is also known. But are women with higher testosterone level are ...
6
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0answers
236 views

Does Golden Hammer really exist?

Note: I am not talking about Law of the instrument. I am referring to the following (anti-)pattern of behavior: A person very competent in one area (say, Philosophy) peremptorily expressing his ...
6
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0answers
883 views

Does testosterone level cause more sexual dream content?

I have long been interested in dreaming, including how dream content can shed some light on brain chemistry. I did a search on the subject of testosterone levels altering dream content and see some ...
6
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1answer
114 views

Does this recent twin study contradict Anders Erricson's view on the hereditary basis of talent?

The Swedish Psychologist K. Anders Ericsson has published many reports stating that talent is "made and not born". In his book 'The Cambridge Handbook of Expertise and Expert Performance', he has ...
6
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0answers
54 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, ...
6
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0answers
88 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 - ...
6
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0answers
63 views

Are results of various cognitive tests meaningless if the subject has achieved them through training?

What I mean by meaningless is whether or not they lose their predictive power outside of the specific test employed to evaluate some facet of cognition. I don't study the cognitive sciences, but ...
6
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0answers
845 views

Have there been any recent replications of the Hofling hospital experiment?

In the original Hofling hospital experiment (1966): A person would telephone a nurse, saying that he was a doctor and giving a fictitious name, asking the nurse to administer 20 mg of a ...
6
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0answers
302 views

Confirmation vs peak-end bias - when does it make sense to “save the best for last”?

This question is inspired by Should I give the interviewers surprise? on Academia.SE. The strategy of "save the best for last" seems to be affected in conflicting ways by two cognitive biases: ...
6
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0answers
74 views

Is it sufficient to say self control eliciting the reduced ERN (error-related negativity) in cognitive control tasks?

The limited resource model of self control suggests that the exertion of self control can impair performance in subsequent cognitive control tasks (for details on the model, check this question. Most ...
6
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0answers
198 views

Do Kahneman–Tversky results hold for longer periods and aggregate behavior?

Kahneman and Tversky (1979) show findings that can be summarized in this plot: They show that humans dislike losses "more" than they like comparable nominal gains. The results come from a series of ...
6
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0answers
907 views

What to do when you have a speed-accuracy trade-off in your data?

Many studies report that a speed-accuracy trade-off (SATO) did not occur in the data since there is a positive correlation between RTs and error rates. In other words, people took longer to respond ...
6
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0answers
90 views

Grating orientation & frequency which induces highest gamma

I am doing some research on perception and gamma activity in V1 area. To check some of my results I need to find an experimental result, from which I would know which orientations and frequencies of ...
6
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0answers
50 views

What kind of feed-back scheme is there for a back-propagation feed-forward ANN for self-learning of touching a coordinate with robot arm?

I'm a beginner in this topic and are learning how to build an artificial neural network and different types of training associated with them. Right now, I'm trying to figure out self learning. For ...
6
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0answers
1k views

Differences between the way men and women interpret body language

There are many socially accepted ideas about the differences between men and women, I am wondering how much of this is misconception or based in reality. I was reading this question: How important is ...
6
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0answers
96 views

Current directions in emulation theory

Over the decades there have been several theories from various aspects of cognitive science that have appealed to a link between perception and action as a way of understanding information processing ...
6
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0answers
132 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
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0answers
79 views

What is the relationship between practice and performance of telephone call centre workers?

I am interested in modelling the relationship between practice and performance both in laboratory tasks and field settings. I was interested in what existing research has examined how the performance ...
6
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0answers
244 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 pre­...
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0answers
40 views

Avoidance Vs. Procrastination? Dorsolateral prefrontal cortex and the go-no-go task

The left dorsolateral prefrontal cortex (Ldlpfc) and the ventromedial prefrontal cortex (vmpfc) has been identified as having some positive functional correlation to procrastination. From what I ...
5
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0answers
49 views

Purported exorcisms - can hypnosis cause a person to temporarily experience phenomena similar to those labelled as “DID”?

I've seen several videos/documentaries featuring (usually self-proclaimed) exorcists, both Catholic and Protestant, who perform "exorcism" ceremonies in which they "cast out demons". I'm personally ...
5
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1answer
80 views

Does sexual orientation influence gender bias?

Let's take three people: Alice, Bob, and Carol. Suppose Alice is heterosexual. That should imply that Alice finds Bob attractive at some level, but not Carol. Does this mean Alice is more likely to be ...

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