-4
votes
1answer
169 views

Using natural language processing for traffic monitoring from video

I am stuck trying to learn how to use video processing as explained in the linked papers in the area of human behavior detection or traffic surveillance (any kind of monitoring activity). In ...
4
votes
2answers
785 views

When is it best to use PsycINFO versus Google Scholar?

PsycINFO is a abstracting service provided by the APA dedicated to research in the behavioural sciences to which many universities subscribe. Google Scholar provides a free abstracting service that ...
4
votes
2answers
202 views

What is the scientific basis for long-term negative physiological effects of overstudying?

I am interested in long term negative physiological effects that some students experience following overstudying. What is the scientific basis for overstudying? Is over studying correlated with ...
4
votes
1answer
621 views

How can motivation be increased by improving brain chemistry with nutrition and activities?

I'm reading some material about motivation and brain chemistry. One of the interesting articles is "7 Ways to Increase Motivation by Improving your Brain Chemistry". I'm interested in a more ...
8
votes
2answers
466 views

How good are people at guessing the ages of their respective ethnic group?

I have a Chinese friend and she says that she has a much harder time guessing Western people's ages than Eastern people's ages. No particular surprise here. For me it's the opposite. I have the ...
5
votes
1answer
349 views

Why do people regret actions they didn't take when looking back on their lives?

Is it true that individuals often regret recent actions (i.e., last few months) but when they look back on their lives, they tend to regret things that they have not done (or lack of actions) ? If ...
7
votes
1answer
248 views

Is there a circadian component to mood variations in humans?

I'm looking at this question about an Experience Sampling Method (ESM) app: Longitudinal mobile mood tracking app with random reminders The studies linked in the question deal with sampling of user ...
23
votes
3answers
2k views

What are some of the drawbacks to probabilistic models of cognition?

Probabilistic approaches to modelling cognition are increasing in popularity and being encouraged within the field (Chater, Tanenbaum, & Yuille, 2006). What are some of the arguments against or ...
2
votes
2answers
411 views

How effective is the NLP Reverse Movie Technique in dealing with traumatic experiences?

The Reverse Movie Technique (also konwn as The NLP Fast Phobia/Trauma Cure) is named as such because it involves playing a traumatic event backwards through your head. Is the technique effective at ...
6
votes
2answers
473 views

Can scary movies trigger fight or flight and why can a person enjoy this while another does not?

Essentially, I understand the release of adrenaline can be addictive and that scary movies and events are a safe way of experiencing the drama without all the actual mess. but However, if we are ...
4
votes
1answer
559 views

How does body temperature affect perception of time?

Does raising or lowering one's body temperature lead to different perceptions of time? And does this then control the virtual length of positive or negative emotions? For example, individuals might ...
5
votes
1answer
72 views

Is there any fMRI evidence for different “states of mind”?

If you've seen a snickers commercial, it goes something like "you are a different person when you are hungry". I'm interested if the person's brain actually looks different when observed through fMRI ...
17
votes
2answers
778 views

Applications of computational learning theory in the cognitive sciences

Computational learning theory (CoLT) is a branch of theoretical computer science associated with the mathematical analysis of machine learning. A lot of the early ideas of the field take inspiration ...
9
votes
1answer
746 views

How to measure group differences incorporating reaction time / accuracy trade-off?

In a psychological experiment I am measuring subjects' reaction time as well as their error rate. Now I would like to compare two groups (males & females). There might be a bias in the sense that ...
11
votes
1answer
142 views

How does daily amount of sleep vary within and between healthy adults?

I'm interested in research that has employed the following or similar research design: Measure the daily amount of sleep every day for an for an extended period (e.g., more than a month) in a ...
6
votes
1answer
381 views

What is the brain power devoted to vision and haptics?

I heard a talk by Vincent Hayward on the sense of touch as a multi-modal system, where he claimed that the brain power devoted to haptics is at least as big as the one devoted to vision. I have found ...
2
votes
0answers
118 views

Does Cognitive Tunneling apply to daydreaming as well?

I've been reading a paper by Jarmasz J. (2005) on cognitive tunneling and am wondering if it applies to daydreaming? For instance, if for some reason I'm already thinking about something that has no ...
1
vote
0answers
30 views

What are the reliable and valid test to measure working memory? [duplicate]

Possible Duplicate: How to reliably measure working memory capacity? I am currently doing my thesis on how different types of music affect the cognitive performance more specifically ...
8
votes
0answers
189 views

'Model-free' learning in humans

In reinforcement learning, there is a stark distinction between model-based and model-free learning algorithms, where model-free methods don't make use any explicit information about the dynamics of ...
6
votes
2answers
298 views

Is sub-vocalization when reading and writing merely a symptom of lack of fluency?

In reading & writing, I for one, find myself subvocalizing the statement to myself. This behaviour is language-independent. However, the effort and subvocalization involved is greater in any ...
19
votes
2answers
1k views

Are autonomy, mastery, and purpose the most important motivators?

I've watched the amazing TED talk where Daniel Pink lays out the contrarian notion that greater extrinsic motivators are unimportant (and sometimes detrimental) in comparison to three intrinsic ...
6
votes
0answers
258 views

Are presence questionnaires valid in a between-subjects design?

Usoh et al. (PDF) applied presence questionnaires (which are usually designed to measure one's feeling of presence in a virtual environment) in both a virtual and a real world environment in a ...
2
votes
0answers
130 views

What explains habitual or even occasional incidences of self-talk? [closed]

What are the scientific reasons behind someone talking with him/herself? Is it a disorder of some kind? By "talking" I also mean writing to self. By self-talk I mean a person (P) is talking with ...
13
votes
1answer
599 views

Is there a reasonably valid and reliable self-measure of computer literacy?

Measuring computer literacy or skill is important when grouping respondents for usability studies and other Human Computer Interaction studies. But for the life of me I can't find a good, simple but ...
11
votes
2answers
440 views

Is it possible to quantify cognitive bias?

We know that bias exists, and that it affects our judgment and perception. This effect has to do with user's experience in life. That experience is taken care of by the brain, and if you counter a ...
6
votes
2answers
47 views

What term describes the discrepancy in reported intention to vote and actual voting behaviour?

I am interested in prediction markets, where traders have a monetary incentive to bet on who they think would win in an election. I think that the financial incentive in prediction markets makes them ...
11
votes
1answer
341 views

Under what conditions does 60hz video produce visual artifacts?

There are some important thresholds of frame rate in video playback that effect whether or not animation appears fluid. This wikipedia page about Visible Frame Rate suggests that a framerate of 60 ...
10
votes
3answers
223 views

Can experience alter one's preferences for beauty?

My friend (a woman) is convinced that all men who find those posters of "women scantily clad in their bathing suits or thongs and big breasts (often fake)" attractive are simply brainwashed by ...
7
votes
1answer
396 views

What is the cognitive cost of switching contexts?

A common reason to use Conventions and standards in Human Computer Interaction is to limit the cost of Context Switching. I searched to find general evidence of the cognitive costs of context ...
12
votes
1answer
4k views

How to get rid of subvocalization?

When I read a text written in latin alphabet and I want to understand what it means I usually transform each word into spoken word (internal speech) and then I transform it into meaning. I can't ...
8
votes
1answer
145 views

How can STDP fit with reciprocal connectivity?

I have rather technical question regarding STDP dynamics. I am working on a neural network implementing an STDP learning algorithm, and have noticed that it is extremely anti-reciprocal. When two ...
10
votes
1answer
221 views

Are there any connectionist models that integrate reinforcement and fully supervised learning?

I've been working on modeling some phenomena involving real-time control in an environment with inherent rewards (specifically, playing a 'pong'-like game), and it's increasingly looking like ...
23
votes
2answers
1k views

Neural networks with biologically plausible accounts of neurogenesis

One of the reasons artificial neural net algorithms like cascade correlation (pdf) have been generating interest is because they start with a minimal topology (just input and output unit) and recruit ...
13
votes
1answer
251 views

Computational models of early learning in children

What are currently used biologically plausible computational models/frameworks of early learning in children? Personally, I have used cascade correlation neural nets to model pronoun acquisition ...
16
votes
2answers
320 views

How are newly created neurons recruited into existing networks?

As far as I understand, the basics of neurogenesis (abstracted down to the level that makes sense to a computer scientist) is as follows: Neural progenitor cells differentiate into new neurons that ...
9
votes
1answer
152 views

Is there evidence that STDP is responsible for the ability to infer causation?

Spike timing dependent plasticity (STDP) is a property of synapses that modifies their efficacy based on timing relationships between action potentials in the pre-synaptic and post-synaptic neuron. A ...
9
votes
2answers
681 views

In what ways can neurons fire randomly?

When developing a model of a biologically-plausible neural network, it is important to know all the circumstances under which neurons can fire. But, I am limiting this question to random firing. In ...
9
votes
1answer
290 views

How does neural spiking begin in the fetus?

I'm interested in modeling human brain spiking activity. How does the very first spiking activity begin in the fetus? I imagine all spiking activity is initiated by the senses and internal ...
13
votes
2answers
524 views

Biological plausibility of bayesian models of cognition

Inspired by this question: What are drawbacks to probabilistic models of cognition? I would like to know more about the biological plausibility of Bayesian models of cognition. Is there any neural ...
10
votes
1answer
198 views

What explains variability in the mean firing rate across biological neurons?

Biological neurons have a trade-off between high information transfer (high firing rate) and energy conservation (low firing rate). One would suspect that the maximization of this function has a ...
8
votes
1answer
115 views

What is the role of traveling waves in circuit formation during cortical development?

Propagating waves of activity have been characterized in various regions of the brain such as the visual cortex (Nauhaus et al., 2012). Recently they have been reported for the first time to occur ...
4
votes
2answers
636 views

Where is the visual “image” that we “see” finally assembled?

David Hubel's online book, Eye, Brain and Vision describes in great detail our early visual system. The image that we are conscious of when we open our eyes goes through a complex path: The final ...
11
votes
3answers
428 views

What are the key examples of the use of computational methods in the study of biological neural networks?

In an upcoming postdoc, I'm going to be looking through biological neural network data in the hopes of finding some interesting "patterns". I'm coming at this field from a mathematics/computer ...
7
votes
1answer
102 views

Can processing effort for sub-tasks in neural networks be measured?

I often heard statements like: 80% of your brain processing is computing the effect of gravity or, similarily: You only use 20% of your brain power My question isn't about the truth of ...
7
votes
1answer
143 views

Hebbian Learning Rule, Local or Global?

I just learned about the Hebbian Learning Rule. It essentially says "Neurons that fire together, wire together". I'm wondering if the learning rule is affected by the spatial distance of the two ...
14
votes
2answers
1k views

Why do humans prefer symmetrical arrangement of objects?

Most of the times, we associate symmetry with beauty. The symmetry may be in architectural/interior design for instance. Why would this be so ?
6
votes
2answers
959 views

Is there a correlation between facial features and personality?

Background: From block buster movies, to Snow White and the Seven Dwarf's, characters with certain personality and mental traits are portrayed looking a certain way. For example, the clumsy one has ...
12
votes
1answer
2k views

Do the Jungian Cognitive Functions/ Processes really exist?

Background Many of us must have come across personality theories like MBTI which use part of Carl Jung's concepts to make a theoretical system used to divide people into types. For example, MBTI ...
2
votes
0answers
169 views

What is the relationship between computer game performance and measures of ability? [duplicate]

Possible Duplicate: Any work being done on Perception, Action, and/or Cognition in Video games? What is the relationship between computer game performance and measures of ability?
8
votes
1answer
102 views

What research gives insight into the terms “low status” and “high status”?

Folk explanations of human behaviour often refer to "high status" or "low status", and the phrase sometimes pops up in more formal contexts (e.g. this question). However, one of the most cited ...

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