5
votes
0answers
120 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 ...
5
votes
0answers
64 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 ...
5
votes
0answers
96 views

Does correcting responses after feedback lead to better learning?

In a typical supervised learning experiment, one might present visual stimuli, e.g. faces, one after another and ask participants to classify each one into one of two categories, e.g. A and B. Usually ...
5
votes
0answers
77 views

How to set up a binocular rivalry experiment, that splits a single image in two separately controlled ones?

The question is about the actual physical setup and steps needed to take in order to experiment with the phenomena. I found a tutorial on jove.com, "How to Create and Use Binocular Rivalry", and it ...
5
votes
0answers
96 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 ...
5
votes
0answers
48 views

Which political system stimulates individuals the most to strive for the greater good?

In September 2013 Germany will elect their new parliament, the Bundestag. On this occasion, the German Psychological Association (BDP) dedicated the current issue of their member's magazine report ...
5
votes
0answers
86 views

Is the logic of self-reported thoughts related to psychological disorders?

Depression seems to be a disruption in thought patterns. In particular, it is characterized by repetitive thoughts. Is it possible to characterize psychological diseases by looking at the logical ...
5
votes
0answers
49 views

How to compute auditory steady state responses?

Simple question: How does one usually go about computing an auditory steady state response (ASSR)? I have data where speech was amplitude modulated to a 40 Hz sine tone. There's 3.5 minutes of data; ...
5
votes
0answers
50 views

How can I prime aversion to conflict?

I'm looking for a way to prime subjects in an experiment to dislike exposure to conflict (arguments, anger between people, incivility, etc.). Does anyone know of a good method for this?
5
votes
0answers
72 views

What is it about the nature of slow-wave sleep that makes it difficult to awaken the sleeper?

In humans, delta wave sleep ("slow wave" sleep, stages III and IV by AASM criteria) is more common in children and becomes only a small percentage of total sleep time in adults. Cortical EEG waves ...
5
votes
0answers
89 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 ...
5
votes
0answers
77 views

Do widespread brain toxins explain violence rates?

Saw this: http://www.motherjones.com/environment/2013/01/lead-crime-link-gasoline Lead emissions from tailpipes rose steadily from the early '40s through the early '70s, nearly quadrupling over ...
5
votes
0answers
102 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 ...
5
votes
0answers
247 views

Effects of alcohol on muscle memory

Muscle memory (also referred to as "motor memories") is a form of procedural memory, which is a form of implicit memory. Studies seem to have shown that alcohol has no significant effect on implicit ...
5
votes
0answers
240 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 ...
5
votes
0answers
116 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 ...
5
votes
0answers
40 views

What is the state of the art in computerised coding of Thematic Apperception Tests (TATs)?

Thematic Apperception Tests (TATs) involve showing test takers pictures and getting them to write stories based on the pictures. Coding such stories for themes and traits can be complex, ...
5
votes
0answers
103 views

What processes underly confidence ratings in cognitive decision-making?

Many experiments in cognitive psychology and other domains ask for confidence ratings (e.g., on a 0-100 scale, 100 meaning "I'm sure I experienced this stimulus"). What accounts describe how these ...
5
votes
0answers
140 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 ...
4
votes
0answers
40 views

Why can some people not cry on demand?

Why is it, when we need to cry, it sometimes doesn't work? Is there any psychology explanation for this?
4
votes
0answers
27 views

What cognitively interesting event-related potentials at FP1, FP2, TP9 or TP10 can be measured with consumer-grade EEG hardware?

I'm looking for cognitively interesting event-related potentials at places like FP1, FP2, TP9 or TP10 that can be measured with consumer-grade EEG hardware. Right now I have an Interaxon Muse EEG and ...
4
votes
0answers
64 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 ...
4
votes
0answers
41 views

Why does injury cause brief unconsciousness?

I suppose I'm thinking specifically about head injuries, though this question applies to any injury that causes unconsciousness for, say, a few minutes. If you would revive so soon, why would you fall ...
4
votes
0answers
57 views

Which statistical tests to use when analyzing NASA TLX?

The NASA Task Load Index (NASA-TLX) is a subjective, multidimensional assessment tool that rates perceived workload. A set of different scales (Mental Demand, Physical Demand, Temporal Demand, ...
4
votes
0answers
45 views

What functions does the brain perform to recognize a familiar object unconsciously?

Let's say a person's brain experiences how a vehicle/object looks for the very 1st time. It would require lot of attention/focus/processing to analyse the object, extract features and train its neural ...
4
votes
0answers
33 views

Is there an experiment where participant tries to move object with brain-machine interface and object is moved by someone else?

Psychological experiment where subjects are first taught to move a object just by thinking about moving it (subject's brains are being read with a machine that moves the object). Then the object is ...
4
votes
0answers
26 views

Research connecting reflection/introspection in computing and metacognition

I would like to know if the notion of reflection/introspection in computing has prompted research in other fields other than computer science, e.g cognitive sciences. In particular, I would love to ...
4
votes
0answers
71 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 ...
4
votes
0answers
214 views

Body Language: Why do we give each other the grumpy/frowning fake smile?

I've recently become aware of this - I kinda knew I was always doing it, but just now it got me self conscious and thinking about it: When crossing paths with a stranger, you are supposed to be ...
4
votes
0answers
57 views

What would happen if you saw no form of light for a year?

It's proven that low levels of dopamine result in depression, anxiety, etc. And low levels of dopamine just means a lack of production or intake by the dopaminergic receptors. If the lack of happiness ...
4
votes
0answers
66 views

For binary (spike train) signals, take FFT of signal or autocorrelation of signal?

I want to characterize a binary time-series signal x (derived from neuron action potential data) in the frequency domain. Should I use the FFT of the original signal x, or the power spectrum (FFT of ...
4
votes
0answers
20 views

Is it possible to imitate two way communication between a brain and a limb?

Human muscles are controlled by action potentials that travel along the nerves. Below is an image of a train of action potentials that are decoded by the brain into a sensation or interpreted by a ...
4
votes
0answers
35 views

Notable work in social or personality psychology regarding social networking?

Today most of the people spend a lot of time socializing. What people post on Facebook/Twitter or any other social platform directly or indirectly reflects a person's psyche. I've developed a habit of ...
4
votes
0answers
43 views

How is the focal point determined when looking into a clear sky?

When looking into a clear blue sky, no cloud, birds, trees or any object to give a frame of reference. When a person is actively looking, as opposed to day dreaming or gazing. The sky goes for a long ...
4
votes
0answers
97 views

Solving T-shaped maze (probability learning): differences between rats and humans

From Jonah Lehrer's book "How We Decide", he mentions the experiments with rats and Yale undergraduates. I found the paper that (presumably) matches the experiment of rats. Brunswik, E. (1939). ...
4
votes
0answers
33 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 ...
4
votes
0answers
174 views

Is “Biophysics of Computation” still a good book?

To begin with, I hope this is the right place to ask - if not, please don't be too mad about it :) Currently I'm studying mathematics (2nd year) and I think I'm pretty into neuroscience. To "test" ...
4
votes
0answers
68 views

Does winning the Fields medal decrease subsequent research achievement?

I just stumbled on this summary in Slate of a study by Borjas and Doran (2012, FULL TEXT PDF). To quote the summary: According to a new study by Harvard's George Borjas and Notre Dame's Kirk ...
4
votes
0answers
78 views

Can asking a leading question in a poll change the opinion of the respondent?

Poll* questions if phrased in a way to suggest a fact to the reader, may force the person to think of explanations to support the view expressed in the question. This belief may then last on its own ...
4
votes
0answers
34 views

Derived knowledge from periodicity of harmonic motion?

This question is the third in a series, after: 1. Improved Typing as a result of slight movement 2. Neural Processes of Inducing Flow Background: Pseudo-random, 'swaying', motion appears to ...
4
votes
0answers
28 views

Are there modern cognitive techniques for dealing with searching for information online?

"Google it" is a common response to questions nowadays, and it indicates that people are more and more reliant on the internet for all kinds of information. Frequently this information is not ...
4
votes
0answers
35 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 ...
4
votes
0answers
74 views

What is the effect of routine versus demand driven sleeping of babies on long term sleep habits?

Comparing two methods of child raising: Routines: When babies are raised in a framework of a timetable; duration of feeding and nap times are scheduled. Demands: Where babies are demand fed, they ...
4
votes
0answers
80 views

Are we to a point in research that we can correlate measurable phenomena with brain changes?

Given that Long Term Potentiation (LTP) is the process of improving synaptic efficacy. Given that within a lab, the strength and repetition of stimulus on the brain can be linked with the priming of ...
4
votes
0answers
49 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 ...
4
votes
0answers
201 views

What is the cognitive basis for a sudden loss of confidence in social/professional interactions?

This question is similar to this earlier question, but from a very different viewpoint - what I am asking here is, what is the cognitive basis for a sudden loss of confidence? For example, if a ...
4
votes
0answers
364 views

Can bipolar disorder be considered a malfunction of the “love circuit” in the human brain?

I've not so long ago read a book on depression by a Russian psychiatrist Vladimir Levi. The book's title can be roughly translated as "Not only depression, but a pursuit of mood". I have not been able ...
4
votes
0answers
56 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 ...
4
votes
0answers
52 views

To what degree does environment govern the severity of symptoms in schizophrenia?

From what I understand about the physiology of schizophrenia it is thought to be caused by chemical imbalances resulting from genetic factors, fueled by environmental factors. I've garnered that ...
4
votes
0answers
25 views

What is the Mechanism of 5-HT2A-mediated psychedelia?

Drugs that activate the serotonergic 5-HT2A receptor (e.g. LSD, psilocybin, mescaline) are notorious for causing psychedelic experiences and I would like to know the neurochemical mechanism behind ...

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