Questions tagged [cognitive-neuroscience]
For questions regarding the study of the underlying neural substrates of cognition, especially those at the crossroads of psychology and neurobiology
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What happens neurologically and chemically when an individual is confused?
For example, trying to understand a mathematical problem and its solution, or abstract reasoning, but in the process get lost even have no clear idea of what part is 'not understood'
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What is the state of the art research of the consciousness level for high-level cognitive activity?
Everybody knows situations where activities requiring concentration and high level consciousness can over time become a "background" task.
For example:
you read a text aloud but think about other ...
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Has there been any research on the visual uniqueness (in terms of brain activity) of numerals from 0 to 9?
I need to carry out EEG experiments with stimuli being images of 5 digits between 0 and 9. In order to select these 5 digits, I wanted to know if there has been any research work that measures ...
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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 ...
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Noise ceiling estimate is lower than model prediction in RSA?
I am using representational similarity analyses (RSA) to compare models to some fMRI data. As part of this analysis I have computed noise ceilings for each of my regions of interest (ROIs). What's ...
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Neurodevelopmental Disorders, Cognitive Function and Causing someone to Learn
Children may elicit, either through active engagement or some feature of their personality or appearance, a response from their environment that might protect them from deprivation-related risk either ...
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Is it possible to segregate components of verbal and visuospatial working memory using n-back paradigm?
I am trying to segregate different components of verbal working memory and visuospatial working memory.
In order to assess verbal working memory I am using an auditory version of n-back task with a ...
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Reproducible Dynamic Causal Modeling/ model based effective connectivity analysis for fMRI
I am doing a Masters degree in Cognitive Neuroscience and was thinking on doing my master thesis on effective connectivity in Theory of Mind. I like the model-based approach of Dynamic Causal Modeling ...
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Is there a neurological reason why women do not occupy top positions in the chess ranking?
I want to turn arround this question posted on chess exchange where sociological arguments are given to explain why only two of the world's top 100 chess players are women.
Are there neurological ...
user23674
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Can new emotions be created or discovered?
Related: Are there emotions that only some people can feel?
Is there any known observed or theoretical process by which new emotions could be observed or discovered?
Although one may argue over the ...
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How to analyse skin conductance in r studio? [closed]
Anyone knows if skin condutance may be analised by some package in r studio?
I have a signal in txt.file and I need to analyse, however I dont have any tool or software to do this beyond the R.
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How much we should trust our brain
Our brain is trained from culture and environment that we're raised in. So we don't control what we're learning until we get to teenage. But by that time our behaviour is already been shaped. This ...
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Does OCD play a major contribution in an individuals suffering from anorexia nervosa?
Although I have seen several studies that did substantiate low self esteem having a significant correlation with anorexia nervosa, but does OCD also play a major contribution in understanding the ...
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What's the pathfinding algorithm the human brain uses?
I was trying to build a software simulation of people using different pathways in a city to get from point A to point B. I do know the Dijkstra's algorithm and the A* algorithm, but what they do is to ...
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Has there been any neuroscientific study of polydactyly?
I have been reading about polydactyly and found that surgery is only necessary in certain cases. It depends on way the extra digit on the hand or foot is attached.
For example, central polydactyly (...
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Active Sources Extraction
I am using the LORETA-KEY software for source localization, which gives as an output the current density of each voxel.
No voxel has zero current density, so which method should be used to decide the ...
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Will acquiring a second language improves the person's general intelligence and reading?
According to this information will acquiring a second language improves the person's general intelligence and reading, even if the individual started learning and have learned it after the age of 18?
...
user20280
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Is doubting a claim more taxing in terms of energy spent by the brain?
I was at a conference some time ago in a university near my city, a Neurologist was part of the various talks held there, and in his words:
"There is a, let's call it Neuro-Psychologic ...
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Is there a specific term for the notion of storing "algorithms" in human memory?
It seems to me that there is a pretty sharp distinction between storing a "fact" like "Chickens are birds" and storing an algorithm or routine like "how to multiply two 3-digit numbers". I find the ...
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Ritalin for treating attention and lack of focus in depression
I’d like to know if there’s research about the use of ritalin for treating attention deficit in Major Depression Disorder.
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Which neurodevelopmental disorders constitute learning disabilities?
I am actually looking at DSM-5 but I cannot find any exhaustive or otherwise comprehensive list or explicit association of which neurodevelopmental disorders are also learning disabilities.
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Timeframe in which thoughts are concieved [closed]
Are thoughts concieved in realtime or are they preprocessed chains ready to be thought or both (depending on the prospective) or am I asking a too generalized question to have any sense ?
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Analyzing EEG time-frequency data in a factorial design
I am trying to find the best strategy to analyze a set of EEG time-frequency data from 24 subjects, using 64 electrodes. This is an exploratory study as I have no a-priori hypothesis on where or when ...
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What are the neuroscience research findings on the importance of breaks in cognitive function and specifically learning?
When I say breaks I mean breaks between periods of the same course, breaks between two distinct courses, single days of, weekends, couple days of, few days of, longer periods of holidays of duration ...
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correction for multiple comparison over many ROIs
I would like to know how to correct a p value of a stiatistic when the same test was run over multiple regions of interest. The modality is MEG.
So, I have 4 Regions Of Interests, and I ran the same ...
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Does blood pressure increase during deliberate period of focus?
Does blood pressure increase during a deliberate period of focus?
My reason for formulating this hypothesis is personal experience.
A simple example is when I work, sitting, at the PC. Let's say I ...
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What is the exact chemical reaction that gives consciousness? [closed]
Something very bizarre is consciousness, it is our ability to virtually feel things such as emotions and ability to control our thoughts and physical movement.
We can also imagine a non-conscious ...
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Has the perception of time changed over the last century? (e.g. 1960's vs. now)
How does one measure perception of time? And has it changed over the last century? My gut feeling says that people in the 50s & 60s found time to be passing slower compared to people in the ...
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Why can't human thoughts be stored in metals?
As metals are good conductors of electricity and they can be charged by the electrical activity of thoughts, why can't human thoughts be stored in metals?
Why thoughts cannot be stored in the form of ...
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Are there any career(s)/career fields that are advantageous for people with Asperger's in "theory"?
What is the psychology/cognitive validity of this post reply for this question on Quora?
"Most certainly, professions involving creating automation for processes that seem random. Hence, ...
user20280
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Is the Thatcher Face Illusion only limited to face recognition?
The so called Thatcher-Illusion has been documented not only on humans but also in some monkeys.
However I can't find literature clearing out if this effect only applies to face-recognition.
What ...
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Have there been any right-hemisphere-dominant split-brain-patients? [closed]
Do any case studies of right-hemisphere dominant individuals who have undergone a severance of the corpus callosum exist? Thanks.
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Is there a Big Five personality assessment under an open-commercial license?
I am currently working on a project with a few students. It's an app that can test the big 5 personality test. The problem is, I am having trouble finding one that is under an open license and that we ...
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Do people still use ACT-R?
A lot of computational cognitive scientists seem to be working on Neural nets (mostly vision scientists), Reinforcement learning (mostly decision making people) and Bayesian Inferences. I could hardly ...
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Stress vs. Testing
I was reading somewhere and found that there are various levels of stress depending on time. It said that when under stress for 30 mins, memory is not as efficient. So I have two questions here. A- Is ...
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What are existing theories on competing wills in the mind?
To clarify a little further, I've read in different places that our brain could be composed of mini minds, that preform all sorts of actions. Assuming this is valid I'd think that of these minds, ...
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What is the term for learning to group objects
I've been googling this for a few days now but haven't come across what I'm looking for.
Scenario: A child has to learn how to identify species. When first learning, they might mistake a cat for a ...
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"Dyslexia" in reasoning?
I was trying to use logical argument with a friend of mine recently, and found that she was missing my point and completely misunderstanding my position. So I wonder if there is something like ...
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NREM sleep and REM sleep
Why is the first stage of sleep non-rapid eye movement (NREM) sleep, and why does rapid eye movement (REM) not happen during this first stage, although we remain partially awake?
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Cognitive ability and possible careers
I have a couple of times read articles saying something like "If you have an IQ of 130 you can become a physician, high school math teacher or lawyer. If your IQ is 95 you can work at a kindergarten, ...
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How are the brains of mathematicians different from typical people?
As a biomedical sciences student who also minors in Mathematics, I am often amazed by some of my classmates who really appear to be born for Mathematics (with regards to both their abilities and ...
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Yes-No question in 2AFC staircase test
I understand the task of a 2AFC test is to select one of the two stimuli presented (e.g. the stronger one), whereas in Yes-No test there is only one stimulus presented. But is it ok to ask a Yes-No ...
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Averaging a linear or nonlinear function treatment
In a hypothetical PET study, my sample consists of a clinical population which exhibit brain hypermetabolism. I divide my sample into two homogenous groups. One receives a treatment whereas the other ...
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Why do some people undergo sudden savant syndrome?
According to https://blogs.scientificamerican.com/observations/brain-gain-a-person-can-instantly-blossom-into-a-savant-and-no-one-knows-why/, sometimes somebody suddenly becomes a savant. I don't know ...
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If reality is just hallucination, how come different people see same objects
I wanted to ask this question for a long time but couldnt find any thing to support my argument. Today i found this https://www.ted.com/talk/...
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THC and the Brain damage
Are people who react badly(paranoia/more severe anxiety) to weed/THC at risk for damaging effects to the brain compared to the general population?
Does a certain type of brain chemistry/neuro ...
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Bilingualism and cognitive decline (or dementia risk)
There's apparently a fairly contested research area of bilingualism being neuroprotective against cognitive decline in old age, such as dementia.
What are the main points for and against this ...
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Cognitive Effects of studying for the LSAT?
Is this study/article scientifically valid.
http://news.berkeley.edu/2012/08/22/intense-prep-for-law-school-admissions-test-alters-brain-structure/
user20280
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Frissons on demand
Have you ever listened to music and it gives you "chills?" This response is called a "frisson," a french word meaning "to shiver."
When I want to access certain emotional and inspirationally charged ...
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What can be the causes of the difference in performance?
The box-plot above represents the number of programming tasks performed correctly in 30 minutes during an experiment by me. Each box represents an age group:
p1 = 6 - 7 years old
p2 = 7 - 8 years old
...
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