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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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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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How do we get science interested in formal logic as a model of the logic of the human mind? [migrated]

To the extent that deductive logic is thought of as a capacity of the human brain, and to the extent that formal logic is meant to be a model of it, I believe a scientific approach is badly needed. ...
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Psychology of guessing number of objects

Someone I know is a pretty good guesser. One day we had a guessing contest, and went around the house guessing how many objects were in different containers. I was surprised that I was outperformed ...
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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? ...
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33 views

What neural mechanism allows humans to make phenomenological observations?

Phenomenological experiences are altered during mental illnesses, is there a way to objectively know about them, or atleast know how we know about them?
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1answer
44 views

How does a brain without sensory inputs function?

If for some reasons a brain would be deprived off all inputs, it (he/she) would still have memories to process and all thoughts would be based on past experiences. But in case a person was born ...
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1answer
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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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1answer
56 views

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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1answer
51 views

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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34 views

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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1answer
93 views

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, ...
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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?

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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24 views

Which are the arguments for asserting mental life/consciouness happen only in the cerebral cortex?

I've read many articles / researchs and they are hard to follow. Several times concepts are hard to understand, it would seem certain concepts such as "cognition" are fuzzy terms and they become part ...
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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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2answers
67 views

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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1answer
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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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1answer
70 views

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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125 views

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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117 views

Will studying formal logic improves logical reasoning?

Reason for asking question: I am looking to see if there is any good empirical evidence or study that shows or suggests that studying former logic or maybe informal logic would actually improve ...
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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/
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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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1answer
70 views

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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Cognitive biases ontogenesis

Are cognitive biases "hardcoded" into our brain or learned? And have they evolved over time e.g. more cognitive biases could emerge evolutionally?
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How do I interpret an effect of electrode position in ERP research?

The example I have in my research is that both conditions show greater amplitude and latency in the parietal electrode sites than in the occipital ones. I'm not sure how meaningful this is for my ...
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226 views

Is there any neuroscience research on the emotion of feeling nothing?

When people entering anechoic chambers, logically there is a sensation of silence because relatively speaking, the sound levels are much lower compared to some normal baseline Likewise, when there is ...
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1answer
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What extent is non linear dynamics and chaos helpful to study brain function?

Recently I've started reading dynamical systems in neuroscience by izhikevich and was fascinated by the subject. I would like to pursue PhD in computational neuroscience after my masters. Is it worth ...
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1answer
72 views

What are the neurological similarities between humans and primates?

I don't know exactly what primate specie is considered to be out ancestor. But the next question regards them. Assuming that in the beginning *we considered true the remnants of many trial & ...
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1answer
107 views

Is there any evidence for the cell assembly?

What is a cell assembly? In Principles of Neural Science Eric Kandel, and colleagues wrote: After this strengthening has occurred, a group of three neurons that are strongly coupled by excitatory ...
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1answer
31 views

What introductory textbook is available about the corticostriatal brain circuitry?

I want to understand the basal ganglia better. In particular, I want to understand the role of the corticostriatal brain circuitry for non-motor functions, including emotion and cognition. I have ...
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2answers
105 views

Is it possible to enhance one's learning ability? [duplicate]

I understand that the so-called brain training games like Lumosity doesn't work. But is there any exercise ( mental or physical) that I can do or medicine pills that I can take, that are proven to be ...
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The number of things we can focus on at once

In terms of computer science, a programming runtime like JavaScript can be assumed to have 1 thread, or one thing to focus on at a time. The processor moves sequentially through instructions, ...