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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Metacognitive strategy in terms of cognitive science

Anything I can find about term 'metacognitive strategy' or 'metacognition' is related to teaching or learning strategies, but I wonder what does it actually mean in terms of cognitive science.
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What spatial qualities suggest human actions such as running, jumping or walking

Suppose you are walking along the beach, suddenly you feel the urge to start running. Or when you find separate platforms floating in the air. You know that you should stop walking, and jump! Where ...
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Can a student being asked a question trigger a true fight-or-flight response?

I have a professor who, in a lecture, briefly describes the neurophysiology of the "fight-or-flight" response. She states "in the hierarchy of information processing, emotional data ...
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How communal parenting, through the develpment in the prefrontal cortex, could lead to a better emotion regulation? [closed]

In this Michael Meaney interview, he let an open question at the end. He mentioned that communal parenting, could "in some ways buffer the child by having potentially more positive sources of ...
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Is it possible to use mixed-effect models on averages dataset?

I have an EEG dataset with participant ids and averaged signal to noise ratios for different different conditions and regions. Can I use a mixed effect model for this dataset (e.g., lmm(SNR ~ ...
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Why does mental work cause fatigue?

In Mental Fatigue: Costs and Benefits, Boksem and Tops advance that mental fatigue results from the brain's decision to save energy: https://www.researchgate.net/publication/...
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Progressing Emotional Regulation through the 4 stages of competence

As you activate the parasympathetic nervous system through meditation your overall emotional regulation drastically improves. But as you activate the PNS in this aspect are you accelerating your ...
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How action potential is generated while dreaming

I would like to know what generates the action potential in the brain areas that is relevant to dreaming, since our sensory nervous systems don't work (or do they?). What else can generate the action ...
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Question about the role of the sensory receptors compared to the sensory cortoces

I have two questions regarding the fact that each sensory receptor has its specific ion channels that open in response to a specific stimulus (for example, ion channel that opens when streching for ...
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Is the symbolic meaning of dark/black and light/white innate in humans?

Dark/black and light/white have symbolic meanings(1, 2). Dark/black represents, among others: Grief, evil, mystery (often with hidden threats), lack of knowledge, etc. Light/white represtents, among ...
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Is it normal to seek revenge when there's no rational benefit of it?

My understanding of the psychology of revenge has always been very simple: if you are wronged and do nothing about it, the perpetrator and everyone else who learns about that may get tempted to wrong ...
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How a signal is generated by the brain when we want to move a body [duplicate]

I've read tons of articles about how moving our bodies is going on. BUT I've found some part of topic just IGNORED. ALL authors just pass the part "our brain generates the signal". I have been trying ...
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Question about the left-brain interpreter characteristic

I got to know the concept that the left hemisphere of the brain has the ability to infer conclsions about the world, even if the information on which it relays is not necessarily valid, from ...
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Which part of the brain “lights up” most consistently when someone is watching cartoons?

I have a vague memory of learning that there's a consistent part of the brain that "lights up" when someone is looking at a cartoon rendering rather than a photo. Which region would this be?
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Why are the sensations from different senses perceived joint? [duplicate]

Why are all the sensations from different senses all perceived joint and not everyone separately? Obviously, all the sensations are in the same physical classical system, if not, when we die, ...
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Long term effects of speaking & reading aloud while cutting yourself off from the auditory input

What are the long term effects of reading and talking out loud and while you can't hear the actual sound? Reading aloud increases your memory retention via the the production effect. But that ...
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1answer
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Why can't we do the things we know instantaneously?

In the following video eventhough people know that when handlebar of the bicycle is turned left the wheel of that bicycle is turned towards right and vice versa, they can't ride that new bicycle ...
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Dopamine is released in anticipation. What chemial is released when the reward is actually recieved and complete the feedback loop?

The figure shows Twice as much dopamine was released when there is a 50/50 chance of getting the reward vs 100%. So brain releases dopamine in anticipation of reward. But how does the brain confirm ...
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Testing Multilayer Perceptron [closed]

The following script is from Trappenberg's Fundamentals of Computational Neuroscience and is used to test a perceptron's robustness against noise. However, how would one alter it to test the output ...
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Can eye tracking be used as a form of biofeedback?

I'm an occasional meditator and I've noticed that conceptual thought often produces eye movements, and I'm curious if anyone has tried using eye movements as a form of biofeedback. The Muse headset ...
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Do weak spatial memory and good creative thinking are related?

Is there a correlation between weak spatial memory and good creative thinking? This seems to be contradictory, because if you look at the history, world famous chess player had good memory.Can ...
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Do We Memorize/Remember What We Listen While Doing Something Else? [duplicate]

Sometimes we do a task while listening to a song, conversation or something else. The moment we engage in the task, our concentration moves to the task, though our ear is open or on, and technically ...
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1answer
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Humans don't understand the accumulation of small numbers - what is this phenomena called?

I find that if you tell someone to give you 20$ vs. giving you 1$ everyday for 20 days - people react differently. Similarly ...
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How a living being (a huge collection of atoms) perceive things? [duplicate]

How a series of physical and chemical events leads to a very non physical/ intangible perception? For example, let's say a certain wavelength of light falls on the retina of my eyes, then the sensory ...
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Does thinking or focusing on something alter a neuron's speed?

I Googled about this but couldn't find any thing precise to be that does thinking about something hard alters the speed of neurons impulses? I have heard of neurons velocity being variable but want to ...
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Is there any categorization of cognitive abilities based on brain structure and biology?

I'm pretty sure that the answer to the following question is yes : Is there any categorization of cognitive abilities based on brain structure and biology? However, because I'm a newbie, I'm kind of ...
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Can one neuron denrdite be involved in different memories?

It's clear that neurons are involved in whatever memory. Suppose I see the image of a bird taking off over and over again. The image becomes imprinted in my memory. So when I think about this ...
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How does number sense develop in blind people?

From what I understand about number sense and numerical cognition, the visual system is heavily involved in the approximate number system and the object tracking system, which are at the root of ...
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slice spaing in rsFMRI

I have a rsFMRI sequence that includes slice spacing. I have not seen that before. Why anybody would add slice spacing between 2 measured slices? Is it a mistake or there is a rationale behind, eg ...
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Neuronal mechanisms underlying delusional beliefs about one's thoughts

Are there known neuronal mechanisms that somehow explain phenomena like thought withdrawal thought insertion thought broadcasting i.e. deviating-from-normal experiences and beliefs about one's ...
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2answers
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What can coma patients report about their experiences - if anything?

Coma is correlated to a significant inactivity of the cerebral cortex and the reticular activating system, while other parts of the brain - e.g. the limbic system - might still show considerable ...
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1answer
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Does an electrical stimulation of a right claustrum leads to a temporary loss of consciousness?

In a study by Koubeissi et al. (2014) there was an experiment on a patient to find out which part of the brain caused her epilepsy. In this experiment they have found out that if they electrically ...
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3answers
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Predicting the individual effects of psychotropic drugs

https://www.ncbi.nlm.nih.gov/m/pubmed/23796468/ I have searched the national library of medicine but I could not find any papers about predicting both the therapeutic and adverse effects on the ...
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Using the Brain too much?

The question is under what conditions can we overuse our brain? To be concrete lets focus on mental tasks like coding and math problem solving. Q1: How many hours of "fun"(i.e. stressfree) problem ...
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Detailed schedule of World Memory Championship 2019

I would like to get the detailed schedule of the World Memory Championship 2019 event. I am interested particularly at what date/time a player has participated. I don't find that information in the ...
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Research on using kinesthetic sense to guide cognitive visual model?

Has there been any research on how our sense of where our limbs are relatively to our body informs our spatial reasoning? For example, I think people might be more successful at hitting a nail with a ...
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Is the approximation of the Medial Frontal Gyrus in the region of the Dorsolateral Prefrontal Cortex?

I'm wondering if the MFG is located in the region considered the DLPFC?
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Mismatch negativity vs. mismatch response

MMN x MMR - mismatch negativity versus mismatch response: How are the concepts related and what is the difference between them?
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Triggering false sense of stimulus

When I pinch my right upper inner thigh I get a tingling sensation on my right upper forearm (on the inner side (near the place my forearm is touching the desk as I type)). I have had similar ...
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How does intelligence or general cognitive ability vary with level of CO₂?

The cognitive ability of humans is varies with the concentration of CO₂ in breathing air. But how does it vary? A very high concentration causes sleepiness, and sleepiness is a state of reduced ...
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How many synapses are there in a typical efferent somatic nervous pathway?

In Wikipedia page, it explains: The basic route of nerve signals within the efferent somatic nervous system involves a sequence that begins in the upper cell bodies of motor neurons (upper motor ...
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Noise in EEG Electrodes

Hello I'm desigining a home-made EEG and I have a question about noise interference in electrodes. I understand that the noise picked up by the electrodes tends to be much larger than the neural ...
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What is the mechanism behind the pain of cognitive dissonance?

How can the brain tell when two beliefs contradict each other?
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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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1answer
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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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How do we differentiate auditory-sequential/visual-spatial processing from IQ?

Are these processors simply categories within IQ? Are there only rough overlaps? Is auditory separate from sequential? Does auditory, etc. have differentiable subcategories as well? Thanks!
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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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