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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8 views

Attention, working memory and goal management. What are the sub-components?

I recently read an article on the distracted mind. It spoke of cognition falling under different categories. Those categories of cognitive control were: The three major faculties: (1) attention, (...
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26 views

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?

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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30 views

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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1answer
54 views

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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32 views

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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1answer
4k views

Why do con artists like Frank Abagnale Jr. not feel guilt?

I just finished watching a video of Frank Abagnale Jr discuss his life history. Who knows if its true, but it is an amazing story. For those who don't know, Frank Abagnale is one of the most infamous ...
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1answer
140 views

Does knowledge of tests like Iowa Gambling and Wisconsin Card-Sorting task enable a person to fake the test?

I am interested in tests like the Iowa gambling test and the Wisconsin card-sorting test. If a patient understands how such a test works and the goals of the test, does this bias the measure obtained? ...
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81 views

Effect of plateau in BTSP

In "Behavioral time scale synaptic plasticity underlies CA1 place fields" by Bittner et al. an alternative to Hebbian plasticity is proposed called Behavioral Time-scale Synaptic Plasticity (BTSP). ...
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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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25 views

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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49 views

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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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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1k views

What causes words repeated in your head to start fading away from consciousness?

Background: I tried to do a self-control exercise that involved doing something boring like folding clothes while the exercise part involved repeatedly saying "focus" in my head, to stop daydreaming. ...
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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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31 views

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
56 views

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
32 views

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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1answer
143 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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3answers
576 views

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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Can music be addictive?

As playing games for a prolonged period, tend to develop a addictive behavior in humans, Is there any possibility for addiction to music? I.e., when a person listens to certain list of songs and gets ...
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2answers
665 views

Why do people who stutter have less difficulty singing than speaking?

From what I have read, stutterers tend to have much less trouble singing than speaking. Do we know why this is the case?
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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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5 views

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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1answer
21 views

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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23 views

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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205 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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410 views

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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1k views

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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28 views

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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21 views

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 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 conscienceness 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
31 views

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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2answers
116 views

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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2answers
104 views

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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120 views

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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46 views

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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22 views

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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85 views

How can higher concepts get unrolled with upward and feedback connections differing?

In the neocortex, input patterns are compressed hierarchically. Sensory inputs in the lower levels are combined by higher levels to form abstract concepts. However, there are even more feedback ...
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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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25 views

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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234 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 ...
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1answer
132 views

Using IT to quickly make a simulated brain

First of all, I would like to say that I know nothing about cognitive sciences. I am just posting this question because it interested me and I stumbled across this group in stack exchange. I was ...
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137 views

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 ...

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