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
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1answer
2k views

What is the information storage capacity of the human brain?

Related/bonus points: I seem to remember reading about some equation that states the amount of information that can be held by a neural network with n neurons in it arranged in l layers, or something ...
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7 views

How move WM span task into a VR Task?

How a classic Working Memory Capacity task that can be translated into a VR Task? I want to study the effect of WM Load into resource allocation in a VR Environment. To do so I would like to move a WM ...
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What messages sent to the brain are life or death concerns? [closed]

I have a science research and my professor told me to research about the brain and this question popped out and after so much time of researching I couldn’t find an answer. Does anyone of you guys ...
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2answers
101 views

Is it true that mirror neurons can make a man with an amputated arm feel sensation just by looking at someone else's arm, like Ramachandran said?

In this Ted Talk Ramachandran sais that mirror neurons can make a person with an amputated arm feel sensation, is it true? And if so, why doesn't the brain feel a sensation by looking at someone else'...
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1answer
131 views

Are human behavior and brain dynamics well described as an optimization?

A very general approach to describe the dynamics of the brain is through differential equations. Instead, one could choose a more restrictive approach and describe it as an optimization. Can we assume ...
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Why is my memory composed of so many flashbulb memories? [closed]

I recently learned about flashbulb memories from Reddit and I seem to have a large amount of them in my memory. Yet they are just isolated bubbles. I don’t have a consistent hyperthemsia, just spurts. ...
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18 views

Is there a term for this style of thinking? [closed]

I have an early grandmother, over the age of eighty. After speaking to numerous family members that lived with her, my question is likely not from a condition caused by her age. It is also not a case ...
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If a person with Parkinson's disease is young at 20 years of age [closed]

If a person with Parkinson's disease is young at 20 years of age, what should he do to get rid of it and what are its causes?
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107 views

What neurological processes occur with 'revulsion'?

As the title asks, what neurological processes occur when we feel revulsion? By revulsion, I mean the involuntary and voluntary physical and psychological responses far stronger than the aversion ...
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Is a neurocongitive test invalid if self administered

Assuming the test was not designed to be self administered, could bias be introduced in such a way as to make the results invalid? Would the results be biased upwards or downwards or simply impossible ...
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30 views

Gestalt Principles of Perception

I have studied that Gestalt Principles are principles/laws of human perception that describe how humans group similar elements, recognize patterns, and simplify complex images when we perceive objects....
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20 views

What's the relation between distorted(REM) sleep and creativity?

I was recently listening to Huberman's podcast where he said that disturbed REM sleep causes people to make odd connections and I was wondering if there is any relation between distorted REM sleep and ...
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23 views

Can the Conscious Competence Learning Model be applied to emotion regulation

Can the Conscious Competence Learning Model be applied to emotion regulation? As you activate the parasympathetic nervous system by utilizing techniques such as meditation your overall emotion ...
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0answers
32 views

How does twitter allow certain people to perform mass manipulation?

Recently we have seen many billionaires doing mass manipulation with the use of twitter. Is there any line of research of the categories of manipulation these people are doing on twitter?
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1answer
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Why does learning new mental skills lead to headaches?

Why is deliberate practice uncomfortable? For example, during learning college math and playing the piano. Why do we get headaches after long hours of practice? According to this question, learning is ...
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23 views

Are lower frequency brain waves better for mental, abstract tasks?

Would a brain with in a state where lower frequency brain waves are more prevalent, be better at math, writing, music, logical problems and other forms of abstract thought? Or would that same brain do ...
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1answer
70 views

Can the human brain be simulated by a computer?

There is a Wikipedia page on brain simulation, but: Question: Could there be (experimental) evidence that the (human) brain cannot be simulated by a computer? Note that the Wikipedia page Mind ...
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1answer
59 views

Does the brain possess mechanisms to spot a feedback loop of self-induced negative sensation and relief?

Imagine a person has random psychosomatic itching and applies an ointment which brings relief. Could their brain wrongly assosiate the process that causes the itching as good as it brought relief? As ...
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46 views

Free will and neuron firing

I have been reading a lot about free will and the most recent neuroscience experiments in that field. However, one way question troubles me to which I have never been able to find any study. We know ...
2
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1answer
185 views

What are higher-level and lower-level brain functions?

The human brain can be described as a "Russian nesting doll" in the sense that the most ancient areas of the brain responsible for lower functions are located at its centre while newer ...
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0answers
7 views

Is there an upper bound on signals ascending from the sensory nerves through the medulla?

I'm starting to go down a research path related to haptic and embodied cognition. Though I haven't taken a deep dive into neuroanatomy (only a 300 level undergrad cognitive neuroscience course's worth ...
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1answer
58 views

What happens inside the brain when we concentrate?

What happens inside the brain when we concentrate (meditate), and why does a person find it difficult to continuously concentrate for a long time? That is, why does one need a break after working or ...
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0answers
15 views

Do stronger emotions take longer to process with dreams?

One theory of dreams is they help us process strong experiences. So I wondered whether one needs a longer sleep after some strong experiences partly to give the brain longer to complete the healing/...
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162 views

What is the neurobiological basis of Spearman general factor of intelligence?

I found a brief intro to the genetic factor of human intelligence: "Biology of human intelligence" by J A Böök (1976). Also it is known that gyrus hipocampii is basis of STM which have role ...
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1answer
158 views

What is the difference between Cognitive Bias and Cognitive distortion?

I was asked by my professor to give a presentation on the topic "Cognitive biases and distortions" and during my prep I had this question. Could anyone please shed some light? I tried ...
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Are there any ways to naturally speed up my reaction speed without any drugs?

I play a lot of video-games and did some research online and came to the conclussion that a certain set of things are linked to an above average reaction speed and an general improved cognitive ...
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14 views

How does neural synchronization happen and what if it doesn’t work like it should in healthy people?

How does neural synchronization happen and what results/shows up if it doesn’t work like it should like described here: Moreover, chaotic behavior stemming from self-organization processes in the ...
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If exactly one neuron magically disappeared from my brain, would my thoughts be significantly different?

If exactly one neuron magically disappeared from my brain, would my thoughts be significantly different? One can ask an analogous question about a single neuron (and/or its synapses) being magically ...
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What lies at the core of human brain's processing, is it a simple retrieval from memory or actual computation?

For example, let's say I am solving a tough Calculus problem, as is my friend. I have practised calculus problems for several months now. While my friend is new to it. So, I solve it easily while my ...
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11 views

How to monitor our own cognitive state

How can we assess our own mental state? For example, in the morning I always thought I am awake but I can always be more alert by showering. How can my brain tell if it's at a sub-optimal state? ...
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1answer
1k views

How does the brain structure 3D visual data?

Adobe Illustrator has taken over five minutes (and counting) to render a vector 2D image rotated 18° in 3D on my computer. And yet, I and nearly anyone else can easily visualize the subject rotated ...
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1answer
743 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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1answer
55 views

How is Pain Subjective and Different from Nociception

So pain is the sensory feeling that tells indiviual that something bad at some part of the body has happened. What I fail to understand is how is pain subjective? If we have touch receptors in the ...
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What is the size, volume, dimensions etc. of the central lateral nucleus in the anterior intralaminar thalamus in humans?

I have been searching extensively on the internet and journal articles for the size, volume, dimensions, etc. of the central lateral nucleus in the anterior intralaminar thalamus in humans but have ...
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4answers
413 views

Can humans be reduced to a function?

Based on an article by UK Essays, we are nothing more than robots that operate based on our past experience and other factors like amount of neurotransmitters, hormones, and other chemicals, trying to ...
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0answers
423 views

If stimulus triggers dopamine release, can dopamine release trigger memory recall of stimulus?

Modern science of sleep is starting to lean towards a viewpoint that dopamine has an important function in dreaming, and that dopaminergic pathways - mesolimbic and mesocortical are activated during ...
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0answers
25 views

What is the neuroscience behind copying dialect?

So everybody raised in the same area speaks with the same dialect, why is it so? What is the neuroscience behind this phenomenon?
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1answer
85 views

IQ-EQ oscillation

I know a guy who was very smart in school and university and had a high IQ. For example, in middle school he used to read high school science and math books like they're nothing but he had low EQ and ...
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2answers
367 views

Can LSD connect sensory regions in the brain?

How is it possible that after using LSD you can hear sounds and see colors? I have my own experience with this phenomenon. When I´m lying totally relaxed in bed and suddenly a door is closed loudly, I ...
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1answer
185 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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1answer
60 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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0answers
68 views

How would you explain the relationship between “ideas”, “beliefs”, “mental images” and “thoughts”? [closed]

I'd really like to know how psychology and neuroscience are working with the concepts of "ideas", "beliefs", "mental images" and "thoughts" nowadays. I'm ...
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0answers
14 views

Any neuroscience related intelligence theories?

Correlations between biological measurements and intelligence has been made in the past, e.g. blood flow or metrics like cortex size, though are there any specific neuroscience related intelligence ...
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1answer
30 views

Metacognitive strategy in terms of cognitive science

Everything 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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1answer
21 views

Is there a formal name for the effect/cognitive bias of seeing something new

I'm wondering if there is a formal neuroscience or psychology term for the following: We see something new, fresh, and different and as a result pause just a little bit longer to look it over. Imagine ...
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2answers
309 views

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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0answers
56 views

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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0answers
17 views

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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2answers
818 views

Why is it so difficult to use a “true mirror” as a mirror

This Youtube video shows what a "true mirror" is: https://www.youtube.com/watch?v=ZSxCZCy5Wsk In short, when you look into a true mirror you look at yourself (among other things) as you really are, ...
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2answers
184 views

Can a brain be modeled as a simplified interaction of different states and their triggers?

I've long been interested in the concept of "states of mind", which influence the perception of the outside world and outlook on past, present and future. They can be thought of as "colored lenses" ...

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