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

Filter by
Sorted by
Tagged with
2
votes
1answer
36 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....
2
votes
1answer
21 views

where is the second electrode in case of electrostimulation

With electrostimulation or functional electrostimulation, a response from the neuron is generated by electrical impulses. But I always read, for example, that a stimulating electrode is above position ...
2
votes
4answers
19k views

What is the relationship between identity and personality?

I would like to know whether identity and personality are the same thing, as they both answer the question of who you are. Nevertheless in a cognitive approach, identity is considered a part of ...
1
vote
1answer
57 views

How move Working Memory (WM) span task into a VR?

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 ...
5
votes
0answers
89 views

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 ...
0
votes
0answers
11 views

How do you analyze temporal order judgments in the traditional way?

I'm looking at analyzing the just noticeable differences (JNDs) in temporal order judgment (TOJ) studies. A modern way to do this is with a multilevel model. And, I am going to do that. But I also ...
5
votes
0answers
57 views

How is interbrain synchrony physically possible?

In this survey of studies about interbrain synchronization, the authors talk about subjective reports of 'self-other merging' (non-singular experiences of consciousness). The supposition is supported ...
2
votes
1answer
26 views

What are the advantages of biphasic nerve stimulation?

One can stimulate nerves or muscle cells in different ways - with single-phase or multiphase pulses, cathodic or anodic, and via surface electrodes or implanted ones. What exactly is the advantage of ...
6
votes
1answer
234 views

How do humans perceive height or vertical drop?

I'm looking at this video: Neil Burgess: How your brain tells you where you are, which discusses neurons within the brain that help people remember where stuff is in relation to other objects. I'm ...
6
votes
1answer
506 views

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 ...
2
votes
0answers
27 views

Does the brain send signals continuously to muscles during movement?

If I make one swift movement with my arm, like just raising it, is my brain continuously sending signals throughout the whole movement? Or does it just send signals one time? The latter seems to make ...
4
votes
1answer
139 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 ...
0
votes
1answer
50 views

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 ...
1
vote
0answers
29 views

Is stimming purely a trait within autism?

Stimming is the repetitive movements often seen in Autism. Kapp, et al. (2019). states that: ‘Stereotyped or repetitive motor movements’ are characterised as core features in the diagnosis of autism, ...
1
vote
1answer
66 views

Can you use harmful addictions to build good habits?

I am reading the Pavlov's dog experiments, from it I learn that associating a dopamine high event with a neutral event will lead to later that neutral event triggering the same receptors in absence of ...
2
votes
0answers
35 views

Cognitive impairment in fibromyalgia

People suffering from Fibromyalgia (FM) and Chronic Fatigue Syndrome (CFS) often have memory and cognitive complaints. (Glass, 2006) In FM as in CFS, some abnormalities of cerebral blood flow have ...
8
votes
2answers
664 views

What is the neurological mechanism responsible for losing one's temper?

I'd imagine that losing one's temper is quite normal, I can not think of anyone who has not experienced it. For me, it is rare, but does happen, I find that there can be 3 broad stages occur (note: ...
0
votes
0answers
16 views

What is 4 circular question technique or questions of it to keep conversation going from psychology or psychiatry research papers?

Once i found some profesional questions, that i tried just for talking with friends. I found them in research paper when looking, googling maybe for ADHD but i think i was googling PTSD coping ...
3
votes
1answer
67 views

Lunar cycles linked with mental health issues?

From what I can find... Anecdotally, my mother used to work in nursing homes for the elderly and found that around the full moon, patients slept less and were more agitated. Anecdotal evidence ...
0
votes
1answer
1k views

Is quantum tunneling required for nerve signals to cross the dendritic synaptic barrier?

A person says: "It turns out that the synaptic barriers of dendrite brain cells are too thick for nerve signals to classically cross. This means that nerve signals need to use Quantum tunneling to ...
0
votes
0answers
28 views

Does the sensation of pain arise in the brain? [duplicate]

I can feel pain in my arm or in my brain. I have read that you can feel a phantom pain. As if the pain exists outside the body. There is a related process in the brain but the feeling itself seems to ...
0
votes
0answers
40 views

Electrical Shock to Brain as Form of Treatment

I would like to know what is the theory behind the electrical shock to brain to treat patients suffering from delusions? I am aware that thoughts are mere electrical excitation of neurons, so is the ...
8
votes
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 ...
2
votes
2answers
109 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'...
7
votes
0answers
113 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 ...
0
votes
0answers
17 views

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 ...
0
votes
0answers
27 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 ...
0
votes
0answers
35 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?
11
votes
1answer
7k views

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 ...
0
votes
0answers
28 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 ...
1
vote
1answer
82 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 ...
0
votes
1answer
62 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 ...
0
votes
0answers
51 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
votes
1answer
494 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 ...
1
vote
0answers
8 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 ...
0
votes
1answer
66 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 ...
1
vote
0answers
18 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/...
5
votes
0answers
163 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 ...
2
votes
1answer
441 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 ...
2
votes
0answers
40 views

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 ...
1
vote
0answers
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 ...
1
vote
0answers
27 views

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 ...
4
votes
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 ...
8
votes
1answer
847 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 ...
3
votes
1answer
63 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 ...
1
vote
0answers
12 views

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 ...
9
votes
4answers
421 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 ...
9
votes
0answers
437 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 ...
1
vote
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?
1
vote
1answer
89 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 ...

1
2 3 4 5
10