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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Left handed and dyslexia

I have been searching for help/answers in regards to the way I write. I am left handed. I write upside down right to left. I have always done it. Growing up my teachers thought I had dyslexia but ...
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How is interbrain synchrony physically possible?

In this article surveying studies about interbrain synchronization, the authors talk about subjective reports of 'self-other merging' (non-singular experiences of consciousness). The supposition is ...
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Why are thicker nerve fibers more easy to stimulate?

experiments have shown that thicker nerve fibers are more easy to stimulate and myelinated ones are more easy to stimulate than unmyelinated ones. increasing diameter means lower axial resistance from ...
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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 ...
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Noise in Neurons (channel noise)

If you stimulate neurons 10 times with the same electrical pulse, you will get a different response 10 times. For example, if you apply a pulse near the threshold, you may get 7 APs, which are ...
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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 ...
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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 ...
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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, ...
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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 ...
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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 ...
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Is there a direct correlation between visual intelligence and mathematical intelligence?

For example, are they processed in the same areas of the brain, etc.?
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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 ...
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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 ...
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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 ...
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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 ...
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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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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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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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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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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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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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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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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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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 ...
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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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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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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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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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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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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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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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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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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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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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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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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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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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63 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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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
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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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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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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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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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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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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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