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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When should I use Induced and not Evoked activilty?

In which cases should I use the induced and not the evoked EEG activity in a time-frequency analysis? I'm not sure what are the theoretical benefits of using the induced activity, specifically in the ...
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Compression of logical steps; multiple logical steps squeezed into one logical jump

I have read somewhere that as intelligence increases, more and more logical steps are chunked together, so as to allow for greater logical jumps. When doing mathematics, the different levels of "...
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Proxemics - In search of a paper

Hello I am looking for a paper related to Proxemics study That show that we pay more attention of sudden movements that are closer, than the sudden movements that are far away I've already searched ...
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Has neuroscience yet proved that antisocial humans think in terms of anything resembling moral circuitry when targeting their victims? [closed]

Popular philosopher Frederich Wilhelm Nietzsche hypothesized and theorized that there are two core languages of moralities, rather than 'morality'. These languages are the master morality, and the ...
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Doubt about zero-crossings detection in the visual system

I'm currently reading the excellent book "Vision" by David Marr. In chapter 2.2 (ZERO-CROSSINGS AND THE RAW PRIMAL SKETCH), he explains a possible model for the physiological detection of ...
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Why do we feel inclined to doodle on paper when talking over the phone but not when talking in person?

Introduction: Revisiting an earlier theme about "mind complementary activities", as I would call them, it dawned on me that the classical example of how doodling on paper complements talking ...
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E-Prime Adaptive Stop Signal

I was wondering if someone had an E-Prime program for the adaptive stop signal task (i.e., the ability to adaptively change the stop signal delay depending on participant responses). Unfortunately the ...
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Doubt about diffused mode

Is the diffuse mode (the default mode network) basically mind wandering mode(daydreaming mode) recruits neurons within the prefrontal cortex in addition to the cingulate, joining them to the ...
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Changes to the brain regions due to PTSD

I mentiond in my other question today (Changes to the amygdala due to PTSD) that the one thing I have often heard regarding changes in the brain due to trauma and PTSD is that the amygdala is enlarged ...
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Changes to the amygdala due to PTSD

The one thing I have often heard regarding changes in the brain due to trauma and PTSD is that the amygdala is enlarged (e.g. Kuo et al, 2012). This is understandable considering the amygdala is ...
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Possibility of a global consciousness

I am not sure if this site is the right place to ask this question but I believe this is the closest that stack exchange has to offer, so I am posting it here. The human brain is a complex organ ...
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How to evaluate the convergence of a staircase?

I have a 2AFC staircase, with transformed up and down method (2up 1 down) or (2down 1 up), with equal step size (at the beginning there are higher step sizes, at the end there are the lower value). ...
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in this attentional blink experiment why is the second letter visible when the lag is low but not when the lag is high

this image is from the book Consciousness and the Brain by Stanislas Dehaene the book describes the image as follows : The attentional blink illustrates the temporal limitations of conscious ...
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How do we know that neurons are the only cells involved in cognitive computation?

I am an undergraduate studying pure mathematics taking a class on computational neuroscience. My default lens for looking at the brain is in terms of universal computation (in the Turing machine sense)...
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How do anxiety disorders affect our brains on a neuro level?

I was specifically wondering about a) The effect on plasticity. Given that stress has been implicated to reduce plasticity, I assumed anxiety disorders would have a similar effect but the only paper I ...
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Does all motivation and desire originate in the limbic system?

My current understanding is that subcortical structures in the limbic system determine what we desire, and that the prefrontal cortex is essentially an uncaring tool utilized by the limbic system to ...
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Electric communication between single neurons

It is believed that neurons communicate through neurotransmitters, released from multiple synapses and flow to the axon of the next neuron. But has it been shown if a single neuron communicate with a ...
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How do humans remember information?

When conversing, I often find myself using words or conveying ideas that I wasn't aware that I knew, nor whether these words/ideas were actually relevant to the conversation. It is only after googling ...
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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 ...
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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 ...
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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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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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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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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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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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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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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 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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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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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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