Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [neuroscience]

For questions on the structure and function of the nervous system.

0
votes
0answers
25 views

How does the brain learn and execute causal reasoning for short-term and long-term planning?

What does state-of-the-art neuroscience research say about the way the brain learns and performs causal reasoning when it has to come up with short-term and long-term plans in order to achieve a ...
3
votes
0answers
33 views

Inducing error-related negativity

Which tasks induce the strongest error-related negativity? I'm trying to build a classifier that measures EEG signals to detect when a subject observes an error being committed by another subject. It ...
1
vote
0answers
23 views

Somatosensory evoked potentials

I am wondering what the best EEG recording montage is to use for recording of electrically evoked somatosensory evoked potentials after median nerve stimulation?
5
votes
1answer
137 views

Variation in prefrontal cortex development

I have read everywhere that the prefrontal cortex is not fully developed until about the mid twenties, but everyone's brain develops differently. Is it possible for a teens prefrontal cortex to be ...
0
votes
1answer
17 views

Names of branches of neuroscience and related fields dealing with hunger, taste, attachment, and digestion, and their relationship to other perception

I would like to know what the branches of neuroscience, cognitive science, psychology, and psychiatry related to what happens when the tongue touches and other possible related mouth sensors, touch, ...
1
vote
0answers
22 views

Negative Rewards(punishment) processing in Human Brain?

Can someone please tell me how negative rewards or punishments are processed in the human brain? Do we have a separate segment to process positive and negative reward and are the positive and negative ...
1
vote
0answers
14 views

Can reuptake absorb a selective or non-selective agonist?

For example, a lot of antipsychotics are chemically similar to serotonin, and at least partially trigger certain types of serotonin receptors. Is there any evidence to suggest that, because of their ...
6
votes
1answer
46 views

Does NMDA-receptor activation depend on neighboring AMPA-receptor activity?

This question is coming out of a couple points of confusion after I learned about about NMDA receptors' role in LTP. I got the impression that after AMPA receptors were activated enough, which ...
7
votes
0answers
59 views

Probiotics and Mental Health

While trying to find research articles within the realm of Psychosynthesis, I have been looking at the "collective unconscious" Image Source: Wikipedia Commons - (CC BY-SA 3.0) Lower Unconscious ...
2
votes
2answers
123 views

Are thoughts transferred along with a brain during a brain transplantation?

If I'm transplanted with, e.g., Stephen Hawking's brain, would I start to think like him, or would I remain to think like me? On which, "thinking" ability depends , is it the physical structure of ...
4
votes
3answers
164 views

Why aren't any advancements being made in physically diagnosing Bipolar and other psychiatric disorders?

I was involved in a discussion where somebody had asked if others had thoughts of doing risky things during their manic episodes. Two people commented, including myself. I worried that only relying on ...
4
votes
1answer
100 views

How does the brain generate answers to questions?

Firstly, I would say that this question is probably beyond current knowledge. But I would like to hear the latest theories. Given an input "Can you name as many animals as you can until I say 'stop'?...
2
votes
1answer
80 views

Why do I perform better at rhythm games after a long period of not playing?

Every once in a while I decide to play Phase Shift (very similar to Guitar Hero). I might go weeks or months between plays, but when I return, I often break a high score within the first few songs I ...
2
votes
1answer
22 views

Stroke amelioration

Excessive sugar, like Pepsi, is considered harmful. However, I am wondering if it could be helpful if taken by a victim of stroke during or immediately after a stroke, or somewhat after a stroke? My ...
2
votes
0answers
64 views

Temporal and frequency analysis of brain network to study autism disorders

I know it has shown in the literature that autism disorder affects brain network connectivity based on rs-fMRI data (Plitt, Barnes, & Martin, 2015). They have local over-...
3
votes
0answers
23 views

Task-based fMRI dataset with very simple task (e.g. view stripes)

For my Bachelor thesis I need an fMRI dataset in order to look for causal relationships. I want to be able to confirm my work, so the causal relationships should already be known. Therefore, ideally ...
2
votes
0answers
38 views

Is the phenomenom of “subjective consciousness” or “qualia” formally captured by any state-of-the-art Theoretical Model in Neuroscience?

Is the phenomenon of "subjective consciousness" or "qualia" formally captured or defined by any state-of-the-art Theoretical Model in Neuroscience? If so, can you share a brief summary of such ...
7
votes
1answer
824 views

How is the g-factor of intelligence calculated?

I am currently reading Dr. Richard Haier's book The Neuroscience of Intelligence and I am a little confused about the g-factor. Note that I have no education in psychology outside of general ed ...
1
vote
1answer
51 views

Do major historic events have a lasting impact on humankind's objective happiness?

In his book "Sapiens - a Brief History of Humankind", Harari argues that the biochemistry of "happiness" in any person can only move within bounds, dictated by genetics. He also argues that happiness ...
5
votes
1answer
162 views

Is there any disease that prevents a person from being angry?

Is there any disease that prevents a person from being angry? As a reference, the resection of the amygdala reduces feelings of fear. web links ABC news on damage to the amygdala reducing fear ...
2
votes
1answer
50 views

Is the effect related to shutting your eyes when a car is turning well known?

Since I was little I realized that when you close your eyes when being in a car and the car turns in a street to the side, you perceive the car turning more in one direction than it actually does. ...
2
votes
0answers
31 views

Are cognitive functions strictly divided in the left and right hemispheres? [duplicate]

I often see this kind of picture, claiming the strict lateralization of brain functions. Is this valid? Then, what happens to left-handed individuals? Are their cognitive functions also switched ...
0
votes
1answer
43 views

neurolinguistics: origin of language

Taking the definition of language a symbolic way to represent an object, is there any explanation for its origin? Is it dependent of any part of the brain? Scientific info about this issue will be ...
4
votes
2answers
103 views

Can an axon connect to dendrites of multiple other neurons?

In a typical multi-polar neuron, an axon has multiple axon terminals that can connect to another neuron's dendrites. Are there cases where an axon connects to dendrites of multiple neurons?
1
vote
2answers
115 views

How much pleasure can brain endure?

As of 2018, is it possible to induce pleasure in humans by some intervention like sending electrical signals? I've read that it's been done on mice. If not, it's quite imaginable that it will become ...
3
votes
1answer
92 views

From a neuroscientific standpoint, what are the most effective ways to develop empathy, love and compassion for others?

From a neuroscientific standpoint, what are the most effective ways to develop empathy, love and compassion for others? For example, in the Buddhist lore there are some meditations targeted at ...
1
vote
0answers
34 views

Can someone who is born a psychopath acquire empathy through conditioning and neuroplasticity?

Are there any studies of conditioning and neuroplasticity being used to bring back empathy to psychopaths?
1
vote
1answer
41 views

Is it possible to develop dementia by eating bone marrow?

A psychiatrist once told me to avoid eating bone marrow because it could contain prions that could cause dementia. However, I haven't been able to find any studies that confirm this. Could this happen?...
1
vote
1answer
27 views

Are cycles possible in circuits of neurons? [duplicate]

If we consider neurons nodes and connections between them edges, are cycles (from graph theory) are possible in the brain? To put it another way, would the signal generated from ...
5
votes
2answers
87 views

What exactly does paranoid mean in terms of psychoactive drugs?

When I went to my local marijuana dispensory, since recreational use of it is legal, they told me that when I first use it, I might get paranoid. When I read this word in context, I imagined somebody ...
3
votes
0answers
302 views

Is Tinnitus a result of brain damage?

It is well known that loud noises can lead to hearing problems such as temporary hearing loss or tinnitus (ringing in the ears) and even permanent hearing loss. But this is the first time scientists ...
1
vote
1answer
135 views

Jung's Anima and Neurological Basis in Split-Brain Patients; Left-Persona and Right-Anima

So, having skimmed some studies on split-brain patients, it makes me wonder about the whole "left-brain/right-brain" dichotomy that made its rounds in public perception some time ago. I'm not sure ...
2
votes
1answer
49 views

In TD learning, is the weight function used as a linear filter?

In the Temporal difference learning algorithm (TD-learning), an agent seeks to predict the total value of future rewards that will be received during the current trial. The agent updates the ...
2
votes
2answers
612 views

Can you get addicted from using topical or local anaesthetics to ease pain?

I've been wondering if there was such a thing as developing some kind of physical or psychological dependence on things that relieve pain. While we often hear about opioid addiction, which is ...
3
votes
0answers
57 views

Are there any practical implications for the purported neuroprotective effects of lamotrigine?

Lamotrigine is an antiepileptic drug used to treat seizures. Off-label, it is used to treat a variety of neurological and psychiatric disorders. Judging from Google Scholar, lamotrigine continues to ...
3
votes
2answers
862 views

Due to Gestalt Psychology, is the face an illusion?

Gestalt Psychology maintains that we perceive a whole from parts, and that we fill in missing gaps. The "whole" we perceive is more than the sum of parts we perceive - it also involves what our minds ...
4
votes
1answer
59 views

What is an explaination for the light-headed and slow-motion feeling after a long hard mental exam?

Question After taking a long final exam, people often report feeling like the world is moving in slow motion. I've heard this exam effect jokingly called "zombie feeling" or "brain-fog". I describe ...
0
votes
0answers
32 views

Why are there few studies in the literature regarding human's pheromones?

Pheromones are thought to be the biological underpinning of the social behaviour. They have been extensively studied in animals. Pheromones are chemical factors that trigger a social response in ...
0
votes
1answer
97 views

Is it true that old people loose the ability think creatively/ formulate new ideas

My friend said something about that people get older than 50 loose the ability to think creatively and formulate new ideas. There is also a saying like “stuck in his ways” and people say the “older ...
4
votes
1answer
229 views

Can you give an example of automatic appraisal process?

I was reading this slide provided by my prof. of Affective Neuroscience. I've read that appraisal is considered a constitutive component of emotion by most of the actual theories. Appraisal is defined ...
4
votes
1answer
193 views

Do men, on average, have a higher general intelligence score?

I'm aware of this study that was linked during an argument: "Sex differences in brain size and general intelligence (g)" and this question Gender differences in IQ among undergraduate psychology ...
3
votes
1answer
65 views

Why does a higher post-synaptic cell resistance lead to a higher voltage change when current is applied?

In the "Principles of Neural Science" 5th edition in the discussion about electrical synapses it says: During excitatory synaptic transmission at an electrical synapse, voltage-gated ion channels ...
5
votes
1answer
118 views

Why are empty spaces around hippocampus and striatum not filled with astrocytes?

I understand that, generally, when a neuron dies, the vacated, empty space will form a scar in the form of an astrocyte. Basically, the astrocyte thus replaces that neuron. Why then are there empty ...
3
votes
1answer
83 views

What is the frequency range of electrotactile stimulation?

I have been trying to find out what the (human) electrotactile frequency range is. Since this is a much more experimental method (and more unpleasant) than the traditional vibrotactile method, the ...
3
votes
1answer
157 views

Why is Biological plausibility in Machine Learning important?

I have found that many authors of machine learning papers, that employ the Hebbian learning rule, refer to the biological plausibility of it, as one of the arguments to use it instead of the well ...
1
vote
0answers
42 views

Neural field application question

I am following a class where we have just learned about so-called neural fields (the prof called them recurrent neural networks and said they are used to model large populations of real neurons). Now ...
3
votes
0answers
25 views

Task-based vs task-positive networks

Do the terms "task-positive network" and "task-based network" refer to the same thing, such as the Fronto-Parietal Control Network (FPCN), as distinct from the task-negative networks such as the ...
8
votes
1answer
595 views

Is this brain map scientifically correct?

I'm not an expert in neuroscience but always read about information that seems conflicting to me. On one side I hear that the idea of single brain functions localized in specific brain areas is ...
6
votes
1answer
146 views

Do antipsychotics have a delayed onset of action similar to (monoamine) antidepressants?

I've been trying to understand the position of Steve Hyman (a former NIMH director), who has been amply quoted in an recent article in Quartz, saying among ohter things that There’s not “an iota of ...
4
votes
1answer
171 views

How exactly does transcranial direct current stimulation (tDCS) work?

The method of transcranial direct current stimulation (tDCS) involves the flow of electric charge from a positive electrode to a negative one. This method is not exactly a stimulation method because ...