Questions tagged [neuroscience]

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

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Why does the Elaboration Likelihood Model not account for truthfulness of the message?

This is a sample problem with the answer I am stuck on: Question: According to the elaboration likelihood model, which of the following does NOT predict whether a message will be persuasive? A. The ...
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Will mild concussion make me less smart? [closed]

Yesterday I did something very idiotic. I sat on the back my friends car while he was driving at 18 miles an hour. After that I fell off and hit my head on the concrete floor. I didn’t faint but I was ...
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Neurotically, what is the difference between learning/memorizing and understanding?

I'm trying to understand how our brains - neurons or other chemical processes work in regards to learning/ memorizing and understanding. I found a lot of "theoretical" discussions on the topic- e.g. ...
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What is the state of the art research of the consciousness level for high-level cognitive activity?

Everybody knows situations where activities requiring concentration and high level consciousness can over time become a "background" task. For example: you read a text aloud but think about other ...
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How are the neuronal connections affected if i am under the influence of a high sugar intake, caffeine intake or without while learning?

Let's say that I am on a sugar high or a caffeine high. At this time I am learning something new. Is the quality of the neuronal connections affected because of my sugar or caffeine intake? By ...
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Can we computationally simulate the “mind” (biological brain processes corresponding to thinking) in some constrained environment?

The question came up while reading GEB and the Wikipedia article on Church-Turing thesis, mainly the philosophical implications part where it's stated that the existence of the physical processes in ...
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How are neurotransmitter receptors discovered?

Many neurotransmitter receptors are known, for example 5-HT2a, Mu, NMDA, and so on. How have these receptors been discovered?
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What is actually happening with neuron during refractory period?

Sorry for a very rookie question. I've got an interest in spiking neural networks and therefore I started learning about different neuron models like Leaky integrate-and-fire, Izhikevich, etc. But ...
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1answer
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Extra-classical receptive fields are surprising, but retinal ganglion receptive fields are not. Why?

Rao and Ballard (1999) start their paper by stating that extra-classical receptive fields, which exhibit the phenomenon of end-stopping are difficult to explain. They show that in an idealized ...
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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'?...
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Satisfaction from music due to correct prediction of a sound

Ive randomly thought about a vague idea that perhaps the satisfaction I experience when listening to music is due to my brain correctly predicting a next sound in a sequence. Do you think that has ...
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Question about the left-brain interpreter characteristic

I got to know the concept that the left hemisphere of the brain has the ability to infer conclsions about the world, even if the information on which it relays is not necessarily valid, from ...
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Which part of the brain “lights up” most consistently when someone is watching cartoons?

I have a vague memory of learning that there's a consistent part of the brain that "lights up" when someone is looking at a cartoon rendering rather than a photo. Which region would this be?
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recommendations for good books focusing on the reward system, motivation and addiction

As the title states, I would like to get recommendations for some good reads about the brain's reward system, motivation and addiction. In particular I'm looking for a book that assumes no ...
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to electrophysiologists, where is your electrode?

how do you know where is your electrode in the brain? Whether you're in the soma, axon, its terminal, dendrites - wouldn't it change your signal (and how)? What happens if you are recording from a ...
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How can motivation be increased by improving brain chemistry with nutrition and activities?

I'm reading some material about motivation and brain chemistry. One of the interesting articles is "7 Ways to Increase Motivation by Improving your Brain Chemistry". I'm interested in a more ...
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Why are the sensations from different senses perceived joint? [duplicate]

Why are all the sensations from different senses all perceived joint and not everyone separately? Obviously, all the sensations are in the same physical classical system, if not, when we die, ...
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1answer
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Neurological explanation for differences in what motivates runners?

I have noticed differences between how my friends and I are motivated with regards to exercise, and would like to better understand what is influencing this difference psychologically. Personally, ...
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Long term effect of masturbation on Estrogen receptors

I was writing an article on masturbation and was doing some net based research. I saw on a paper (Phillips-Farfán et al. 2007) that frequent masturbation increases estrogen receptors in the brain. ...
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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 ...
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Long term effects of speaking & reading aloud while cutting yourself off from the auditory input

What are the long term effects of reading and talking out loud and while you can't hear the actual sound? Reading aloud increases your memory retention via the the production effect. But that ...
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Surgical implications of a fallacy in infering histology and morphology through a 1.5 Tesla MRI of a brainstem tumor

What would the surgical implications of a fallacy in infering histology and morphology of a brainstem tumour be? I am interested mainly in the sequelae in the sensory, motor and cognitive functions. ...
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Why can't we do the things we know instantaneously?

In the following video eventhough people know that when handlebar of the bicycle is turned left the wheel of that bicycle is turned towards right and vice versa, they can't ride that new bicycle ...
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Synchronization of perception of sensory information

I am not an expert (actually I am not even psychologist/neuroscientist or anything like it).My question is: Since light and sound comes to, respectively, our eyes and ears at different times and "...
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Do cats exhibit the bouba/kiki effect?

I was fascinated when I first read Ramachandran's article about kiki bouba effect, and I was wondering if cats experience the same thing... As Ramachandran proved, our angular gyrus is responsible for ...
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LSD and tryptamines harmless or neurotoxic? [closed]

It's commonly stated by numerous people that LSD and trytamines like DMT and psilocin are physically harmless and not neurotoxic. Is there evidence for this? I recently read 5-meo-Dipt which is a ...
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Energy supply to brain

I wonder if the energy delivered to brain per unit time to maintain brain processes is limited and fairly constant? Is all provided energy fully used?
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Minimum constant neuron firing rate

Please forgive what may be an elementary question for many of you. I am trying to understand the range of firing rates in an idealized neuron. I understand what governs the maximum firing rate of a ...
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Testing Multilayer Perceptron [closed]

The following script is from Trappenberg's Fundamentals of Computational Neuroscience and is used to test a perceptron's robustness against noise. However, how would one alter it to test the output ...
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How firing of neurons stimulate reality? [duplicate]

Iam just an enthusiast.When I look for how does our brain works it boils down to firing of neurons in a pattern. I read that all of our thoughts, memory is due to firing of networks of neurons in a ...
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Which area in the brain has the highest number of synapses?

Which area in the brain has the highest number of synapses or connections? I couldn't find any reliable link on the internet.
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Can eye tracking be used as a form of biofeedback?

I'm an occasional meditator and I've noticed that conceptual thought often produces eye movements, and I'm curious if anyone has tried using eye movements as a form of biofeedback. The Muse headset ...
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1answer
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Where to find information regarding the effect of ion concentration in the brain on behaviour?

Hopefully this is the right area. but for some background, for a school project I'm currently trying to design a medically accurate zombie. I have half a semesters knowledge of basic physiology, and ...
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Do weak spatial memory and good creative thinking are related?

Is there a correlation between weak spatial memory and good creative thinking? This seems to be contradictory, because if you look at the history, world famous chess player had good memory.Can ...
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What happens to a nueron on a cellular level when stimulated by an electrode?

Considering Elon Musk's new Nueralink, the original Utah Array, and what happens to an individual nueron with long term potentiation, what happens to a nueron on a cellular level (and consequently ...
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Is a New Software Library to Simulate Natural Processes like Hunger Needed?

This sort of dovetails off a question I asked on the AI Exchange: Is There A Need For Stochastic Inputs To Mimic Real-World Biology And Environment? I figured this site would give more insight on ...
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what causes an action potential to propagate exactly and why should it propagate?

Hello I am taking a neurophysiology course and learned about the action potential and that it propagates in one direction from axon hillock down along the axon. I understand that action potential is ...
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Has a psychology of addiction been developed as a theory?

I am interested in the Alcoholic's Anonymous approach to treating addiction to alcohol and I am wondering if the significant advances in both psychology and the biological study of physiology have ...
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What are the neurological differences between varying types of love?

It stands to reason that the biochemical cascade involved when a person experiences love, gives a feeling of well-being and drive. Studies in neuroscience have involved chemicals that are present ...
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Out of body experience tests. How to contact scientists? [closed]

I am 30 year-old man with cerebral palsy. Somehow that and one antispastic drug (baclofen) turned me into a vivid dreamer and out of body experiencer. I am not a believer, quite the opposite because ...
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What are the names of the white matter tracts in the cortico-ventral basal ganglia circuit?

I am looking at diffusion tensor imaging (DTI) data. The data are clustered by regions of interest (ROIs). The clusters have locations with names, which I have listed below. Which location names ...
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What determines whether a monoamine neurotransmitter is recycled or broken down by MAO?

When a neurotransmitter detaches from the receptor and is returned to the neuron via the transporter, what are the primary factors that influence whether that molecule is re-stored in a vesicle by ...
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Understanding the transition from integrated form to ODE form of neuron models

I'm trying to convert a fairly complicated neuron model from integrated form (a form of the spike response model) to ODE form for use in the BRIAN simulator. The BRIAN simulator requires neuron/...
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How does the body respond to having excess levels of neuronal, not synaptic, serotonin?

If a person consumes large amounts of 5-HTP or SAM-e resulting in elevated serotonin levels in their synaptic vesicles, how is this excess offloaded? What is the average rate of clearance? All the ...
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1answer
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Does thinking or focusing on something alter a neuron's speed?

I Googled about this but couldn't find any thing precise to be that does thinking about something hard alters the speed of neurons impulses? I have heard of neurons velocity being variable but want to ...
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Can one neuron denrdite be involved in different memories?

It's clear that neurons are involved in whatever memory. Suppose I see the image of a bird taking off over and over again. The image becomes imprinted in my memory. So when I think about this ...
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109 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 ...
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In extremely stressful or high-pressure situations, how can people remain calm and complete the task at hand proficiently?

Interested to see studies completed regarding the question asked. Considering the question, there are two situations in mind. Where the particular stressful event is of a very short timespan, ...
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Non-polar hydocarbons in phospholipid bilayer

I read that the phospholipids in many cell membranes (I am referencing neurons specifically) have a non-polar hydrocarbon tail and a polar phosphate head. Regarding the non-polarity of the hydrocarbon ...
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Why do people suicide? [duplicate]

No, I am not talking about user suicide. I am talking about actual suicide. Isn't the fear of death naturally so big that people couldn't, but how do they? What would be tormenting them so badly that ...

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