Questions tagged [neuroscience]

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

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1answer
45 views

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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61 views

What information does the connectome actually contain?

I am not a brain scientist but the following question seems reasonable to me. Prof. Sebastian Seung has given a TED talk named "I Am My Connectome". If I understand correctly, connectome is ...
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57 views

Are there any psychological studies of thirst following food that account for SFO-Nos1 activity?

Some studies up to 2015 surprising found that salty vs. non-salty food doesn't make much difference to thirst. E.g. a 2015 study found that: However, according to Prof. Leshem, despite our gut ...
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29 views

Is there any empirical support to “chemical imbalance theory” for mental illness?

Has it been proved by measurement of chemicals in the brain that psychiatric disorders have either their origin or continuance due to chemical imbalance in the brain? I saw the documentary Diagnostic &...
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1answer
33 views

Voltage Clamp Method

I don't understand some points of the voltage clamp method. In the resting state, Command voltage and membrane potential are both -65mv. If the command voltage increases to 0mv, current is injected ...
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15 views

Have there been any right-hemisphere-dominant split-brain-patients? [closed]

Do any case studies of right-hemisphere dominant individuals who have undergone a severance of the corpus callosum exist? Thanks.
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17 views

Using neuroscience to study a new organism [closed]

Consider a situation where you discover a new species and of organism. Using research methods of neuroscience or otherwise, how would you go about analyzing the nervous system and the brain of this ...
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33 views

Averaging a linear or nonlinear function treatment

In a hypothetical PET study, my sample consists of a clinical population which exhibit brain hypermetabolism. I divide my sample into two homogenous groups. One receives a treatment whereas the other ...
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32 views

How serious is my case and should I get help? [closed]

So I have been experimenting a bit with pshycadelics nothing too much , I did lsd twice in a period of 3 months , inbetween i have done mdma once. Two weeks after my last use of lsd I started noticing ...
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26 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?
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26 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 ...
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15 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 ...
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50 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?
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44 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 ...
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42 views

Neurogensis in CNS invloves apoptosis of scar cells?

Say there's neurogensis in a brain area that seems to "allow" it, like the Hipocampus, Striatum, and so forth. Does this neurogensis might be preceded in the apoptosis of scar cells, and then, in the ...
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218 views

Do central pattern generators control musical performance?

Are the sometimes very fast and complicated rhythmic movements and often long lasting patterns a musician performs while playing a piece of music generated by central pattern generators (in the sense ...
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82 views

I am omitting some words when typing unintentionally [duplicate]

When I type mostly I omit word / words. e.g. I wanted to if it is correct -> I wanted to know if it is correct. It should background task -> It should be done in background task. etc. Because of ...
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33 views

Can sport be used as a counselling tool to help one deal with negative life events?

I found studies on how leisure activities can positively affect well-being, e.g. stress reduction. My question is more specific as I want to research how participation in sport can help one deal with ...
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46 views

How to cope with the problem of noise in fMRI?

The sounds and noises that a typical MRI scanner produces are problematic for several reasons: they give - annoying as they are - a strong feel of uncomfortableness to any subject or patient they are ...
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42 views

Does the wrist have more neurons than the finger? [closed]

Once upon a time, I felt an ant crawling on my hand. I couldn't feel it initially, until it reached my wrist. Then I tried to let the ant crawl on my skin; what I found was that I couldn't feel the ...
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68 views

What's the relation between PES and LSA?

In "Learning by stimulation avoidance: A principle to control spiking neural networks dynamics" by Sinpayen et al. a learning rule called Learning by Stimulation Avoidance (LSA) is presented. ...
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34 views

How to connect two networks in NEURON software? [closed]

So my goal is to connect STN and SNc neurons by giving synaptic weights and then see the response. I have already modelled STN and SNc separately and observed their response. I need help with the ...
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32 views

Are there any approaches to measuring “physical”/“neurophysiological” aspects of one's intellectual tone/state of fluid intelligence?

Is it possible to measure/approximate/estimate intelligence with a physiological metric? What I mean is, if I put it correctly: to measure/estimate short-term memory capacity/long-term memory ...
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28 views

Brain cell temperature [closed]

Given: a brain cell has an average temperature, T. If: perpetual brain activity pattern, X ; has an average conductive resistance, R; Therefore: Could it be rationally assumed that activity ...
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86 views

Mechanism of ketamine in treatment of depression and anxiety?

What are the mechanisms by which ketamine reduces the symptoms of depression and anxiety?
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22 views

How does aggression transferring work neurologically?

Psychologist often prefict phenomena before they are scientifically observed. For example they have known for a long time that if you don't think about something for some time, you forget it. This can ...
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52 views

Which hormones are known to cause which psychological effects? [closed]

This might be a very broad question, but I'm looking for gathering a list of any hormone that can cause psychological effects - especially long-term. I would like to build a list of psychological ...
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18 views

Where is neurogenesis absent/uncommon in the human brain? [duplicate]

I know that neurogenesis is an integral part of hippocampus, however are there parts of the brain where neurogenesis never or rarely happens? I'm assuming that any part of the brain stem does not have ...
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126 views

What is the general frequency (or range of frequencies) of “sparks” in the human brain per minute and at what locations? [closed]

How many electrical sparks occur in the brain, on average, per minute and at what structures do they occur? For the "how many" figure, I would be happy to have ranges here from relaxed to excited ...
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48 views

How to write a neuroscience research abstract? [closed]

I might have to start working on a research abstract for college soon, and I am looking for basic tips on beginning one. I don't mean information about the research specifically; I simply mean ...
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98 views

What is the importance of Dissociation (Both Double/Single) in a Distributed Hierarchical Organisational model of brain function?

How does Dissociation fir with a Hierarchical Organisational model Like Luria's or Distributed model of Fellman & Van Essen? Also, how may patients do you think should be the minimal amount in ...
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162 views

Lifelong avoidance coping style [closed]

Suppose someone has been using avoidance coping style for most of his or her life. The avoidance tendency is present in a broad range of situations, relatively constant through his or her life, not ...
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155 views

Psychological problem with glasses and hats on head? [closed]

I knew a kid who, when they was little, they would have attacks when a relative removed their glasses. She would sometimes do it on purpose in front of them and they would have emotional outbursts ...
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177 views

Is Brain Sync music effective in increasing cognitive functioning? [duplicate]

From the website: BRAIN SYNC meditation CDs and guided imagery techniques are proven to significantly improve mental performance. In two decades, nearly 3 million Brain Sync users have ...
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35 views

Do our brains have difficulties detecting no? [closed]

In most business seminars, or in movie the secret, for example, it is said that if we want to be rich we need to believe we want to be rich. We got to want peace, not anti war. We got to be pro ...
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93 views

Are our brains just energy conserving systems? [closed]

Is the brain a purely energy conserving system that creates behaviours for conserving the energy distributed to the brain, based on the input of sensory information that our bodies take in?
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107 views

What are the neurobiological mechanisms behind clumsiness [closed]

Some people are inherently clumsy (including your's truly). Everything from frequently stubbing their toes to, as in my case 2 days ago, falling down a single step and managing to crack a rib and ...
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0answers
557 views

What is a good beginner level book on neuroanatomy? [closed]

I'm looking for a beginner level book on neuroanatomy. I haven't any background in neuroanatomy, other than what I learnt back at school. I'd like to take up a post grad neuroscience course to help ...
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2answers
957 views

Where do our memories get stored and how are they retrieved again?

There is a common knowledge that several brain areas are involved in memory processes and each area is involved in a different aspect of memory. But where do our memories get stored and how are they ...
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2answers
142 views

What background is required to understand the book “Principles of Neural Science”?

What is the necessary background to read this book and comprehend it? I've taken Calc I-II, Chem 1A and Bio 1A. Is this enough?
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1answer
64 views

Are neurons the wrong shape to model neural networks?

Looking at neural networks, each node can be described as a neuron with either several long input wires, or several long output wires. A neuron, however, has many short input wires (dendrites) and a ...
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1answer
74 views

Regarding the mind and what it can affect

About the question 'Can the mind mind affect the brain?': Some responses are 'no' because the mind is a physical 'thing' or structure (if I read it correctly). Yet if the Mind is only a physical ...
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1answer
281 views

How many calories do we burn when we try to understand mathematical proofs?

While thinking we burn calories. For comparison: "And if it’s the right wood and the right chess grand masters in the middle of a tournament, they are going through 6,000 to 7,000 calories a day ...
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1answer
45 views

does the fact that Psychology Today take neurolinguistic programming seriously delegitimize the magazine?

According to Wikipedia, Neurolinguistic Programming is a pseudoscience and dismissed by most experts. However, Psychology Today, a popular magazine, appears to not thoroughly reject it. Does this fact ...
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1answer
120 views

Can the brain be enhanced by adding more neurons?

I was wondering of ways to enhance the brain. Couldn't we add a sort of substance to improve the brain? Will it somehow adapt? The brain should 'wire up' the new substance to the existing one. As ...
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2answers
376 views

If orgasm triggers bonding and feelings of love, why don't people continue to stay in love?

I am a bit confused by the effects of orgasm in bonding; everything I seem to read seems to be a bit careless with the truth and does not mention why people fall out of love or why people who are in ...
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2answers
895 views

How to make diagnosis of these symptoms using Pet scan, fMRI, and EEG? [closed]

The symptoms are muscle weakness, slow reaction time, visual perception issues, seizures, hearing loss, weight gain, general sense of pain and delusions. Using the above scanning techniques, a doctor ...
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1answer
30 views

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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1answer
134 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 ...
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49 views

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?