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Questions tagged [neuroscience]

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

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2answers
874 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
131 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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1answer
48 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 ...
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1answer
34 views

Why do solutions to problems feel simple (or obvious) once we are given them?

I was watching a video about one of the hardest maths problems even examined in the IMO (International Math Olympiad). And once I was walked through the solution, it seemed so obvious to me, as I'm ...
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1answer
18 views

How can we know which types of brainwaves is dominated at particular state?

I am a freshman at Neuroscience. As I learned there are 5 types of brainwaves: Gamma, Beta, Alpha, Theta and Delta, each types have a different frequency range. So my question is when onserving a ...
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1answer
19 views

Looking for text books comparing animal and human brain

Are there any papers or textbooks comparing animal nervous system and human's ? I'm most interested in "higher" animals such as mammals(Chimps, dogs etc.)
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1answer
94 views

Can logic be traced back to neurons?

In our everyday experience, and in both math and philosophy particularly, there exist some binary order in the sense that some statements can be classified as true or false. Does this have a ...
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1answer
147 views

What is the neurophysiology of a thought?

PURPOSE 1) To find out if there is evidence in favor of one of Hebb's claim. In is book "The Organization of Behavior" he claimed that cell assemblies are the physiological foundation of thought. ...
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1answer
26 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, ...
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1answer
182 views

How do neuro transmitters interact with neurons in the brain?

I think emotions and hormones frames the overall thinking processes of the brain. However, I'm interested in how this works on a neuronal level. For example, dopamine is some kind of reward signal for ...
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1answer
78 views

Is there any way to calculate the cumulative width of synaptic clefts?

It's my understanding there are 150 trillion synapses in the human brain (give or take). Is there a way to calculate the cumulative width of all synaptic clefts associated with the synapses? I would ...
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1answer
335 views

How exactly does alcohol consumption damage dendrites?

How exactly does alcohol consumption damage dendrites? I'm not talking about over a long period of usage, but just one instance.
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0answers
9 views

Is subconsciousness proven and can it be visualized?

We read terms like The subconsciousness is 90% of our brain. The subconsciousness is 95% of our brain. The subconsciousness can be influenced by hypnosis. Yet I have yet to see a study in ...
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0answers
10 views

Advisor Sent Paper to Colleague and She SURPRISE! Published like the Exact Thing--What Should I DO? [on hold]

PLEASE HELP I'll skip the long backstory. Basically, I have reason to believe 500 plus references worth of work was scooped by my advisor's colleague because he emailed the document to her. And then ...
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0answers
16 views

How many synapses are there in a typical efferent somatic nervous pathway?

In Wikipedia page, it explains: The basic route of nerve signals within the efferent somatic nervous system involves a sequence that begins in the upper cell bodies of motor neurons (upper motor ...
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0answers
14 views

Does every neuron has a specific neurotransmitters for receiving and sending?

I'm new to this field so if I have basic mistakes please correct me. Iv'e read that each neuron can manufacture just 1-2 neurotransmitters, and from what I understand only these are released from his ...
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2answers
42 views

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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0answers
12 views

Why do people have eureka moments of revelation while taking a shower? [duplicate]

What kind of mechanisms are at work to cause creative thinking or revelations during auto-pilot tasks like taking a shower or teeth brushing? This describes it: Incubation period - we are working on ...
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0answers
17 views

When did dyslexia emerge as a neurological difference?

I am wondering if dyslexics have one common ancestor? And when did dyslexia emerge as a neurological difference?
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0answers
19 views

Trust after the first 200 milliseconds

In the first 200 ms of meeting someone our implicit / System 1 brain makes a number of inferences (based on age, gender, race, voice, smell among others) to determine whether we ‘like’ the other ...
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0answers
27 views

How neurons and mind can be related? [duplicate]

As we know neurons are matter . But mind is not matter .You can see a brain but can't see a mind . Why from outside brain is full neurons , but when it's inside you , it starts to create mind, visions,...
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0answers
10 views

What are the average dimensions of human Purkinje cells in the cerebellum?

I'm looking for the dimensions, specifically the dendritic tree of the human Purkinje cells. All classical papers such as Eccles, Andersen, Palay Chan-Palay mention dimensions of cat, mouse, rat or ...
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0answers
14 views

Supposed 'brain training' [duplicate]

The term brain training is nothing new, however how effective is the 'N-back' method, does this work scientifically speaking? There are mixed reviews on this: one claiming it works https://www....
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0answers
7 views

How to analyze EDA data collected from mindware?

How to pair event and skin conductance response of data from mindware? Does it need to downsampling? Thanks.
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0answers
28 views

Which are the arguments for asserting mental life/consciouness happen only in the cerebral cortex?

I've read many articles / researchs and they are hard to follow. Several times concepts are hard to understand, it would seem certain concepts such as "cognition" are fuzzy terms and they become part ...
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0answers
8 views

Is there any research on whether primates with sign language use same fronto-temporal language networks observed in humans?

I have been reading up on research carried out at Ev Fedorenko's MIT Language Lab on localising the high-level language processing regions in humans using fMRI and was wondering if any comparative ...
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0answers
35 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 ...
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1answer
47 views

Is the hippocampus responsible for storing or creating memories?

I've heard that severe damage to the hippocampus results in the inability to form new memories but still remember old ones. Am I mistaking something? Is the hippocampus responsible for storing ...
-1
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1answer
102 views

Why can't human thoughts be stored in metals?

As metals are good conductors of electricity and they can be charged by the electrical activity of thoughts, why can't human thoughts be stored in metals? Why thoughts cannot be stored in the form of ...
-1
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2answers
106 views

What causes dopamine in our body [closed]

I was curious as to know what are the natural causes for the secretion of dopamine in our body. Are there any specific foods that increases the dopamine level? It is said that dopamine are usually ...
-1
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1answer
51 views

Best way to modeling ADHD? [closed]

...with computer models? ( hacking the executive functions of something like this, for making the algorithm more "impulsive", or "inattentive".) ...with animal models? ( using "SHR rat-like", ...
-1
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1answer
75 views

Prerequisite Request: Neurorobotics [closed]

For the newly emerging field, Neurorobotics. Can one list several highly recommended prerequisite courses prior to entering this field ? Except for classical machine learning, computational ...
-1
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1answer
70 views

Practical Use For a Neuroimager [closed]

You may be aware that neuro-imagers have become much cheaper and many are available with a SDK. I think this will open up a huge gateway for much more intimate human interfaces. However, I am stumped ...
-1
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2answers
46 views

Are personality characteristics correlated with certain underlying features of the facial expressions of a person?

For instance is it possible to determine with some degree of accuracy if a person is ranks high in openness to new ideas by some photos of the person?
-1
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1answer
83 views

What is the exact chemical reaction that gives consciousness? [closed]

Something very bizarre is consciousness, it is our ability to virtually feel things such as emotions and ability to control our thoughts and physical movement. We can also imagine a non-conscious ...
-1
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1answer
57 views

Anomalous activation of temporal lobes

The result of wakeful EEG shows persistent activation of temporal lobes - high level of delta and theta waves in the left temporal lobe (3 on the scale from -3 to 3) and slightly lower in the right ...
-1
votes
1answer
44 views

How does Emotional Freedom Technique (EFT) work?

There is mounting evidence that EFT, a form of therapy which combines cognitive, exposure therapy along with acupuncture point stimulation is effective - EFT for PTSD question What are the biological ...
-2
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1answer
28 views

Does anybody know a source having multi-electrode (several channels) recorded data of multiple Neurons (I prefer real data not artificial)?

I mean recorded data of multiple Neurons with multi-electrode. I need this data as the input for my experiment.