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Questions tagged [neurology]

For questions related to the diagnosis and treatment of disorders involving the central, peripheral, and autonomic nervous systems. For abnormalities of the mind consider the tags abnormal-psychology and psychiatry.

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How do you denoise and extract features from EEG data with Python?

I have EEG data with 5 columns (1 per each electrode) and I need to denoise it and extract features from it using Python. I tried to find relevant packages but my search kept leading me to MNE which ...
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1answer
47 views

Can a person with delusions completely acknowledge their delusions

I wanted to ask a question for a story I'm writing; Can a person with delusions completely acknowledge that they have delusions? For example, if someone claims that for a long time he believed ...
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265 views

Are scintillating scotomas really caused by cortical spreading depression? If so, how is this known to be true?

I have just read about a visual effect called a scintillating scotoma. Many variations occur, but scintillating scotoma usually begins as a spot of flickering light near or in the center of the ...
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1answer
18 views

Nociceptor (possible threat signal)

I've read this on Wikipedia: A nociceptor is a sensory neuron that responds to damaging or potentially damaging stimuli by sending “possible threat” signals to the spinal cord and the brain. ...
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Modern neurology: endorses or denies Freud? [duplicate]

In her book "Three Pound Enigma: The human Brain and the Quest to Unlock Its Mysteries", Shannon Moffett talks about a study of Doctor John Gabrieli and his relation with the endorse of Freud's ...
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Can a CT scan have advserse cognitive effects on the brain? [closed]

If the normal Xrays scans, despite the low amount of radiation (equivalent to a few hours of background radiation, can be sufficient to cause a burning sensation, then I wonder if the much higher dose ...
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43 views

The brain physically changes with regular coffee consumption, but at what rate does it return to normal?

Question We know adenosine receptors A1 & A2 subtypes physically increase in the basal ganglia with prolonged caffeine exposure over the period of about 1-2 weeks, but at what rate do they return ...
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27 views

What are the thoughts? [duplicate]

At the neuroscience level, what are thoughts? I mean, are they just electrical synapse through the brain in a recognizable patterns? if so, How are those electrical pulses originated?
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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?...
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1answer
218 views

Which possible methods can be used to determine if a certain part of the brain is active?

The question goes back to this tweet: Julia‏ @JuliaHass I just learned that elephants think humans are cute the way humans think puppies are cute (the same part of the brain lights up when ...
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19 views

Human trials for stentrode neural recordings

Neural recording via a stentrode seems to be next big thing in neuroscience. It can be used to treat disabilities, brain disorders and enable brain to brain communications. Are human trials being done ...
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1answer
138 views

Why can't hemineglect patients be trained to actively pay attention to their neglected side?

I'm still having a hard time understanding the symptoms of hemineglect, mainly because perception and attention has been two peas of a pod for most of my experiences. A Scholarpedia article states ...
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Do we know what is happening inside the brain when a person is hit in the head?

For the purposes of this question, I will use the example of a legally sanctioned athletic contest (i.e., a boxing match), rather than criminal activity or accidents, but the question certainly ...
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1answer
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What is the effect of Binaural Beats on an Autistic brain?

I understand a fare bit about autism, and Binaural Beats. Autism is the result of synaptic pathways becoming malformed during the fetal stage of pregnancy. A Binaural Beat is a collection of two ...
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1answer
537 views

Do some people possess more or more active mirror neurons than others?

Some people love watching people get hurt, they may find it humorous. Some people don't really like it but can watch it. Some, however, find it unbearable to watch. Why is this? Are the latter of the ...
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1answer
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“top-down” and “bottom-up” processes

What kind of processes are "top-down" and "bottom-up" processes in the context of processing visual information in brain? Context: ...There are discrete areas in the visual cortex dedicated to ...
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1answer
5k views

Why would I be asked to count backwards by 3, from 100 in a psychological test?

On an initial mental health consultation with a psychiatric nurse practitioner, I was asked, among many other odd questions, to count backwards by three. 100, 97, 94... This was quite a number of ...
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26 views

image of eyes to brain [duplicate]

If the eyes image is upside down before brain processes it, then do that mean an alzeiheimers patient in end stage see images upside down at all time because of a deteriorating brain?
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1answer
303 views

How does Parkinson's disease result in tremors?

From what I understand, Parkinson's disease is caused by the death of dopamine producing cells in the substantia nigra, however I don't understand how that causses the symptoms of Parkinson's. I am ...
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3answers
329 views

Which area of the brain was first correctly associated with a specific function?

I have read on this website that Broca's area was the first area of the brain to be associated correctly with a specific function, in that case language. But I couldn't find any other source for the ...
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0answers
86 views

Dearth of research on treating Periodic Limb Movement Disorder (PLMD) with Baclofen

http://www.ncbi.nlm.nih.gov/pubmed/6721446 The above study from 1984 at Stanford found that oral administration of baclofen somewhat improved sleep in patients with PLM-associated arousals. The ...
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2answers
3k views

How are the logical and mathematical skills of people with ADHD?

How does rationality and the logical thought processes of those with and without ADHD compare? Please explain the source of the differences. Are the differences thought to be caused by dopamine, ...
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80 views

Neuropharmacology and Simulation [closed]

I've been wondering whether neural simulations have had applications in (cognitive)neuropharmacological research already. One always reads about the promise of the technology in helping us cure ...
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1answer
75 views

How actively does your brain physically prune connections?

Is pruning defined as neural apoptosis or are connections (neural synapses) simply separated? At what rate, if known, does this occur in individuals (ages 18+)?
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3answers
102 views

Can repetitive sports-related head injuries make a person senile many years later?

Would repetitive football injuries to the cranium show up decades later, causing symptoms resembling mild retardation, OCD, etc.? What is the best way to determine this in terms of imaging, testing, ...
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2answers
978 views

Difference between brain disease and brain disorder

Is there any difference between the terms brain disease and brain disorder? They are often used in combination without ...
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1answer
61 views

Are there any systems in the brain that are responsible for monitoring energy

For example, the amount of energy that is available for the brain to use, or the amount that the brain consumes with respect to time?
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1answer
107 views

How does excess of dopamine affect one's mental health?

If a person takes dopamine increasing medication for some illness, what effect will it have on his/her mental health considering that medication doesn't target just one area of the brain ? In ...
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1answer
94 views

Why would someone seek treatment for Apraxia of speech?

People with Apraxia of speech have two basic problems: monotone pronunciation and slow speech. (1) Might someone with Apraxia of speech who does not seek treatment have psychological problems? They ...
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1answer
73 views

Is there any treatment for cognitive difficulties of patients with Parkinson's disease?

I've read some articles and science papers about Parkinson's disease and found out that many patients often have cognitive difficulties, if not all of them. For memory difficulty, medications to treat ...
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0answers
85 views

What are the effects of antipsychotic medication on brain volume?

I have read numerous different papers each claiming that antipsychotic medication either helps maintain brain volume or causes brain volume reduction in patients with schizophrenia and other psychotic ...
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1answer
97 views

Neuroscience student [closed]

I'm thinking about studying neuroscience, but the only interests I have in the general area are: Where thought or consciousness come from and how it all works How memory works and why it can't be ...
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0answers
102 views

How to enhance brain functioning through neurological stimulation? [closed]

Many emotional and behavioral dysfunctions, such as bad decision-making (http://dx.doi.org/10.1093/brain/awg177), appear to be symptoms of impaired brain functioning. Conversely, stimulating brain ...
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2answers
4k views

What is the neurological basis for 'daredevil' behaviour?

What is the neurological basis for people being seemingly fearless and engaging in risk-taking and daredevil behaviour? I am talking about those that frequently perform or participate in activities ...
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Derived knowledge from periodicity of harmonic motion?

This question is the third in a series, after: 1. Improved Typing as a result of slight movement 2. Neural Processes of Inducing Flow Background: Pseudo-random, 'swaying', motion appears to ...
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1answer
104 views

Neural Processes of Inducing Flow

Related to my previous question: Improved Typing as a result of slight movement For context: slight movement (<1 inch in any direction) improves typing, piano-playing, and writing, among other ...
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1answer
112 views

Improved Typing as a result of slight movement

I've found that my typing performance (speed, accuracy, flow) are noticeably improved if I am swaying slightly, mostly side to side, in a non-regular manner. I would estimate that the overall ...
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2answers
2k views

What does hemispatial neglect vision look like?

I need to know more about hemispatial neglect, in order to compose a picture of what it would look like to someone who has this issue. Is there any resources for finding more about their actual ...
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1answer
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What's the frequency of the ringing in my ear?

I have ringing in my ears that has become constant over time. Most of the time I just ignore it, to tell you the truth I can't even remember when it started. Lately I'm curious what the frequency of ...
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1answer
84 views

Structural descriptions of neuronal networks are important for understanding brain dysfunctions; which dysfunctions, in particular?

In a recent paper, we find this quote: The brain contains vast numbers of interconnected neurons that constitute anatomical and functional networks. Structural descriptions of neuronal network ...
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1answer
780 views

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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2answers
12k views

Which neurotransmitters can be measured in a living human brain?

I'm interested in learning more about the modern techniques that are used for scientific studies of neurotransmitters in the living human brain. As far as I know, there are 4 neuromodulator systems ...
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1answer
445 views

How can prolonged stress lead to a sustained reduction in cognitive functioning?

Background: Ten years ago or so I went through a traumatic period which resulted in a lot of stress and anxiety. I initially assumed there was some depression but cognition and short term memory was ...
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1answer
497 views

How do the brains of savants such as Orlando Serrell and Temple Grandin compare to a standard brain?

There are the examples of Orlando Serrell and Temple Grandin, who remember quite a lot, due to autism. How do their brains compare to a standard brain? See also: Partitions and Volume:
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1answer
352 views

Face-Blindness: Have I seen you before?

Sometimes when I meet new people, I feel like I have seen them before. Their faces might look similar to people's faces, I have really have met before. The wiki article on Difficulties with Facial ...
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2answers
1k views

Does the fusiform face area in patients with Prosopagnosia (face blindness) show lower activity under an fMRI?

I watched last night's episode of 60 minutes (and part 2) about Prosopagnosia (Face Blindness) and found it absolutely fascinating. They mentioned in the segment (Around 5:22 into the second part of ...
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1answer
379 views

How do Hemispatial Neglect patients react when told of their disability?

Hemispatial Neglect patients are known to have Anosognosia meaning they don't recognize their disability. These patients neglect either their left or right field of vision entirely, as if they couldn'...