Questions tagged [neuroscience]

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

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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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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 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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What characterizes Grossberg's resonances?

Following Bryan Krause's advice I tried to be more specific and picked as one specific neural theory of consciousness Stephen Grossberg's Adaptive Resonance Theory in which a specific group of ...
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22 views

Retinotopic mapping to higher visual cortex

I know visual stimuli from retina presented in Cartesian coordinate is mapped to V1 as a form of polar coordinates. Wikipedia, Scholarpedia But I wonder whether this spatial representation in polar ...
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63 views

How does our brain sense the passage of time?

How does our brain sense the passage of time? What is the mechanism? I am not asking here about memory. I have searched about it on the internet. https://www.scientificamerican.com/article/your-brain-...
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What happens neurologically and chemically when an individual is confused?

For example, trying to understand a mathematical problem and its solution, or abstract reasoning, but in the process get lost even have no clear idea of what part is 'not understood'
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Neuralink in depression treatment

In this article there is a statement that Neuralink can help people with Parkinson’s disease, epilepsy, and depression by promptly sending electric pulses into the areas responsible for their ...
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123 views

Neurodevelopmental Disorders, Cognitive Function and Causing someone to Learn

Children may elicit, either through active engagement or some feature of their personality or appearance, a response from their environment that might protect them from deprivation-related risk either ...
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Bipolar Disorder Patient data

Can someone provide me with an electrocardiogram signal of a bipolar patient? I'd like to have a trace obtained in an intermittent period, i.e., when the patient is not experiencing a depressed or ...
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139 views

Is there a neurological reason why women do not occupy top positions in the chess ranking?

I want to turn arround this question posted on chess exchange where sociological arguments are given to explain why only two of the world's top 100 chess players are women. Are there neurological ...
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138 views

What's the pathfinding algorithm the human brain uses?

I was trying to build a software simulation of people using different pathways in a city to get from point A to point B. I do know the Dijkstra's algorithm and the A* algorithm, but what they do is to ...
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Has there been any neuroscientific study of polydactyly?

I have been reading about polydactyly and found that surgery is only necessary in certain cases. It depends on way the extra digit on the hand or foot is attached. For example, central polydactyly (...
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Which neurodevelopmental disorders constitute learning disabilities?

I am actually looking at DSM-5 but I cannot find any exhaustive or otherwise comprehensive list or explicit association of which neurodevelopmental disorders are also learning disabilities.
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free will studies in long term decisoin making [duplicate]

this wikidepia article has a list of experiments and discussion around free will in neuroscience. One thing it notes is that there aren't studies focused on long term decision making in relation to ...
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when is default mode active

AFAIK default mode is important for our well being since as I am concerned one of its functions is to make sense of things we learned, experienced, etc. Here is says default mode is active when ...
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65 views

Lovheim cube research

Is there any psychology research into the validity of the Lovheim cube of emotion? Aside from the original paper (Lovheim, 2012) and papers from computer sciences (the cube is being used for ...
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Since we know the 5ht2a receptor impacts learning efficiency why has stimulating it not been tried for alleviating learning disabilities?

If you go on wikipedia or do a search on Google you can quickly find a bunch of articles on the importance of serotonin for impacting the efficacy of learning. Experiments have been run in mice for ...
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1answer
51 views

Reading material for graduate neuroscience program

I have just finished reading 'Neuroscience: Exploring the Brain' 3rd Edition, Bear et al. I am also planning on pursuing a neuroscience degree beginning fall 2019 and was wondering what other reading ...
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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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105 views

Why does “name it to tame it” work from an evolutionary psychology perspective?

There seems to exist a phenomenon where being aware of one's feelings gives us power over them. I have seen this in everyday life, but the strongest piece of evidence I've seen is from a talk by UCLA ...
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42 views

fMRI datasets for emotion states

Would there be any open fMRI datasets available that specifically analyse a subjects emotional state? The objective is to apply deep learning methods to categorise subjects emotional state based on ...
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206 views

Can tapering reduce the risk of sedative kindling and brain damage?

So we know that repeated withdrawal from GABAeric substances like alcohol and benzodiazepines will cause kindling and worsen future withdrawal symptoms. Also, it appears that withdrawal from alcohol ...
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31 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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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-...
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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 ...
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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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Is there a disorder that causes one to feel heat from an inanimate object? [closed]

We just met a woman that feels heat (literally, hot enough for her to say she was burned) from inanimate objects. She says it is mainly the floors and chairs in her home, and she is unable to walk in ...
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Source of sensory data related to cognitive effort

How does the brain assess cognitive effort? Is there a chemical that is being created or consumed at a rate that is proportionate to the amount of effort felt? I'm mostly interested in short term ...
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87 views

Neurobiology of addiction recovery [closed]

While addiction is one of the most studied topics in neurobiology, I don't see very much info on recovery. The information I have found is confusing. This one says striatal DAT bindings return to ...
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42 views

How can we analyse user behavior to predict urge of smoking?

The problem which I want to target is to be able to successfully predict (to a degree) that a person is going to smoke in near future. I want to look at the relationship between chemical reactions ...
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78 views

How can we use EEG data to predict urge of smoking?

I am from Computer Sciences background. The problem which I want to target is to be able to successfully predict (to a degree) that a person is going to smoke in near future. I have a brainwave ...
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51 views

Perforated patches: Can antibiotics used to induce holes in membrane produce perforations of differential size? [closed]

Perforated patches are a special type of patch clamping. I understand that it is sometimes preferred to whole-cell recordings because it prevents complete diffusion of the electrode solution into the ...
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85 views

How do ligands bind to and release from receptors? [closed]

I'm wondering exactly how ligands bind to and release from receptors. Until recently I presumed ligands were attracted to receptors through electrostatic forces with no chemical interaction involved, ...
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68 views

Why low audio frequencies seem to detune after an intense workout? [closed]

After a specially intense workout (biking, running...), listening to music with headphones, I hear the music pitch has dropped slightly. What I find odd is that not all parts of the sound are detuned, ...
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74 views

Brain structures related to risk-taking behavior

I did a preliminary research on brain structures in which activity might underlie risk-taking behavior. I came to two research that described right prefrontal cortex (Knoch et al., 2006), or ...
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222 views

Is happiness a result of cognitive or a side effect of neurobiological processes? [closed]

This morning I've heard this talk on Ted.com: Matt Killingsworth: Want to be happier? Stay in the moment The presenter is discussing an iPhone app used to track happiness, and seems to draw a ...
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411 views

Are end-stage Alzheimer's patients still conscious? [closed]

I asked the same question at Reddit here, but none of the responses were convincing. So here's the thing: to the extent of what we know about consciousness, are end-stage Alzheimer's patients still ...
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1answer
128 views

Quit smoking supported by mental training

Given that mental training/workout releases acetylcholine (something I read in a popular-scientific book and on Wiki, see also below) , and that acetylcholine and nicotine bind to the same receptors. ...
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1answer
157 views

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

In one of Karl Lashley's 1950 papers, it is pointed out that information is not stored locally in certain area of the brain. Instead, it's stored distributively over the structure of the brain. I'm ...
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4answers
420 views

Why is depression a diagnosable issue?

To me, it seems strange that something such as depression, which anyone can feel at any given time, is diagnosed and treated medically as if it is a mental disorder. I believe depression should be ...
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2answers
221 views

Brain and General Sections

Whereabouts in the brain gets triggered/switched on when an addictive substance is ingested/taken. I'm doing an addiction study with a couple of colleagues and would like some help with it.
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1answer
1k views

Do people feel emotions less strongly as they grow older? [closed]

I'm specifically interested in whether or not their maximum ability to feel an emotion decreases as they grow older (so by that I'm meaning - let's ignore the effects of tolerance induced by life ...
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1answer
54 views

If a specific neuron is present in my brain, will it be present in another person's brain?

For example if I have a neuron cell that fires when I say the letter 'A' and is located at a specific place in my brain, will another person have that cell at the exact same place and will it fire ...
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2answers
80 views

Why does the graph have a logarithmic shape? That is, why does the increase rate in %/hr decrease over time?

The graph attached has a logarithmic line, but I can't figure out why. Does anyone have any potential justifications with respect to neuroscience? Thanks!
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1answer
349 views

What happens in my retina if I press on my eyeballs?

If I press my eyes I can "see" all kind of things: sparkling blue dots (which sometimes seem random and sometimes there seems to be a pattern in them), growing or diminishing rings of all kinds of ...
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2answers
186 views

Why is Potassium(K) important to neurology & the brain?

When researching the pharmacological mechanisms of action and interactions that various psychotropic drugs, poisons, neurotoxins, etc. have on the brain: I frequently see off-hand references to the ...
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2answers
176 views

Good neuroscience research blogs

In the field of AI research there are really good research blogs that regularly analyse methods and review papers. Examples that come to mind are: BAIR blog: The Berkeley AI Research blog Distill: an ...
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1answer
361 views

Is our sense of smell heightened when we are asleep?

My question is whether our sense of smell is stronger when we sleep? From an evolutionary perspective this could have been beneficial in terms of runaway camp fires, marauding saber tooth tigers or ...
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2answers
95 views

Is the amount of learning modulated by reward transmitters?

The human brain is a signal processing system. Input streams contain sensory, motor, reward and possibly more signals mixed. I wonder if neuro transmitters associated with reward increase or decrease ...

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