For questions on the structure and function of the nervous system.
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0answers
26 views
If out there is located inside our brains how does nature engineer this deception?
If outside there is located inside our brains and our brains are the ones that see and feel everything, why is it when someone talks to me it seems he is looking towards me, too?
How does nature ...
0
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0answers
22 views
Converting human's memory into digital data
I am wondering whether converting someone's memory into digital data is possible or not. It may sound ridiculous. However, if chance is not 0 then what kind of studies might be used? What kind of ...
1
vote
1answer
29 views
Could we develop a notion of conceivability that would allow us to imagine impossible/inconsistent/illogical things?
There are things that we cannot imagine because they are impossible (like a solution to Russell's set theory, since it is impossible to reach that solution because it is illogical.)
Some months ago, ...
4
votes
1answer
51 views
How is the brain cooled?
I remember[ed] reading a story on a brain-inspired integrated mechanism for energy-delivery and cooling in (experimental) new computer chips:
The human brain packs phenomenal computing power into a ...
2
votes
1answer
48 views
Performance of a damaged brain
I have heard stories/reports that if a certain part of the brain (taking care of certain functions) is damaged other parts take over the function of the damaged part.
Intuitively this could mean 2 ...
4
votes
0answers
55 views
Why is a cross-dominant/ambidextrous brain more susceptible to mental illness?
The left and right hemispheres of the brain are connected by a bundle of fibers called the corpus collosum. Ambidextrous, left handers and cross-dominant people have symmetrical brains as opposed to ...
3
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0answers
28 views
What might be the daily experience of someone who does not have an orientation association area?
The orientation association area gives us a sense of our body in time and space.
What would it be like without this part of the brain assuming everything else works normally?
Can the brain separate ...
3
votes
0answers
14 views
Are facial muscles activated in verbal thought? [duplicate]
In this video, Dr Russel Barkley states the following:
I can put electrodes all over your face and I can ask you to cite your
Canadian pledge of allegiance in your mind. You still move your face.
...
1
vote
1answer
17 views
Human vision detection of faint blinking or moving point of light, guidelines for sensitivity versus frequency
This question is in the neurology/neuroscience rather than the psychology aspect of this site.
I'd like to check the limits of visibility of a (presumably green) LED at large (kilometer) distance, ...
2
votes
0answers
22 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 ...
4
votes
1answer
84 views
What would happen to the human brain after running out of memory?
According to this answer humans have enough memory to store 300 years of TV shows. However, of course, it is disputable, as storage system would be completely different from storing TV shows (videos) ...
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0answers
24 views
Is it possible the brain has a ROM?
Assuming the brain evolved in an efficient manner, then instead of different "circuits" for lots of different things (which may be true in less evolved species), wouldn't it seem likely that there ...
8
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1answer
488 views
What is the name of the bias that associate a thing as good because it has a relation to another good thing?
A customer buys X from "brand A" and has positive experience with it. "Brand A" also sells Y. Now the customer things it is good to buy Y because of his/her positive experience with buying X from ...
7
votes
2answers
62 views
Parallel arrangement of capacitor and resistor in leaky integrate-and-fire model
I have read from several sources that in the leaky integrate-and-fire model of a single neuron resistor (leakage) and capacitor (membrane potential) are arranged in parallel. Look at the following RC ...
4
votes
1answer
60 views
What extent is non linear dynamics and chaos helpful to study brain function?
Recently I've started reading dynamical systems in neuroscience by izhikevich and was fascinated by the subject. I would like to pursue PhD in computational neuroscience after my masters. Is it worth ...
0
votes
0answers
19 views
Recovering P300 information from raw EEG data [duplicate]
I am trying to recover P300 information from raw EEG data. I have information from 23 electrodes in my EEG cap and have several files form which I will need to recover this information. However, I am ...
3
votes
1answer
50 views
What are the neurological similarities between humans and primates?
I don't know exactly what primate specie is considered to be out ancestor. But the next question regards them.
Assuming that in the beginning *we considered true the remnants of many trial & ...
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votes
1answer
24 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.
3
votes
1answer
78 views
Is there any evidence for the cell assembly?
What is a cell assembly?
In Principles of Neural Science Eric Kandel, and colleagues wrote:
After this strengthening has occurred, a group of three neurons that are strongly coupled by excitatory ...
3
votes
0answers
31 views
Brain Dynamics at the Edge of Chaos
I've repeatedly come across the claim that brain dynamics operate near the edge of chaos, but usually they do not give any useful sources on how we actually know this.
I'm also aware that there are ...
0
votes
1answer
96 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. ...
3
votes
1answer
31 views
What does “diffuse slowing” mean in the context of EEG and Alzheimer's?
Horvath et al. (2018) mention that:
The disappearance of posterior dominant alpha rhythm and the diffuse
slowing in AD (alzheimer disease) are easily detectable EEG signs for the experienced
...
16
votes
2answers
4k views
Is there a mental condition that makes people unconditionally gullible?
The last several years in my country there has been a string of fraud that involves people, claiming to be police, asking citizens to contribute large sums of money to aid "police investigation".
The ...
1
vote
1answer
45 views
The number of things we can focus on at once
In terms of computer science, a programming runtime like JavaScript can be assumed to have 1 thread, or one thing to focus on at a time. The processor moves sequentially through instructions, ...
4
votes
0answers
42 views
ADHD and the Anterior Cingulate Cortex (ACC)
The cingulate cortex plays a significant role in mediating cognitive influences on emotion (Stevens, Hurley, & Taber, 2011).
Lower-than-normal activations within cingulate cortex have been ...
7
votes
2answers
122 views
Why do brains oscillate within specific frequency ranges?
Why do brains oscillate within specific frequencies?
I have two specific questions:
What are the physiological mechanisms which generate the oscillations within these very frequencies?
What would ...
1
vote
2answers
50 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.
6
votes
1answer
63 views
Do we know a priori any rules about the world?
1) Is there any set of rules that human beings or, more generally, other sentient living beings know a priori before any learning process?
In other words, do sentient living beings always were born ...
1
vote
0answers
23 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 ...
5
votes
1answer
23 views
NEO-FFI vs. NEO-FFI-3: What's the difference?
I just ran out of a large shipment of NEO-FFI booklets, so I went to order more from PARinc. This shipment has lasted since 2014.
It seems that the original version of the NEO-FFI that I was using (...
6
votes
1answer
41 views
What hormones stimulate non-sexual intimate behaviour?
From wikipedia article sexual motivation and hormones, it is said that testosterone/estrogen, oxytocin and vasopressin are stimulating sexual behaviour. But I'm wondering if any of these hormones are ...
5
votes
2answers
100 views
The computer model of the brain
I am a computer programmer or computer engineer, and am interested in comparing the brain to a classical computer in some way. How well does this comparison hold up?
This is a general introduction ...
3
votes
0answers
20 views
Is it an issue to use a model for stimulus selection, when the same model is later tested against fMRI data based on those stimuli?
I am planning an fMRI experiment which looks at similarity of human brain activation when prompted with known words.
The goal of the experiment is to compare the similarity of activation with ...
1
vote
1answer
36 views
What are the top contributions from neuroscience to AI and viceversa? How much progress has been made from the interaction between these two fields?
What are the top contributions from neuroscience to artificial intelligence and viceversa? How much progress has been made from the interaction between these two fields? Is there a formal research ...
1
vote
0answers
23 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?
0
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0answers
17 views
Is subcortical brain possible to investigate with functional resonance imaging (fMRI)?
Signals from Amygdala may be confounded and according to Huettel et al.,2009,
"subcortical nuclei such as the caudate, putamen and the thalamus are
all sufficiently large to encompass multiple ...
0
votes
0answers
18 views
How does the brain learn and execute causal reasoning for short-term and long-term planning?
What does state-of-the-art neuroscience research say about the way the brain learns and performs causal reasoning when it has to come up with short-term and long-term plans in order to achieve a ...
3
votes
0answers
28 views
Inducing error-related negativity
Which tasks induce the strongest error-related negativity? I'm trying to build a classifier that measures EEG signals to detect when a subject observes an error being committed by another subject. It ...
1
vote
0answers
19 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?
5
votes
1answer
44 views
Variation in prefrontal cortex development
I have read everywhere that the prefrontal cortex is not fully developed until about the mid twenties, but everyone's brain develops differently. Is it possible for a teens prefrontal cortex to be ...
0
votes
1answer
13 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, ...
1
vote
0answers
15 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 ...
1
vote
0answers
11 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 ...
6
votes
1answer
40 views
Does NMDA-receptor activation depend on neighboring AMPA-receptor activity?
This question is coming out of a couple points of confusion after I learned about about NMDA receptors' role in LTP.
I got the impression that after AMPA receptors were activated enough, which ...
6
votes
0answers
39 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
...
2
votes
2answers
113 views
Are thoughts transferred along with a brain during a brain transplantation?
If I'm transplanted with, e.g., Stephen Hawking's brain, would I start to think like him, or would I remain to think like me? On which, "thinking" ability depends , is it the physical structure of ...
4
votes
3answers
143 views
Why aren't any advancements being made in physically diagnosing Bipolar and other psychiatric disorders?
I was involved in a discussion where somebody had asked if others had thoughts of doing risky things during their manic episodes. Two people commented, including myself. I worried that only relying on ...
4
votes
1answer
85 views
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'?...
2
votes
1answer
63 views
Why do I perform better at rhythm games after a long period of not playing?
Every once in a while I decide to play Phase Shift (very similar to Guitar Hero). I might go weeks or months between plays, but when I return, I often break a high score within the first few songs I ...
2
votes
1answer
21 views
Stroke amelioration
Excessive sugar, like Pepsi, is considered harmful. However, I am wondering if it could be helpful if taken by a victim of stroke during or immediately after a stroke, or somewhat after a stroke? My ...
