For questions about the biology of the nervous system, from a macroscopic to microscopic perspective.

learn more… | top users | synonyms (1)

2
votes
1answer
234 views

OCD Motivation and Dopamine Motivation, is there a connection?

I understand that OCD is something that causes sufferers to perform irrational behavour consciously, I also understand that the motivation comes from performing the irrational behaviour/behaviours to ...
2
votes
1answer
119 views

What is the biological reason behind disorganized thinking and disorganized behavior in thought disorders?

Having disorganized thinking is different for everyone. But, it is sometimes described as not being able to connect thoughts together. I am asking about disorganized thinking other than communication ...
2
votes
1answer
43 views

Is cortisol an effective measure of stress for pre and post task performance?

I have a teleoperation system and I want to see how much stress a person is under before during and after operating it. I thought cortisol would be a correlate of stress. Can I measure levels rapidly, ...
2
votes
1answer
112 views

How many synapses in the average human brain?

Knowing there are 100,000,000,000 neurons in an average human brain, and 7,000 dendrites in each neuron, and neurons are connected to each other by dendrites and axon terminals, how many synapses are ...
2
votes
1answer
104 views

How do thoughts work at the neuron level?

How does thought work at the biological level of individual neurons? I believe there are many neurons which are active in the brain at the same time. For example, our senses are constantly taking in ...
2
votes
1answer
227 views

Possibility of perfect virtual reality [closed]

Is it biologically possible to build a "perfect" virtual reality, in which the person in that world cannot distinguish it from the real world? (e.g. as in the movie The Matrix) From my knowledge ...
2
votes
2answers
32 views

Are there models of single neurons on slow timescales?

From what I've come across on the web, most models of single neurons seem to focus on the "fast timescale", where electrical signals are transmitted from one neuron to another. However, neurons are ...
2
votes
1answer
84 views

What are the neurobiological factors related to depression?

While it is agreed that neurotransmitters aren't the primary "cause" of depression, what other factors are a part of this mental illness that focus on the neurobiological aspects of it?
2
votes
1answer
103 views

What is runaway excitation?

Can someone give me a brief explanation of this term? Found it in a paper but there doesn't seem to be an explanation that is consistent out there to my knowledge.
2
votes
1answer
28 views

What is the relationship between neurotransmitter release and resting potential in retinal bipolar cells?

Retinal bipolar cells are known to have resting potentials from which they can become more or less polarized. What I'm wondering is whether a bipolar cell's neurotransmitter-release rate is zero when ...
2
votes
1answer
39 views

Determining the position of the calcium ion in the three dimensional space

Is it possible to determine the position of a single calcium ion or its population in the context of a three dimensional space with relatively good time frequency, say 1 Hz, taking into account ...
2
votes
1answer
127 views

How does the brain learn abstract maths?

I have found quite a bit of information of how, on a neurological level, we learn the most basic forms of maths. We seem to be hardwired from the get go, to deal with manageable quantities, can ...
2
votes
0answers
21 views

How does oxygen deprivation affect neural activity?

It is increasingly common for someone to regain a heartbeat after a cardiac arrest. During the time that the person is without a heartbeat, and so without circulation, the brain is deprived of oxygen. ...
2
votes
0answers
70 views

Have any drugs been shown to increase the neuroplasticity of adult brains?

I read recently in the book "meet your happy chemicals" that the hormones of puberty are neurochemicals that cause your neurons to connect and myelinate more easily. If this is true have any studies ...
2
votes
0answers
28 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 ...
2
votes
0answers
30 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 ...
2
votes
0answers
48 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 ...
2
votes
0answers
34 views

Physiological mapping of frustration

What physiological changes are seen in the brain when a person is experiencing frustration? What effects do these changes have on learning? Optional background: I'm trying to figure out an ...
2
votes
0answers
28 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 ...
2
votes
0answers
39 views

How do ligands bind to and release from receptors?

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, ...
2
votes
0answers
47 views

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

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, ...
2
votes
0answers
55 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 ...
2
votes
0answers
81 views

Can “7 deadly sins/virtues” be explained in terms of brain hormone level or receptor mutations? [closed]

I'm thinking about this question on biology.se: do hormones make men think of sex? From the interview linked in the answer, I get two takeaways: a man who lost most testosterone for 4 months ...
2
votes
0answers
144 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 ...
2
votes
0answers
298 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 ...
1
vote
8answers
4k views

What's the major difference between mind and brain?

I am preparing a presentation on "Mind Reading Computer", and all articles that I came across were focused on reading interpretations from brain through sensors. Articles like this clearly show a ...
1
vote
4answers
144 views

If a human brain would be placed inside that of an animal: Could it talk?

Assumption: Animals can't talk 'human' because of their small(er) brain. Perhaps a strange thought, but I was really wondering: If we could place a human brain inside that of an animal: Would we be ...
1
vote
1answer
64 views

Is there another example of a strongly emergent phenomenon besides the mind?

If you agree that the mind arises from the brain and is an emergent property of it, then the mind has to be strongly emergent, rather than weakly emergent. Is there any other example in reality of a ...
1
vote
1answer
428 views

Studies linking brain chemistry to sexual infidelity

This study Oxytocin Modulates Social Distance between Males and Females examines the effects of Oxytocin (OXT) on men in monogamous relationships. It demonstrates that OXT assists in maintaining ...
1
vote
1answer
42 views

Is the weight of neural inputs in the human brain as central as it is for neurons in an artifical neural network?

As an example of an artificial neural net (ANN), a neural processing unit (NPU) is able to encode previous (learned) information by storing a weighted resistance for each input. Since ANN's are ...
1
vote
1answer
34 views

What are the neurobiological factors associated with intelligence in animals?

For example, is there a well-defined relationship between "number of neurons in the cortex" and some measure of "intelligence" in animals? I'm familiar with the encephalization quotient - that is, ...
1
vote
1answer
94 views

Are there neurological conditions that can be worsened by B group vitamins?

I know that vitamins B6 and B12 are very important for the brain function, and both are involved in metabolism of homocysteine. Buildup of homocysteine has been associated with cognitive impairment. ...
1
vote
1answer
82 views

Brain after (electrical) blackout

I was wondering what happens if we lose all electrical impulses in our nervous system for a minimum amount of time. So first of all it is obvious that we will break together, as we are dead while we ...
1
vote
1answer
60 views

Law and its formula that says: more time organism working the slower (or less precise) the movements

What is the name of the law and the equation that says that "the more time an organism is working the slower (or less precise) its movements." ? I read once that there is a law in behavioral science ...
1
vote
1answer
38 views

Parasite that takes over cognitive functions [closed]

I am testing an idea for a book. The backbone of the story is that there exists a parasite that can enter the brain of a creature and take over its cognitive functions. I imagine that it could wire ...
1
vote
2answers
62 views

Are there any serious neuroscientific theories of emotional valence?

Could anyone tell me if there are any serious neuroscientific mechanisms that have been proposed to explain how feelings of body states take on a positive or negative character (valence)? An example ...
1
vote
1answer
46 views

What is the current consensus on if fMRI studies in blood flow actually match brain activity?

How good is blood flow (BOLD signal) as a measure of actual neural activity? What deficiencies exist?
1
vote
0answers
14 views

How common is it for twins conjoined at the head to share thoughts and visual stimuli?

I've always been interested in the possibility of a pair of conjoined twins, joined at the head, being able to read each other's thoughts, react to stimuli that one of them can't see/hear/feel, and ...
1
vote
0answers
88 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 ...
1
vote
0answers
30 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 ...
1
vote
0answers
22 views

Do studies exist that can map specimens of neocortex to the functions they perform(ed) in vivo?

Much brain research has proposed that the brain (the neocortex, esp.) is set up in areas - an area for faces, an area for language, etc.. The experiments typically go 1) damage an area 2) observe ...
1
vote
0answers
122 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 ...
1
vote
0answers
29 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 ...
1
vote
0answers
72 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?
1
vote
0answers
59 views

What are the neurobiological mechanisms behind clumsiness

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 ...
1
vote
0answers
468 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 ...
1
vote
1answer
46 views

Unified Theory of the Human Brain [closed]

I'm a junior researcher(Life Sciences undergraduate) starting out in computational genetics of neuroscience, and I want to create a Unified Theory/Computational Model of the human brain and all its ...
1
vote
1answer
127 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 ...
1
vote
2answers
192 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 ...
0
votes
2answers
82 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?