For questions about the biology of the nervous system.
10
votes
2answers
397 views
What are current neuronal explanations and models of 'consciousness'?
I would like to understand more about consciousness from a neuroscientific perspective. I have a limited understanding of it in the philosophical/psychological sense through lectures.
Although it is ...
6
votes
1answer
164 views
How does neural spiking begin in the fetus?
I'm interested in modeling human brain spiking activity. How does the very first spiking activity begin in the fetus?
I imagine all spiking activity is initiated by the senses and internal ...
12
votes
3answers
402 views
Research suggesting conscious control over brain region activation?
Has there been any research proving, disproving, or exploring the concept of conscious activation of specific brain regions?
To elaborate on this:
I've read that performing processing tasks causes ...
15
votes
3answers
4k views
Why would the brain flip the images perceived by your eyes?
The following is a common scientific statement, which you don't have to google long for to find:
The eye views images upside-down in the manner of a camera lens, but
our brains reinterpret this ...
7
votes
1answer
307 views
What form might Jungian archetypes take in the brain?
Modern psychology and psychiatry are very well grounded in scientific principles. Both, however, have a history in various analytical philosophies. Jung had the notion of an archetype, a universally ...
8
votes
1answer
258 views
Is there a region of cortex which over a period of development becomes the seat of self?
Background
Mountcastle's hypothesis, which is based on the observation of uniform cortical anatomy, suggests that the there might be a uniform cortical "algorithm". The only reason that some cortical ...
6
votes
2answers
132 views
Are different types of long term memories stored in different parts of the brain?
I recently had some questions concerning the capacity of the brain's memory:
Are different types of long term-memories like know-how, your-life, etc. remembered in different parts of the brain?
If ...
11
votes
2answers
205 views
How are newly created neurons recruited into existing networks?
As far as I understand, the basics of neurogenesis (abstracted down to the level that makes sense to a computer scientist) is as follows:
Neural progenitor cells differentiate into new neurons that ...
3
votes
2answers
238 views
Where is the visual “image” that we “see” finally assembled?
David Hubel's online book, Eye, Brain and Vision describes in great detail our early visual system. The image that we are conscious of when we open our eyes goes through a complex path:
The final ...
13
votes
3answers
605 views
Why does neuroplasticity decrease in adults?
Although adult brains are malleable and even undergo limited neuorgenesis, the extent of the neuroplasticiy is much lower than in children. This is most obvious in language acquisition, and recovery ...
10
votes
2answers
380 views
Biological plausibility of bayesian models of cognition
Inspired by this question: What are drawbacks to probabilistic models of cognition?
I would like to know more about the biological plausibility of Bayesian models of cognition. Is there any neural ...
10
votes
3answers
237 views
What is the term for a psychological effect which does not have a neurobiological/genetic basis?
When a psychological condition is the result of irregular brain structures or neurotransmitter imbalances we say the condition has a neurobiological basis; this is analogous to the classic Nature in ...
8
votes
1answer
91 views
What is the role of traveling waves in circuit formation during cortical development?
Propagating waves of activity have been characterized in various regions of the brain such as the visual cortex (Nauhaus et al., 2012). Recently they have been reported for the first time to occur ...
7
votes
3answers
186 views
Neurotransmitter based imaging techniques
All the brain imaging techniques I know fall into two categories:
Tracking blood
Either by looking at the magnetic (fMRI), or near-infared absorption (diffuse optical imaging, NIRS) properties of ...
4
votes
3answers
145 views
Theoretical limit to the use of mental faculty of the brain
A lot of articles stress the importance of having to train the brain (By training the brain, I mean the cognitive faculty of the brain for learning things and not brain's normal functions) since the ...
6
votes
2answers
305 views
In what ways can neurons fire randomly?
When developing a model of a biologically-plausible neural network, it is important to know all the circumstances under which neurons can fire. But, I am limiting this question to random firing. In ...
3
votes
2answers
1k views
Why are some people unable to easily memorize the lyrics to a song?
Although I have listened some songs hundred of times I can't sing the lyrics to any of these songs from beginning to end without pauses. However I am able to whistle the whole song without difficulty. ...
1
vote
1answer
140 views
Physiological differences between brains of Conservatives and Liberals
I work for a non-profit research organization and I have been assigned to do research on this topic. I have been doing my best to find studies on this topic but every website and article seems to ...
-3
votes
1answer
161 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 ...
6
votes
1answer
118 views
Introductory resources on developmental psychology/neuroscience
I'd like to be able to answer questions such as:
What neuro/psychological functions underly competences such as empathy (or others - see background below)?
What neurotransmitters are of particular ...
4
votes
1answer
177 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 ...