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

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What are 'gap junctions' (electrical synapses) for?

I was reading this and I found the following sentences: Apart from chemical synapses neurons can also be coupled by electrical synapses, so-called gap junctions. Specialized membrane proteins make ...
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2answers
42 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 ...
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94 views

Predictive Experiments on Neuroscience of Free Will

It seems to be very interesting that we can use modern neuroscience and cognitive science research to inform us about the ages-old question of free-will vs. determinism. The standard experiment was ...
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103 views

Are the physical sensations of an emotion due to neural activity strictly in the brain or also in the body?

Symptoms of anxiety and anger are often described as some sort of energetic sensation in my chest and sometimes face or arms. Are these sensations an 'illusion' from neural activity strictly in the ...
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276 views

Does adult neurogenesis occur only in the olfactory bulb and the hippocampus?

The scholarpedia article on this subject says: Adult neurogenesis is the process of generating new neurons which integrate into existing circuits after fetal and early postnatal development ...
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How are psychological bio-markers discovered?

Recently, this paper claiming to be able to distinguish bipolar disorder from major depressive disorder via a urine sample has come to my attention. Despite reading the paper, I'm unable to ...
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Results from machine learning converging with results from neuroscience [closed]

I'm currently picking up deep learning, which is a trending method in the field of machine learning that have recently gained fame for breaking various records (for example in image recognition). It ...
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1answer
114 views

Can Transcranial Magnetic Stimulation (TMS), or a magnets cap make you smarter?

According to wikipedia, TMS is a bunch of magnetic fields directed to the brain which stimulates and activates neurons. If I wear a cap full of magnets, will it stimulate my neurons? If yes, will a ...
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93 views

Are the human cerebral hemispheres only connected via the corpus callosum?

Are the human cerebral hemispheres only connected via the corpus callosum? Or is there any other structure for interaction between the left and right hemispheres?
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How does it come about that specific areas of the brain are associated with specific functions?

During the development of the human brain, specific areas come to perform specific functions. How (and when) does this differentiation come about? Presumably, some areas of the brain naturally take ...
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1answer
52 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 ...
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2answers
181 views

How do neurons decide how to alter their output signals?

In computer science, neural networks are trained using backpropagation and other methods. Backpropagation heavily relies on mathematical formulas to describe how the weights should be changed ...
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What is the role of Chloride (Cl- ions) in membrane potential?

This Membrane Potential article mentions only that Cl- ion is used to model inhibitory GABA synapses. Does it have another role besides hyper-polarizing the cell due to inhibitory neurotransmitter ...
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109 views

Could ketosis be therapeutic for ADHD based on the neuro-energetic theory of attention?

I'm a complete neuroscience novice so please bear with me. One of the more interesting theories of the etiology of ADHD that I've read posits that the disorder may be one of neuroenergetics - the ...
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1answer
55 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 ...
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109 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 ...
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83 views

Are action potentials necessary for experience?

We know that, for example, during brain surgery, electrical stimulation in certain parts of the cortex is sufficient for experience, and result in reportable experiences in human subjects. We also ...
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154 views

Is there a biological limit for “amount” of happiness?

I have heard about neurotransmitters like dopamin and serotonin that are supposed to play a role in our feeling of happiness. I don't know how these chemicals works in our brain, but I am thinking ...