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3
votes
3answers
117 views

Do skull bones have pain nerves (nociceptors)?

I recently attended an awake brain surgery for deep brain stimulation and it seemed to me that only the skin surrounding the drilled hole got local anaesthesia. I know that the brain itself does not ...
3
votes
2answers
139 views

How is information sent from limbs to the brain exactly?

Say you have a needle, and you poke a very specific area on your left thumb. A signal gets sent from that nerve up your spine and into your brain. How does the brain know exactly where this signal ...
2
votes
1answer
45 views

Biological advantage of electric synapses

Electric synapses are synapses that do not process information but simply foward one action potential from one neuron to the next. There are no neurotransmitters, no inhibitory and exitatory ...
0
votes
0answers
53 views

Cajal's theory on contralateralization

Do you know of any source out there in English that at least summarises this subject? I can only trace bits of it from other papers in English but I can't find any clear explanation.