11
votes
Accepted
What is the name of the sense that keeps track of where your body parts are?
This so-called sixth sense is called kinesthesia or proprioception. There are some slight differences between the two, in that kinesthesia only refers to moving parts, whereas your proprioceptive ...
- 343
9
votes
Why can't surgeons operate on nerves?
Well, you can do do various surgical procedures on nerves. You can suture a macroscopic nerve (i.e. a nerve that you can see) that has been injured. However, there are various problems that come with ...
8
votes
Accepted
Is there a technical term for the phenomenon known as "brain zaps"?
Antidepressant Discontinuation Syndrome
Affects approximately 20% of patients who experience abrupt discontinuation of an antidepressant that has been taken for at least 6 weeks. There are a myriad ...
- 346
8
votes
What is the name for the symptom of mishearing words?
Receptive aphasia is a type of aphasia in which patients have difficulty understanding ("receiving") words as opposed to difficulty speaking them. There are more than one possible etiology and it is ...
- 5,754
7
votes
Accepted
Parkinson's Disease and Pesticides
Yes (ish), this meta-analysis proved a strong correlation between exposure to pesticides and likelihood of developing Parkinson's. Note, there is no direct X level of exposure leads to Y likelihood, ...
- 1,094
7
votes
Accepted
Why do I feel small stings all over my body in stress?
Paresthesia Anxiety Symptoms -- seems like the term/condition you are looking for (though I am not a doctor and am not diagnosing you as such -- I'm just trying to inform you of the term you might be ...
- 2,403
6
votes
Accepted
Myelin regeneration in Acute Disseminated Encephalomyelitis (Children)
Acute disseminated encephalomyelitis (ADEM) is an inflammatory disorder, which often follows an infection or a vaccination. It is the most frequent demyelinating disorder of the CNS in children.
In ...
- 3,194
6
votes
Why does caffeine make me sleep better?
Caffeine Absorption Caffeine Capsules - 200mg - 84-120 minutes
So maybe you took the caffeine, were already tired so you napped(2 hours or 120 minutes) just as it was kicking in full blown and ...
- 2,965
6
votes
Accepted
Skin receptors on finger tip
I'll assume you're only asking about mechanoreceptors, else it gets too murky.
Humans have four types of mechanoreceptors.
Meissner corpuscle, innervated by RA1 (rapidly adapting type 1) nerve ...
- 2,781
5
votes
Accepted
Is there any solid scientific evidence that Cinnamon can prevent Alzheimer's disease?
What you are hearing about is probably based on two articles:
Interaction of cinnamaldehyde and epicatechin with tau: implications of beneficial effects in modulating Alzheimer's disease pathogenesis
...
- 6,982
5
votes
Accepted
How many senses do we have?
You can't really put a number on it. There are so many edge cases that what counts as "a sense" is really a matter of opinion. For example: do you count proprioception (feedback about the locations ...
- 2,003
5
votes
Accepted
How do steroids work in treating a multiple sclerosis relapse?
Steroids are used as treatment for acute attacks/flares in many diseases because they reduce inflammation.
In multiple sclerosis, they are given to reduce inflammation of the nerves that occurs when ...
- 6,982
5
votes
Accepted
Is the Fight or Flight response considered voluntary or involuntary?
The "fight or flight response" occurs under the control of the autonomic nervous system, which is to a great degree (but not completely) involuntary.
The autonomic nervous system regulates certain ...
- 9,384
5
votes
ECT and retrograde amnesia
Permanent loss of memory seems only occur in the memory of the treatment and events leading up to the treatment.
The results indicated that ECT can initially disrupt recall of events that occurred ...
- 6,742
5
votes
Accepted
Biochemistry of (tap water) iontophoresis?
Tap‐water iontophoresis (TWI) using direct current (DC) is considered by some to be the most effective therapy in palmoplantar hyperhidrosis, although it is debated that botulinum toxin injections may ...
- 6,154
5
votes
Accepted
Does a unilateral total obstruction of the carotid artery cause brain damage?
Unilateral carotid compression (Carotid Compression Test) is an important procedure before performing vascular surgery for either of the carotid arteries, because during the surgery, they need to be ...
- 6,742
5
votes
Accepted
Why do neurostimulators for DBS need to be implanted?
TL;DR: Placing it in the chest or abdomen actually makes perfect sense.
There are several reasons why your ideas won't work, at least with current technologies.
why not either a) have the pulses be ...
- 9,694
4
votes
Is possible that pain will start epileptic seizure?
There are several parts in your question.
Does pain trigger epileptic seizure?
To answer this question, it is essential to understand what is an epilepsy. An epilepsy arises when the normal ...
- 3,194
4
votes
Accepted
If meditating lowers brain activity and low brain activity is good then how come when you see low brain activities in (brain) PET scans its bad?
Lowered brain activity in a PET scan isn't necessarily bad. It depends on what part of the brain is less active than usually and whether this is a permanent or transient state. Our brains are less ...
- 6,982
4
votes
Accepted
Reversing Alzheimer's disease through Withania somnifera
You should read the article carefully. In the Introduction section they give some insight for their study:
The majority of AD cases are sporadic in nature. The small fraction of familial cases are ...
- 2,312
4
votes
Accepted
What disorder would cause sweating to appear only on one half of the face?
There are a number of possibilities, from benign to serious.
Sweating is under the control of the sympathetic nervous system, as is vasodilation (facial redness). Anhydrosis of only one side of the ...
- 9,384
4
votes
Accepted
What is the difference between Axon terminal and Synapses
If you have a look at one of the most famous reference book in neuroscience "Principles of neural science" by Kandel (Fifth Edition), on page 22:
There is this figure:
And here is the description of ...
- 905
4
votes
Accepted
Deep brain stimulation for Parkinson's Disease
This is an interesting question. The role of deep brain stimulation in Parkinson's disease has increased in the last years.
Recently, de Souza et al adressed your concern and reviewed studies ...
- 3,194
4
votes
Accepted
Do all neurodegenerative diseases show up on an MRI scan?
Neurodegenerative diseases are diagnosed on the basis of clinical symptoms (memory impairment for Alzheimer Disease/ bradykinesia, tremor and rigor for Parkinson Disease) +/- neuropsychological tests. ...
- 3,194
4
votes
Accepted
Any research on brain's processes involved in evil actions?
When you put it that way...
"...a cerebral circuit of evil..."
...no, that is absolutely ridiculous (no offense).
In the human body (and generally in nature) there are only physical and ...
- 424
3
votes
Antihypertensive as a treatment for Tourette's. (And Antihypotensive to make blood pressure normal?)
Following paper Tourette’s Disorder. Lyon, G.J., Shprecher, D., Coffey, B. et al. Curr Treat Options Neurol (2010) 12: 274. doi:10.1007/s11940-010-0073-x provides a good (somehow recent) review on ...
- 3,194
3
votes
Can sleeping too much damage the brain and heart?
Although this question is hard to research - you're dependent on self-reported data on sleeping hours, and there are many confounders that influence this relation (why do people sleep longer? maybe ...
- 441
3
votes
Diagnosis of Alzheimer's disease
Diagnosis of Alzheimer's Disease is something only a medical professional can do. However, the symptoms are often first observed by friends and family, and here is what the physician will look for:
...
- 6,982
3
votes
Is there a technical term for the phenomenon known as "brain zaps"?
Short answer: No. There is no technical term for "brain zaps."
"Antidepressant discontinuation syndrome" accurately names the cause of brain zaps, but brain zaps are only one of many symptoms of ...
- 31
3
votes
Accepted
What happens to the brain after a hemispherectomy?
Once hemostasis was achieved, the hemispherectomy cavity was copiously irrigated until the fluid was crystal clear. While keeping the cavity dry, a layer of Gelfoam and Surgicel was placed over the ...
- 6,982
Only top scored, non community-wiki answers of a minimum length are eligible