Questions tagged [neurology]

Generally regarded as the center of the nervous system in most living beings.

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0answers
300 views

Are the diagnostic criteria of brain death reliable?

There is a large number of sites - particularly fundamentalist Christian sites - claiming that the people who meet the diagnostic criteria for brain death are, nonetheless, capable of recovering. For ...
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434 views

Does salt (or sodium) not make you thirsty?

This is from a Toronto MS thesis: High dietary sodium intake is hypothesized to increase food intake (FI), fluid intake and glycemic response. Two short-term randomized repeated-measures studies ...
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Does learning immediately before going to sleep increase the effect?

I have read now several times as a "secret tip" that learning directly before going to sleep significantly increases the effectiveness of learning, probably the long-term memory when, for example, ...
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1answer
714 views

Is sleep “defragmentation” for your brain?

I've seem several articles claiming that sleep is akin to the usual proccess of hard drive defragmentation, however for your brain. This process allegedly prunes synapses/memories and reconsolidate ...
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1answer
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Can I get high using binaural beats?

Some sites claim that you can get high using binaural beats: All I-Doser doses are tested by a panel of users who consider themselves experienced in binaural beat modification. A dose is not passed ...
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Will rats given the ability to artificially stimulate their pleasure centers starve to death?

There's a widely-held belief [example] that a rat will starve itself to death if given a lever to press that will stimulate some "pleasure center" via electrodes implanted in its brain. Supposedly, ...
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Is there a relation between brain physiology and gender identity?

I recently came a cross a blog post that talked about DSD or Intersexuality as they rather call it. One of the claims that was made is that gender identity (that is, whether I think of myself as male ...
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859 views

Is addiction a disease?

In the DVD Pleasure Unwoven, Dr Kevin McCauley, a medical doctor, claims that addiction is a disease. In the video he argues against the choice model, and explains the neuroscience of addiction I ...
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Does listening to complaints damage your neurons?

I read this old news today as it's gone viral in Italy: That pain you feel listening to complainers? It's real enough to peel away neurons from your brain and render it pretty much useless, reports ...
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810 views

Is transcranial Direct Current Stimulation beneficial for a healthy human brain?

I recently ran into a website making some pretty interesting claims about "transcranial Direct Current Stimulation (tDCS)". The claims are as follows: Overclock your brain using transcranial Direct ...
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1answer
475 views

Does listening to classical music “Improve Cognitive Function”?

https://www.dumblittleman.com/kickstart-your-brain-with-the-mozart/ The article says: Several studies have shown cognitive improvements in those who listened to classical music prior to performing ...
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1answer
364 views

Does SuperBrain yoga improve cognition?

SuperBrain yoga is a yoga practice that features holding your earlobes with your opposite hands. It is described in a 2005 book. The ad copy claims: SuperBrain Yoga is a scientifically validated ...
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Are obese patients in the US commonly sent to zoos for CT scans?

Nothing like the Daily Mail for raising an eyebrow: The bizarre requests to use CT scanners, normally intended for four-legged animals, at the UK’s leading veterinary college in north London were ...
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1answer
760 views

Does it take 30 seconds for a person to consciously realize that they're awake?

Source: "You actually have to be awake for a full 30 seconds to consciously realize that you are awake, but the body falls right back into sleep immediately after it wakes up to take a breath," ...
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212 views

Does stimulating the hypothalamus signal brain to store less body fat?

I come across another Indiegogo project that promises a weight loss just by carrying their device on the head. This device stimulates nerves behind the ear. They claim that these nerves send a signal ...
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Does social media cause permanent damage to concentration capability?

In this TEDxtalk (transcript is here), the speaker claims that there is a growing amount of research that shows that spending large amounts of time on social media permanently damages the capability ...
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Has BrainHQ received 20 research grants from The National Institute of Health and other institutions?

BrainHQ claims in the post, "A Side-by-Side Brain-Training Comparison: BrainHQ - vs - Lumosity": Number of research grants received (e.g.The National Institute of Health) - 20 Has BrainHQ received ...
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Near death experiences — clinically dead person “sees” something, later verified to be true?

This is slightly different from the question HERE, asking "Is there and explanation for near death experiences." I'm not discussion the vague, light-in-the-tunnel, warm-feeling near death experiences (...
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Is the experience of unified perception produced by the (physical) brain?

From 1:37 to 3:22 in this video, the claim is made that we can clearly see that brain chemistry cannot give rise to unified subjective experience and cannot explain how our experiences emerge. The ...
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Does area of the brain associated with the sense of self “shut down” when praying?

Is there any study done on the claim that the area of the brain associated with the sense of self "shuts down" when praying? In the NBC News article "What Happens to Your Brain When You Pray?", ...
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Do emotionally-driven tears release toxins from the body?

Sometime ago I'd heard someone trained in child psychology claim that crying for emotional reasons (as opposed to getting something in your eye for example) released toxins from the brain and/or body. ...
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313 views

Does Marmite improve the brain?

The British food spread Marmite is well known to polarise opinion (people either love or hate the taste with few people showing indifference). Wikipedia describes it as: ... the product is a sticky,...
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Can you become a genius by a hit in the head? [duplicate]

I watched some show on H2 channel, where they said that some people became geniuses after being hit in head. If we ignore the crap about aliens (their theory was that they were taken by aliens), did ...
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1answer
163 views

Can brain tests on toddlers predict future criminality? [closed]

A study reported in Nature Human Behaviour in 2016 generated a lot of media hype. Typical headlines asserted: The disturbingly accurate brain science that identifies potential criminals while they’...
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1answer
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Can anyone function on just 2 hours sleep per night?

This infographic advert describes the sleeping habits of a few well-known people: A few of them were claimed to have gotten by with extremely little sleep. For example: Tesla, 2 hours of sleep per ...
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2answers
988 views

Do AVS/Psychowalkman/Mind Machine devices work?

There are plenty of so called Audio-Visual-Stimulation (AVS) tools you can buy on the market (used to be called Psychowalkman). They usually claim that it can stimulate brain with sound/visualization ...
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Does “midbrain activation” cause clairvoyance?

There was this kid in my town who claimed that his instructor had trained him using Mid-Brain Activation, see Midbrain Activation) techniques, and as a result he could "see" things while being ...
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947 views

Do Nervana earphones stimulate the vagus nerve to enhance mood?

The company Nervana claim that their new earphones and generator devices can stimulate the vagus nerve in the ear. The proprietary left earbud [...] not only receives the left channel of the music ...
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1answer
314 views

Is MSG excitotoxic?

Popular YouTuber Alex Jones claims (in a YouTube video with nearly 1M views) that MSG is an excitotoxin and harms the brain and liver. I haven't even had time to get into MSG. I mean, I've ...
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9k views

Can a person forget their own name?

I've seen it many times in movies; people not only forget something that happened, but they forget who they are entirely- including their name. A much-used plot device, retrograde amnesia occurs ...
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1answer
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Does converting handedness lead to memory disorders?

Linkshaender Beratung (a.k.a. Lefthander Consulting) warns that trying to convert someone from being left-handed to right-handed (or vice versa) leads to a number of direct and indirect harms. The ...
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1answer
3k views

Does sex cure headache's symptoms or causes?

The claim that sex cures headaches is commonly quoted. For example, from 10 Reasons Sex is Good For You: 10. Sex Can Cure Headaches A South Illinois School Of Medicine study on 52 migraine ...
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3answers
8k views

Do we only use 10% of our brain?

I've heard claims that the average person uses only 10% of their "brain power," whatever that means. The implication, though, is that there the majority of our brain's potential is untapped. However, ...
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Are our gut microbes responsible for 50-90% of our behaviour-regulating neuro-transmittors?

I have always concidered this channel serious, but they are making very bold claims. https://www.youtube.com/watch?v=T3Ftj5E90tY 50% of our dopamine and 90% of our serotonin is created by microbes ...
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Does moderate exercise improve learning ability?

Heavy exercise temporarily depletes glycogen, a short term energy store, from the brain (after doing so from the muscles and liver). However, light exercise has a positive effect on learning ability. ...
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305 views

Do we “live” further in the past based on how tall we are?

Vsauce, in this video, You Live In The Past, viewed over 5 million times, claims that when you tap your nose and your toes at the same time, they feel as if they happened at the exact same time (which ...
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1answer
930 views

Did Emil Krebs master 68 languages?

The German polyglot Emil Krebs allegedly mastered 68 languages. Which, frankly, I find unbelievable. Unfortunately, I cannot find any reliable and convincing source. Is there solid evidence that Emil ...
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430 views

Does playing electronic games interfere with a child's healthy dopamine response?

In this August 2015 Psychology Today blog article, a child psychiatrist and author, Dr Victoria Dunckley makes a number of claims about how screen time is causing symptoms of mental health problems. ...
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219 views

Is there a link between ADHD and drinking fluoridated water?

[Newsweek][1] claims a study shows a link between ADHD and fluoridated water. New research shows there is a strong correlation between water fluoridation and the prevalence of Attention Deficit ...
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1k views

Do we dream every night?

Tell someone you don't dream at night, and you'll often get the reponse, "Oh, didn't you know we dream every night? It's just that we forget our dreams". This is usually said as if it's a scientific ...
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1answer
534 views

Do male human brains have better global efficiency than female human brains and female brains have better local efficiency in the right hemisphere?

Wikipedia writes in Lateralization of brain function: Significant differences between male and female hemispheric rivalry and dominance have been established. Male brains have significantly better ...
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1answer
710 views

Does the right eye feed information to the left brain hemisphere while the left eye feeds information to the right brain hemisphere?

Changingminds writes in Right and Left Brain: The brain cortex (the crinkly 'walnut' bit) is divided into two clear hemispheres, connected by the corpus callosum, which provides an 'information ...
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1answer
5k views

Does broccoli have a nervous system?

It appears there are non-reliable sources on the internet claiming broccoli has a nervous system: forum at funnyjunk.com: Broccoli have a very primitive nervous system. Technically, they are able ...
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1answer
291 views

Do antidepressants cause brain damage?

A friend two years ago read an online article that claims antidepressants cause brain damage. I don't know which one, but I imagine it was something like this. Do antidepressants cause brain damage?
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1answer
301 views

What is the source for these brain scan images? [closed]

Here are four brain scan images, attributed to some non-scientific twitter account on the left: https://twitter.com/ProtestPics/status/717547937841221632/photo/1 Trying reverse image search brings up ...
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2answers
7k views

Is there any correlation between the ear to which you hold the phone and the person on the other end?

On a Big Bang Theory episode (sec 56) Leonard is talking over the phone and everyone wonders who's the person on the other side, afterward Sheldon claims: This should be fairly easy to deduce. He’s ...
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1answer
291 views

Can hearing aids “repair” hearing issues thanks to brain plasticity?

I'm 24 and for some undetermined reason, I have hearing loss exclusively from the left ear and this, from my childhood. Nothing (treatment, surgery, etc) can be done to cure my ear so I decided to see ...
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246 views

Does 70% of our brains cells change every day? If yes, how significant is that?

Frederick Travis claims that 70% of our brain cells change every day (for example in this clip and in this talk). Considering that we've got a lot of brain cells, that 70% seems a lot as well. If ...
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2answers
2k views

Does beer kill brain cells?

Oh, Lisa, you and your stories. "Bart is a vampire." "Beer kills brain cells." Now let's go back to that...building...thingy, where our beds and TV...is. -The Simpsons It isn't just Lisa Simpson, ...
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2answers
3k views

Does long-term use of MDMA (“Ecstasy”) cause cognitive impairment?

The MDMA page of Wikipedia currently states: A meta-analytic review of the published literature on memory show that ecstasy users may suffer short-term and long-term verbal memory impairment—with ...