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Questions tagged [neurology]

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

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107
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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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8answers
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Could people perceive the color blue in ancient times?

This article claims that no ancient language anywhere in the world had the word for "blue", that for instance Homer described the sea as "wine-dark", and that the color blue has only appeared more ...
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1answer
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Do the Left Brain and Right Brain have different functions?

I've heard that the left brain controls the logical aspects of the thought and right brain controls the creative. Is there any truth to such claims?
52
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1answer
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Is there any harm in forcing/re-educating a left-handed child to use their right hand?

Backstory: Many of my relatives were subjected by their parents to a "training process" to "prevent" left-hand-dominance. This method started at a very young age and basically consisted of politely ...
50
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3answers
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Could an adult mind automatically adjust if a person was to wear glasses that inverted/flipped all vision?

It is known that the human eye anatomy makes it so that all images we see with our eyes are flipped upside down. Without noticing it, at an early age, the brain is adjusted to this. What I mean is ...
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2answers
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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 ...
42
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1answer
263k views

Does it take the same force to bite through a finger as a carrot?

I've heard (multiple times) that your finger is as easy to bite through as a carrot. Here are some places I've seen it proposed: KGBAnswers WikiAnswers Additionally, it is a popular question on ...
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2answers
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Are there an unusually large number of people with Asperger's who work in or study IT or Computer Science?

I hear it claimed very often that there is a higher incidence of people with Asperger's Syndrome who work in IT or study computer science (far more so than other fields). This wired article touches ...
40
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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 ...
35
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3answers
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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 (...
33
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1answer
4k views

Is mental exhaustion something real?

I can go from working hard on algorithmic programming a whole day, and feeling totally mentally exhausted, to playing chess. As far as I can understand, these two types of thinking should be strongly ...
33
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2answers
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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. ...
32
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3answers
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Does the brain use more energy during mental work?

There is the idea that mental work is tiring. Does the brain as a whole need to consume more glucose and oxygen when we are "mentally active"?
32
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1answer
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How does deja vu work?

If you've ever had that fleeting, mysterious sense that something new -- a city or person you’re seeing for the first time -- is somehow familiar, that you’ve been there or known them before,...
26
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1answer
6k views

Is a lack of breakfast the #1 brain damaging habit?

I came across the following list. "Top 10 biggest brain damaging habits". Although they're all interesting "food" for skepticism, I will focus on #1, because I find this a peculiar claim. Some other ...
25
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2answers
2k views

Do we perceive time passing slower during an accident?

Is there any scientific proof to the feeling that time slows down when we are in danger or crisis? Do we think faster? See faster?
25
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1answer
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Does the brain limit muscle strength in humans, but not in other apes?

In researching whether the brain limits our muscle strength, Sciencedaily has a quote: Add to this the effect of severe electric shock, where people are often thrown violently by their own extreme ...
24
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2answers
6k views

Does drinking coffee improve concentration?

Will drinking a cup of coffee before I sit down to work improve my concentration, compared to drinking a cup of water?
24
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1answer
5k views

Does Lumosity increase your intelligence?

Lumosity is a popular website that claims to help you become a more intellectually capable individual. Harness your brain's neuroplasticity and train your way to a brighter life" Is it truly ...
24
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2answers
2k views

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 ...
24
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2answers
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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, ...
24
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3answers
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Do any brain training games make you smarter?

What are the benefits over just playing a normal game? Sites such as Lumosity claim they are training your brain and making you smarter using "what seems like games". Is there any scientific evidence ...
23
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2answers
9k views

Can “binaural beats” alter your state of consciousness?

According to many websites and YouTube videos (including Wikipedia): "Binaural Beats" are a proven brain wave entrainment audio stimulus that are guaranteed to alter your state of consciousness. ...
22
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1answer
12k views

Can any EMF detector detect ghosts?

It has been my understanding that EMF detectors are used for a wide variety of applications. For example, EMF detectors can be used to measure electrical leaks in microwave ovens as well as ...
22
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1answer
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Have coma patients ever gained the ability to speak a foreign language fluently?

I read this article about a Croatian teenager waking from coma, speaking fluent German. She started learning German before the coma. I know of savants and few people showing special mental ...
22
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1answer
860 views

Can Functional MRI be used to determine if someone is lying?

To my knowledge traditional lie detectors don't really detect lies but rather blood pressure, pulse, etc. and can be fooled with sufficient self control. What about Functional MRI? Can FMRI be used ...
21
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2answers
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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, ...
20
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1answer
962 views

Is there any scientific evidence that this illusion illustrates which side of our brain we use?

http://www.dailytelegraph.com.au/news/weird/the-right-brain-vs-left-brain/story-e6frev20-1111114577583 the newspaper article makes the claim that if you look at the image and the dancer is spinning ...
18
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2answers
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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 ...
18
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2answers
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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 ...
18
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1answer
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Can people forget how to ride a bike?

I doubt that people never forget to ride a bicycle. If my grandfather, who hasn't ridden a bicycle in over 30 years, were to hop on one and start riding, I would be immensely surprised. Are there any ...
18
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1answer
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Does staring at a flame slow brain activity?

I was looking for an answer to this question on the tubes and I was amazed to discover an impressive set of completely crap answers to this question. Photo by kayaker1204. Creative Common License. ...
18
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2answers
1k views

Is there a benefit to “resting your brain” for a significant period of time?

I had an intense quarter at school where I was studying and working pretty much all the time. Over winter break, I had many grand intentions of studying on my own and learning what I wanted to learn. ...
18
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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 ...
17
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3answers
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How much do we know about the brain?

Here's a question that is bound to be controversial but is not intended as such. Do we really know anything at all about the brain? Is neurology really a science? I'm an epileptic patient and ...
17
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1answer
1k views

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 ...
16
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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 ...
16
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1answer
1k views

Should I perform minor daily tasks with my “off”-hand to keep my brain active?

You find this advice all over the web: Use your non-dominant hand to do simple tasks such as brushing your teeth because it will make new brain cells grow. On the other hand, it is suggested that it ...
15
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2answers
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 ...
15
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2answers
5k views

Does brain mass have any correlation to intelligence?

According to many (I cannot find a source at the moment), Albert Einstein's brain weighed less than average. It is a common belief that there is no correlation between brain mass and intelligence. Is ...
15
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1answer
6k views

Does a dog's brain secrete the same substances when it sees its owner as humans do when in love?

The following statement is doing to the rounds across the social web: When a dog sees its owner, its brain secretes the same substances as ours when we are in love It is usually accompanied by an ...
15
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2answers
3k views

Are left-handed people smarter or more creative?

I frequently hear that left-handed people tend to be smarter or more creative. For example, a disproportionate number of musicians, presidents, and doctors are left-handed. Does being left-handed give ...
15
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4answers
12k views

Is suicide through thought possible?

Moult studies have shown the control power our brain has. From relaxing yourself, to decreasing your breathing rhythm and auto-hypnotizing yourself to sleep (all three of which I have experienced), ...
15
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1answer
4k views

Can headbanging cause brain damage?

I'm not personally a fan of headbanging, but a friend of mine recently suggested they had brain damage from too many heavy metal concerts, and the suggestion got me thinking. A quick survey of my ...
15
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0answers
512 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. ...
14
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1answer
1k views

Do firstborns have a higher IQ?

I've seen number of articles telling about the fact that firstborns are more likely to have higher IQ than their sibilings. Sources: Research Finds Firstborns Gain the Higher I.Q., Study: Older ...
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2answers
11k views

Do Valkee bright light headsets reduce SAD symptoms?

This is old news in Finland by now, but I don't know if these products are well known elsewhere yet. The idea of Valkee headsets is bright light therapy with a twist—the light is channeled through ...
13
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2answers
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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, ...
13
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2answers
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Did Jason Padgett become a math genius after getting hit on the head?

There have been some news reports about a college dropout, Jason Padgett, becoming a math genius after getting hit on the head. Could this be true or how much of this could be true?
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1answer
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Is it dangerous to wake a sleepwalker?

Source It seems to be a common belief that you should never wake up a sleepwalker From Wikipedia - Sleepwalking: There are conflicting viewpoints on whether it is harmful to wake a sleepwalker....