[sgroclkc (OP)]

For the same reason, the  spinning motion method is not effective for motion sickness caused by 3d video and low frequency noise.

[Bored chemist]

There are over 3 different types of motion sickness , each with their own causes, symptoms, and treatments

Occam disagrees with you.

[alancalverd]

Funnily enough I might agree that there are different mechanisms for inducing motion sickness, but in every case they involve a difference between two perceptions of motion.

The "cinema" effect is particularly interesting. Many people experience a "mechanical" sensation of falling when shown an immersive video from a plane flying over a cliff edge, a helicopter climbing  up a waterfall, or a rollercoaster. The optical and baroreceptor inputs are at variance and you can feel your abdominal muscles tighten as if for a vomit.

I think we can dismiss the centrifuge experiments, however. Flying in a constant tight turn or being whirled around in a centrifuge doesn't normally induce motion sickness if you are looking forward - the landscape is just moving at a constant speed but an unusual angle, and you just feel heavier. If you are flying in cloud or fog it's very difficult to tell whether you are turning at all unless you look at your gyro instruments. However looking directly downward at the landscape can be disturbing as the perceived view slightly forward of vertical is different from that slightly backward - it's easy to turn the wrong way to recover from a spin!

That said, frequent changes of attitude and bank angle does induce nausea unless you are prepared for it: vigorous flying in a two-seat glider is very uncomfortable for the navigator, so it's advisable to swap duties every couple of minutes, and sea sickness can often be quelled by taking the tiller: being able to anticipate or control the motion has a remarkably calming effect on the digestive system.

I think we can dismiss most forms of deafness as protective against motion sickness since the cochlea is quite separate from the balance organs, but serious damage to the connecting nerves might well result in an insensitivity to motion. 

[sgroclkc (OP)]

The first case of space motion sickness is now thought to be the Soviet cosmonaut Gherman Titov, in August 1961 onboard Vostok 2, who reported dizziness, nausea, and vomitingThe first severe cases were in early Apollo flights; Frank Borman on Apollo 8 and Rusty Schweickart on Apollo 9. Both experienced identifiable and quite unpleasant symptoms—in the latter case causing the mission plan to be modified.
It's not a coincidence that the astronauts of the United States and the Soviet Union suffered from motion sickness during their second space flight. This is because the engine power of the first space capsule that the astronauts of the two countries took was low, and the low-frequency noise produced was also low. Therefore, the astronauts of the two countries did not suffer from motion sickness.
During the second space flight, the engine power of the two countries' space capsule increased, and the corresponding low-frequency noise generated by the engine also increased. As a result, the astronauts of both countries suffered from motion sickness during the second space flight.

[Bored chemist]

the engine power of the first space capsule that the astronauts of the two countries took was low

No.
It was not.
Why do you post nonsense?

[sgroclkc (OP)]

Motion sickness experts said that they should study all the factors causing carsickness, seasickness and airsickness, but no motion sickness expert has studied the factors of low-frequency noise.The reason is that all motion sickness experts are unaware of the existence of low-frequency noise.
Therefore, motion sickness experts can never find the cause of  carsickness, seasickness and airsickness.
Therefore, in order to make achievements, motion sickness experts fabricated this amazing scientific scam.

[Bored chemist]

but no motion sickness expert has studied the factors of low-frequency noise.

Deaf people get seasick.
So we know noise isn't the cause.

[sgroclkc (OP)]

but no motion sickness expert has studied the factors of low-frequency noise.

Deaf people get seasick.
So we know noise isn't the cause.

You search Google with the keyword "Deaf people get seasick"
The unanimous conclusion is that deaf people do not get carsick or seasick.

[Bored chemist]

You search Google with the keyword "Deaf people get seasick"

And you get referred back to this thread.

This thread points out lots of clear reasons why you are wrong.

There's this
https://www.washingtonpost.com/news/retropolis/wp/2017/05/05/i-wanted-to-serve-these-deaf-men-helped-nasa-understand-motion-sickness-in-space/

which shows that people with knackered semi-circular canals don't get motion sick- because that's where the problem is caused.
But people with other forms of deafness (who clearly can't hear infrasound) do get motion sickness.

You can tell from the responses from deaf people who get travel sick , for example, here
https://www.quora.com/Can-a-deaf-person-get-carsickness

[sgroclkc (OP)]

You can tell from the responses from deaf people who get travel sick , for example, here
https://www.quora.com/Can-a-deaf-person-get-carsickness
[/quote]Anecdotal evidence is a factual claim relying only on personal observation, collected in a casual or non-systematic manner. The term is sometimes used in a legal context to describe certain kinds of testimony which are uncorroborated by objective, independent evidence such as notarized documentation, photographs, audio-visual recordings, etc.

When used in advertising or promotion of a product, service, or idea, anecdotal reports are often called a testimonial, which are highly regulated[1] in some jurisdictions.

When compared to other types of evidence, anecdotal evidence is generally regarded as limited in value due to a number of potential weaknesses, but may be considered within the scope of scientific method as some anecdotal evidence can be both empirical and verifiable, e.g. in the use of case studies in medicine. Other anecdotal evidence, however, does not qualify as scientific evidence, because its nature prevents it from being investigated by the scientific method. Where only one or a few anecdotes are presented, there is a larger chance that they may be unreliable due to cherry-picked or otherwise non-representative samples of typical cases.[2][3] Similarly, psychologists have found that due to cognitive bias people are more likely to remember notable or unusual examples rather than typical examples.[4] Thus, even when accurate, anecdotal evidence is not necessarily representative of a typical experience. Accurate determination of whether an anecdote is typical requires statistical evidence.[5] Misuse of anecdotal evidence is an informal fallacy[6] and is sometimes referred to as the "person who" fallacy ("I know a person who..."; "I know of a case where..." etc.) which places undue weight on experiences of close peers which may not be typical.https://en.m.wikipedia.org/wiki/Anecdotal_evidence

[Bored chemist]

Did you just call those deaf people liars?
(It's hardly credible that they are mistaken about motion sickness)
Or do you accept that they get travel-sick and that you are wrong.

You do realise that just one person is enough to kill your theory , don't you?

But, of course, we already knew that.
Nausea and nautical have the same linguistic roots.
The phenomenon of seasickness has been documented for centuries.
And so your claim that it's anything to do with engines is nonsense.


The real irony here is that all your silly claims ae anecdotal; they are just a story that you (and only you) tell.

[sgroclkc (OP)]

The phenomenon of seasickness has been documented for centuries.
And so your claim that it's anything to do with engines is nonsense.


The real irony here is that all your silly claims ae anecdotal; they are just a story that you (and only you) tell.
[/quote]
There are many reasons for low-frequency noise. The low-frequency noise of seasickness is caused by storm

[Bored chemist]

The low-frequency noise of seasickness is caused by storm

For some passengers, but not others?
Your idea does not make sense.

The real irony here is that all your silly claims ae anecdotal; they are just a story that you (and only you) tell.

[sgroclkc (OP)]

For the same reason, the  spinning motion method is not effective for motion sickness caused by 3d video and low frequency noise.

Therefore, in the article "The chair that stops you from vomiting in flight"
"If they make it through the chair, they should be able to fly," Shannon Scannon, a 359th AMDS aerospace and operational physiologist said.
Everything Shannon Scannon said was a lie.

[Bored chemist]

There are many reasons for low-frequency noise. The low-frequency noise of seasickness is caused by storm

The storm does not affect workers on oil rigs or lighthouses, because they stay still.
There is a reason why it is called "motion sickness".

Face it, your idea is wrong.

[Bored chemist]

Everything Shannon Scannon said was a lie.

If that was true, the military would have noticed by now and given up on using his technique.

However, that chair- where the person in it gets sick, but the doctor next to them (and thus exposed to the same sound) does not get sick- is further proof that you are wrong.

[sgroclkc (OP)]

Everything Shannon Scannon said was a lie.

If that was true, the military would have noticed by now and given up on using his technique.

However, that chair- where the person in it gets sick, but the doctor next to them (and thus exposed to the same sound) does not get sick- is further proof that you are wrong.

ballet dancers and figure skater over years of training like pilots suppress input from the vestibular system and the response to that input, so they don't experience motion sickness when spinning.But the incidence rate of ballet dancer's carsickness is the same as that of ordinary people.
For example in the article "pirouettes and motion sickness - Adult Ballet Students - Ballet Talk for Dancers" on the Internet :As an adult with over thirty years of dancing  I also have had issues with motion sickness, even when turning well.Because rotation and low-frequency noise are two different causes of motion sickness.

[Bored chemist]

ballet dancers and figure skater over years of training like pilots suppress input from the vestibular system

Thank you for confirming that the issue arises with the vestibular system.

For what it's worth, the ballet dancers' technique is well documented
https://en.wikipedia.org/wiki/Spotting_(dance_technique)
and it can't work for seasickness.
How would you learn to do this for a ship being tossed about by the waves?

[sgroclkc (OP)]

There are many reasons for low-frequency noise. The low-frequency noise of seasickness is caused by storm

The storm does not affect workers on oil rigs or lighthouses, because they stay still.
There is a reason why it is called "motion sickness".

Face it, your idea is wrong.

The reason why workers on oil rigs or lighthouses won't get carsick must be that the low-frequency noise is relatively small.

[Bored chemist]

There are many reasons for low-frequency noise. The low-frequency noise of seasickness is caused by storm

The storm does not affect workers on oil rigs or lighthouses, because they stay still.
There is a reason why it is called "motion sickness".

Face it, your idea is wrong.

The reason why workers on oil rigs or lighthouses won't get carsick must be that the low-frequency noise is relatively small.

That suggestion is silly.
It's going to be just the same as on a ship.
Low frequency sound travels very well through air.