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Welcome to the most important video you will ever watch because you have been lied to.
You’ve been lied to by your parents, your friends, your teachers, your government—this
web of lies goes so deep that even the president of Finland is involved.
You don’t have five senses, or, well, you do, but you just have more than five senses.
The idea that sight, sound, smell, taste, and touch are the only five ways that humans
perceive the world is a massive oversimplification… sort’ve like every single one of these videos.
Let’s try an example.
Close your eyes, take one of your arms, shake it around, then try to touch your nose.
Assuming you were successful, what you’ve just done, aside from looking massively stupid
if you’re in public, is proven that you don’t have just five senses because you
weren’t seeing your hand, you weren’t hearing it, weren’t smelling it, weren’t
feeling it, and hopefully weren’t tasting it, but you were able to know where your arm
was because you have another sense which is known as proprioception.
This is how you know where your limbs are and how you don’t trip over yourself all
the time even though you’re not looking at your feet.
This sense works thanks to a network of special nerves in your joints and on your muscles
known as proprioreceptors that tell your brain where your body is.
Now, I’m sure none of you faultless Half as Interesting viewers have ever been pulled
over by police, but if you hypothetically were, you might have been asked to close your
eyes and touch your nose as a test of your proprioceptive ability.
This is because alcohol consumption impairs this sense so it’s a good basic field sobriety
test.
The proprioceptive sense, or rather the lack of it, is also to thank for videos like this
and this.
Kids and teens tend to have lower proprioceptive abilities since their bodies are growing and
it takes time for the brain to adapt to the changing shape of the body.
This helps explain, once and for all, why kids just act like drunk adults.
The proprioceptive sense is quite cool because you might not have even realized you had it,
but there are other senses that you might not have even realized are senses.
For example, thermoception, which is not Inception’s very hot sequel, it’s our sense of temperature.
To demonstrate, take a ballpoint pen in one hand, make a fist with the other then gently
touch the skin between your knuckles.
Keep touching different spots between the knuckles and you should notice that for some
areas it will feel like the pen-tip is warm while for others it will feel cold.
Feel free to pause while you test this, but assuming you were successful, you’ve just
found the areas where your cold receptors and and the areas where your warm receptors
are since they’re not actually spread out evenly.
How our sense of temperature actually works is that we have receptors for cold which mostly
sense temperatures between 68 and 86 degrees Fahrenheit and then we have receptors for
warm which mostly sense temperatures between 86 and 104 degrees Fahrenheit.
Any temperature much below or above this range is actually sensed as pain which proves definitively
that no human was meant to live in Phoenix, Arizona.
Because this range is where we actually sense temperature differences rather than pain,
this is also why you can very clearly sense the difference between 70 and 90 degrees Fahrenheit
while the difference between -20 and 0 degrees Fahrenheit is barely noticeable.
Speaking of pain, pain is actually a completely different sense than touch triggered by a
mostly separate process.
Also a non-traditional sense is balance and then there are all the senses on the inside
of the body like hunger, then there are also senses that are entirely in the brain like
the perception of the passing of time, then there is also the sense that almost every
YouTube commenter lacks—the sense of humor.
The model of five senses is so old that we’re not even sure when it was first created.
Considering the sense of temperature literally dictates where most people live, maybe it’s
time to update this model… but what do I know.
I’m just some YouTuber.
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Oh, and you can open your eyes now.