Your brain paralyzes nearly every muscle in your body during REM sleep. It leaves three exceptions: the diaphragm so you keep breathing, the inner ear, and the six muscles that move each eye.
That last exception is where it gets weird.
In 2015, a team at UCLA and Tel Aviv put intracranial electrodes into 19 epilepsy patients preparing for surgery and recorded 2,057 individual neurons across the medial temporal lobe. These are the cells that fire when you see a specific face or place. Jennifer Aniston neurons. Eiffel Tower neurons. The researchers had already mapped which neuron responded to which image while the patients were awake.
Then they waited for REM sleep.
Every time the patient's closed eyes darted, those same neurons fired in a burst that looked identical to the signature they produced when a new image was shown during wakefulness. The brain was behaving as if an image had just been presented. Except nobody showed it anything. The image was internal.
A 2018 follow-up went further. Lucid dreamers were asked to track a moving object inside their dream. When you imagine a moving object while awake, your eyes jerk in saccades because imagination cannot produce smooth pursuit. But in the dream, their eyes followed the object in smooth, continuous pursuit. The neural circuitry for tracking real motion was being driven by something that had no retinal input at all.
The scanning hypothesis is that your eyes trace the same saccade paths they would use to look at a real scene, pulling the visual information back out the way it was filed in. The dream is running on the same machinery as vision.
What the MRI captures is the only part of your body the brain refuses to shut off while it watches.
“I just woke up from sleep and everyone in my family is shouting and frustr@ted. Please Nigerians, my dad is a bachelor’s degree holder and he can teach very well. We need help, he has been jobless for 15 years, and where he was managing has shut down. Because of this, the whole family is frustr@ted.”😢💔
— A young Nigerian lady cr!es out, seeking a job for her father.
Levi’s Old-School Jeans Had One Painful Flaw…
Back in 1873, Levi’s added copper rivets to their jeans for American miners and cowboys so the pockets wouldn’t rip from heavy tools and rocks.
One of those rivets was right in the crotch. Brilliant for durability… until cowboys squatted by the campfire.
That metal rivet turned into a red-hot branding iron in the worst possible place.
They kept it for 70 years anyway — until WWII metal rationing finally gave them the perfect excuse to quietly remove it in 1941.
Years later, Levi’s even poked fun at themselves with a hilarious self-deprecating ad campaign about the infamous crotch rivet.
Only in America 🇺🇸
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