#138: 👀 The Science Behind That Creepy Feeling of Being Watched
How your brain detects stares with surgical precision
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💬 In this note:
👀 The Science Behind That Creepy Feeling of Being Watched
📚 Who Not How
⚡️ Mitochondria: The Powerhouse of the Cell
#138: 👀 The Science Behind That Creepy Feeling of Being Watched

You're completely absorbed in scrolling on your phone.
When suddenly, that unmistakable creepy, prickly sensation hits you.
Someone's watching you.
Without even thinking, you look up and find the person staring at you.
Whether it's a friend trying to get your attention or a stranger being a little too obvious with their people-watching, that feeling seems almost supernatural.
It’s like you have a sixth sense for detecting when eyes are on you.
Turns out, this isn't just in your head.
(Well, technically it is, but you know what I mean).
This eerie ability is actually a crucial evolutionary adaptation that helped keep our ancestors alive.
Gaze Detection
The scientific name for this phenomenon is "gaze detection" or "gaze perception," and it's way more sophisticated than you might think.
Neurological studies have discovered that the brain cells responsible for this phenomenon are incredibly precise.
We're talking surgical-level accuracy here.
If someone shifts their gaze away from you by just a few degrees to the left or right, that eerie feeling vanishes almost instantly.
Your brain knows the difference between being looked at versus being looked near.
Scientists believe a complex neural network is behind this detection system, though the exact circuits in humans are not yet known.
However, researchers studying macaque monkeys have identified the specific neurological pathways and even individual cells responsible for their gaze detection abilities.
What we do know about humans is that ten distinct brain regions are involved in processing sight, and there could be even more.
The visual cortex (that large area at the back of your brain) does most of the heavy lifting, but other areas like the amygdala, your brain's threat detector, also play a crucial role in gaze detection.
Why Human Eyes Are Different
Human eyes are actually designed differently from most other animals, and it's all about social communication.
The white part of your eye surrounding the pupil is called the sclera, and ours is much larger than most other species.
Most animals have pupils that take up most of their eye space.
This is a survival strategy that helps obscure their gaze direction from predators.
But humans? We went in the opposite direction.
Our large sclera makes it easy to notice exactly where someone else is looking.
We evolved a built-in social radar system.
This makes sense because humans are incredibly cooperative and social creatures.
We have depended on each other for survival throughout our evolutionary history.
When another person changes where they're looking, we automatically follow their gaze.
It's more than just being naturally alert to environmental changes (though that's part of it). It's about our deep-rooted need to stay connected and aware of our social group.
The Peripheral Vision’s Superpower
You don't need to be looking directly at someone to tell if they're staring at you.
Your peripheral vision is constantly scanning for social cues.
But this method is much less accurate than direct observation.
Research shows that we can only reliably detect whether someone is staring at us within about four degrees of our "central fixation point", a pretty narrow cone of accurate detection.
So what about when we feel someone staring at us from behind?
According to a 2013 study published in the journal Current Biology, humans are hardwired to think that someone is staring at us when we can’t see them, even if we have no evidence to suggest so.
In this case, there's a psychological component to consider: confirmation bias.
We tend to remember the times we turned around and caught someone staring (or at least appearing to stare), but we forget all those times we turned around and no one was looking.
Nonetheless, that creepy feeling of being watched isn't just paranoia, it's a sophisticated survival mechanism.
So the next time you get that “I feel like someone’s watching me” feeling, remember, your brain is running a complex analysis using millions of years of evolutionary programming to keep you safe and socially aware.
Pretty cool.
Check out this short YouTube video about this phenomenon.
📚 Book of the Week
Who Not How: The Formula to Achieve Bigger Goals Through Accelerating Teamwork
by Dan Sullivan and Dr. Benjamin Hardy
Rating: ★★★★★
This is a must-read for entrepreneurs.
For years I operated under the "how" mindset that is so ingrained in our society. When faced with ambitious projects at my first company, my default response was always: "How can I do this myself?" This led to countless late nights, overwhelming stress, and ultimately, slower progress toward my goals.
Then I discovered Who Not How by Dan Sullivan and Dr. Benjamin Hardy.
They preach that instead of asking yourself, "How will I achieve this goal?", you just need to ask yourself, "Who will help me achieve this goal?"
This seemingly simple shift in thinking opened up possibilities I never imagined.
When you're stuck in the "How" mindset, your future is tied to everything you can accomplish as an individual. But once you understand that you can find "Who" to accomplish your "How" your future impact becomes exponential.
What I love most about this book is how practical it is. Sullivan and Hardy don't just present a theory, they provide the reader with frameworks like the "Impact Filter" to help you clarify your vision before seeking the right "Whos" to execute it.
If you're an entrepreneur, leader, or anyone with ambitious goals, this book will show you how to build incredible burnout-free businesses and achieve guilt-free personal freedom.
It's a mindset shift that turns limitations into possibilities and isolation into collaboration.
This was a reader recommendation by Sammy. Thanks Sammy!
⚡️ Check This Out
Source: Mitochondria Illustration via iStock/Getty Images
Scientists discovered a cellular mechanism to protect and repair mitochondria.
We all remember the mitochondria.
The powerhouse of the cell.
Well, we have some breaking news about the mitochondria!
A new collaborative study published in Science Advances uncovered a sophisticated cleanup system that literally throws out damaged mitochondrial DNA before it can cause problems.
When mitochondrial DNA (mtDNA) gets damaged, which happens naturally as we age, it's linked to some pretty serious conditions.
We're talking Parkinson's, Alzheimer's, ALS, cardiovascular disease, type 2 diabetes, and accelerated aging. Basically, all the things we're trying to avoid as we optimize for healthspan.
Your cells aren't just sitting there letting this damage accumulate.
They have a built-in recycling system that's absolutely fascinating.
The researchers discovered that when mtDNA becomes damaged, cells activate their "specialized recycling pathway."
This involves the retromer protein complex working together with lysosomes.
Lysosomes are your cell's garbage disposal units.
This process effectively eliminates faulty mitochondrial DNA before it can build up and cause problems.
The star of this show is a protein called VPS35.
When the research team enhanced VPS35 activity in fruit flies (and yes, fruit fly research often translates beautifully to humans), they saw improved mitochondrial function and more efficient clearing of damaged mtDNA.
The research team confirmed these findings in human cells too.
This discovery doesn't just help us understand how mitochondrial damage contributes to neurological and metabolic disorders - it points toward future therapeutic strategies.
By enhancing our cells' natural recycling systems, we might be able to mitigate disease progression and promote healthier aging.
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