A guy with a twisted sense of humor explains how your brain is quicker to judge than your eyes
You know that saying "You never get a second chance to make a first impression?"

Who's more trustworthy?
William Haynes wants to talk to you about your brain.
He's a comedian for SourceFed, and he's got kind of a strange, dark sense of humor.
So when he was invited to host an episode of Discovery's "DNews" about the science of first impressions, we knew it was going to be awesome.
Here's what he had to say.
Your brain can decide how trustworthy a person is just by getting a split-second look at their face.

That’s pretty cool... and scary.
via DNews/YouTube
GIFs from "DNews."
Researchers, in a study published in the Journal of Neuroscience, found that our brains help us form all kinds of spontaneous judgments of people that we may not even be aware of, including whether we can trust them.
It's all thanks to the amygdala, the walnut-shaped area of the brain that helps us process strong emotions.

Are we programmed to react without knowing it?
via DNews/YouTube
In the study, two groups of participants were analyzed. The first group was asked to rate how much they trusted certain people by looking at their faces while the researchers measured activity in the amygdala. Simple enough.
The second group was asked to lay inside an MRI machine while faces flashed on a screen in front of them. But here's the catch: The faces appeared and disappeared so quickly that the people in this group couldn't even really see them.
Here's what the study found.
Regardless of whether you get a long look at someone's face or only a glance, your amygdala lights up like crazy.
What's even cooler is that participants in the study pretty much agreed on which faces were trustworthy and which ones weren't.
There were certain traits that stood out as shady, like furrowed eyebrows and shallow cheekbones, in particular.

What is the science behind a first impression?
via DNews/YouTube
This only begins to scratch the surface of the super-awesome science behind first impressions.
Did you know that a person's voice can have a similar effect on perception, even in small doses?
After testing a group of 64 people, researchers in Scotland found that participants were consistently able to agree on which personality traits corresponded to which voices they heard — based solely on hearing them speak the word "hello."
The biggest remaining question is whether these snap judgments have a measurable impact on our behavior.
A study by Nalini Ambady and Robert Rosenthal found something pretty interesting.
According to Lifehacker, the two compared "the ratings given to college professors by classes at the end of the semester with ratings that another group of students gave the same professors based only on three ten-second silent video clips shown prior to any actual lectures."
The two groups mostly agreed on how much they liked the professors, indicating that, just maybe, first impressions really do matter.
Watch the full episode of "DNews" to learn more about cool brain stuff and catch William Haynes' killer one-liners below:
This article originally appeared on 10.18.14
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An Irish woman went to the doctor for a routine eye exam. She left with bright neon green eyes.
It's not easy seeing green.
Did she get superpowers?
Going to the eye doctor can be a hassle and a pain. It's not just the routine issues and inconveniences that come along when making a doctor appointment, but sometimes the various devices being used to check your eyes' health feel invasive and uncomfortable. But at least at the end of the appointment, most of us don't look like we're turning into The Incredible Hulk. That wasn't the case for one Irish woman.
Photographer Margerita B. Wargola was just going in for a routine eye exam at the hospital but ended up leaving with her eyes a shocking, bright neon green.
At the doctor's office, the nurse practitioner was prepping Wargola for a test with a machine that Wargola had experienced before. Before the test started, Wargola presumed the nurse had dropped some saline into her eyes, as they were feeling dry. After she blinked, everything went yellow.
Wargola and the nurse initially panicked. Neither knew what was going on as Wargola suddenly had yellow vision and radioactive-looking green eyes. After the initial shock, both realized the issue: the nurse forgot to ask Wargola to remove her contact lenses before putting contrast drops in her eyes for the exam. Wargola and the nurse quickly removed the lenses from her eyes and washed them thoroughly with saline. Fortunately, Wargola's eyes were unharmed. Unfortunately, her contacts were permanently stained and she didn't bring a spare pair.
- YouTube youtube.com
Since she has poor vision, Wargola was forced to drive herself home after the eye exam wearing the neon-green contact lenses that make her look like a member of the Green Lantern Corps. She couldn't help but laugh at her predicament and recorded a video explaining it all on social media. Since then, her video has sparked a couple Reddit threads and collected a bunch of comments on Instagram:
“But the REAL question is: do you now have X-Ray vision?”
“You can just say you're a superhero.”
“I would make a few stops on the way home just to freak some people out!”
“I would have lived it up! Grab a coffee, do grocery shopping, walk around a shopping center.”
“This one would pair well with that girl who ate something with turmeric with her invisalign on and walked around Paris smiling at people with seemingly BRIGHT YELLOW TEETH.”
“I would save those for fancy special occasions! WOW!”
“Every time I'd stop I'd turn slowly and stare at the person in the car next to me.”
“Keep them. Tell people what to do. They’ll do your bidding.”
In a follow-up Instagram video, Wargola showed her followers that she was safe at home with normal eyes, showing that the damaged contact lenses were so stained that they turned the saline solution in her contacts case into a bright Gatorade yellow. She wasn't mad at the nurse and, in fact, plans on keeping the lenses to wear on St. Patrick's Day or some other special occasion.
While no harm was done and a good laugh was had, it's still best for doctors, nurses, and patients alike to double-check and ask or tell if contact lenses are being worn before each eye test. If not, there might be more than ultra-green eyes to worry about.