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PENN neuroknow

Breaking down the brain for everyone to understand

Cutting through the “noise”

Learn about 1/f, the static that’s anything but random

November 22, 2022
Why do we get the hiccups?

… and other brain reflexes that we may have inherited from our distant ancestors.

November 15, 2022
Octopus: the animal that keeps itself company

The fox’s nine tails and the cat’s nine lives are mythical. What about the octopus’s nine brains?

November 8, 2022
The lies our eyes tell us

What we think we see isn’t always what’s really in front of us. Scientists use optical illusions to demonstrate how our brains use quick tricks to shape how we see the world.

November 1, 2022
You are what you eat: Exploring fecal microbiota transplant

Microbes in our gut (and our poop) can impact our brain and our behavior. Could we treat brain diseases and disorders by swapping “unhealthy” microbes for “healthy” ones?

October 25, 2022
The placebo effect and pain relief

For a patient experiencing pain, the belief that a pain treatment will work can be enough to reduce their pain.

October 18, 2022
Much ado about microglia

Microglia are the brain’s immune cells, but what do they do when they’re not hunting down foreign bacteria or munching on debris in the brain? Can they even influence how you sleep?

October 11, 2022
How are neurons categorized?

There are 100 billion neurons in the human brain. How can we possibly categorize all of them, and why is it important?

October 4, 2022
What we can learn from the fly on the wall

They might be small, but fruit fly research has led to wide-reaching discoveries in science and six Nobel Prizes!

September 27, 2022

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