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Breaking down the brain for everyone to understand

Sweet but not innocent: Artificial sweeteners and brain health

A recent study suggests artificial sweeteners are associated with a faster cognitive decline. How might that be happening?

September 30, 2025
To pee or not to pee: How the brain controls the bladder

That urge to pee? It’s not so simple. Behind it is a complex brain-bladder conversation that decides when to hold and when to go.

September 23, 2025
Going viral: How scientists use viruses in research every day

Viruses are experts at getting new DNA into cells. Every day, neuroscientists take advantage of this ability to help us understand the brain.

September 16, 2025
Eye movements: A window into cognition, disease, and individuality

Did you know that our eyes spontaneously move about 3 – 5 times per second? These eye movements, while seemingly simple and mostly unconscious, can tell us a lot about how our brains work. In this PNK post, we’ll dig into the fascinating world of eye movements!

September 9, 2025
Two sides of the matter: The human brain may be symmetric in form, but not in function

Even though it is a myth that people are either “left-brained” or “right-brained,” certain complex functions, such as spoken language, are primarily found on one side of the human brain. How and why does the brain pick a side for these functions?

September 2, 2025
Counting sheep: How should we fall asleep?

Have you ever wondered why some people need total silence and darkness to fall asleep, while others prefer to listen to white noise or watch their favorite TV show? Is there a “best” way to fall asleep?

August 26, 2025

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PennNeuroKnow

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