What color is a tree, or the sky, or a sunset? At first glance, the answers seem obvious. But it turns out there is plenty of variation in how people see the world — both between individuals and ...

This story is part of a series exploring human anatomy and physiology complexities. Each story in this collection showcases discoveries reshaping our understanding of the body's inner workings, ...

As an extension of the central nervous system, the eyes share an anatomical connection with the brain that is key to an animal’s ability to see. Besides the visual connection, both the brain and the ...

Researchers explored a strong link between brain activity and eye blinking.Eye blinking is something like breathing, which ...

A discovery about how some visually impaired adults could start to see offers a new vision of the brain's possibilities. The adult brain has the potential to partially recover from inherited blindness ...

When one eye is deprived of vision early in life, it can lead to amblyopia, a condition more commonly known as lazy eye. This happens because a lack of input disrupts synapse formation in the brain's ...

Your eyes might be the window to your future brain health, and what researchers are discovering could change how we detect Alzheimer’s disease forever. Long before memory problems become noticeable, ...

A new study provides the best evidence to date that the connection patterns between various parts of the human brain can tell scientists the specialized functions of each region. Previous research has ...

What Is a Dominant Eye (Ocular Dominance)? A dominant eye is the eye your brain “favors.” Just like you rely on one hand more than the other, your brain relies on one eye more than the other. When you ...

Ever had one of those days when your brain feels like it’s running on fumes? Your thoughts are foggy, your concentration is shot, and your mind keeps spinning in unproductive circles. Traditional ...

Cohen visited her in the hospital days after her surgery. “To my delight, I walked into the room of this young 8-year-old ...

Brian Bussard has 25 tiny chips in his brain. They were installed in February 2022 as part of a study testing a wireless device designed to produce rudimentary vision in blind people. Bussard is the ...