Dartmouth College

Neuroscience

A neuron that tracks landmarks helps rats know where they are

Visual landmarks enable an animal to know where it is oriented in relation to its environment. Dartmouth researchers have identified a new type of neuron in the rat brain, which appears to help facilitate this type of visual ...

Diseases, Conditions, Syndromes

Can neonatal herpes lead to Alzheimer's disease?

"We've learned a lot during the course of the COVID-19 pandemic … how a virus can affect our behavior," Dartmouth University MD and Ph.D. candidate Abigail Dutton says in a short video that recently won second place in ...

Psychology & Psychiatry

Your perception of self becomes blurrier over time

When you look at two objects close to you such as two leaves, it's easy to tell them apart but when they are farther away from you, they become difficult to distinguish. The two objects become "compressed," a basic principle ...

Neuroscience

Fractal brain networks support complex thought

Understanding how the human brain produces complex thought is daunting given its intricacy and scale. The brain contains approximately 100 billion neurons that coordinate activity through 100 trillion connections, and those ...

Psychology & Psychiatry

How do we know where things are?

Our eyes move three times per second. Every time we move our eyes, the world in front of us flies across the retina at the back of our eyes, dramatically shifting the image the eyes send to the brain; yet, as far as we can ...

Neuroscience

Neuroscience doesn't undermine free will after all

For decades, researchers have debated whether the buildup of certain electrical activities in the brain indicates that human beings are unable to act out of free will.

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