How the immune system sculpts rat brains during development

Researchers have established that biological sex plays a role in determining an individual's risk of brain disorders. For example, boys are more likely to be diagnosed with behavioral conditions like autism or attention deficit ...

Medical research

Ultrasound exposure improves depressive behavior in rodents

It is well known that whole-body exposure to high frequency ultrasound increases brain activity in humans. However, little is known about its impact and associated mechanisms on emotional states like depression. Now, a team ...


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 ...

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