medicine

A Brain Chemical Helps Neurons Know When to Start a Movement

A Brain Chemical Helps Neurons Know When to Start a Movement

By washing through the brain, neuromodulators “allow you to govern the excitability of a large region of the brain more or less in the same way or at the same time,” said Eve Marder, a neuroscientist at Brandeis University widely recognized for her pioneering studies on neuromodulators in the late 1980s. “You’re basically creating either …

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This Blood Test Detects Cancer in Dogs.  But Do You Want to Know?

This Blood Test Detects Cancer in Dogs. But Do You Want to Know?

This algorithm has been designed to spot these genetic indicators across many dog ​​breeds with different forms of cancer: say, a bloodhound with lymphoma or a golden retriever with hemangiosarcoma. When the PetDx team began their study, they used blood from 224 of the dogs—ones known to either have cancer or not—to refine their algorithm. …

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