Medical research

Seeing how odor is processed in the brain

A specially created odor delivery device, along with machine learning-based analysis of a scalp-recorded electroencephalogram, has enabled researchers at the University of Tokyo to see when and where odors are processed in ...

Genetics

Olfactory neurons adapt to the surrounding environment

Olfactory receptors, present on the surface of sensory neurons in the nasal cavity, recognize odorant molecules and relay this information to the brain. How do these neurons manage to detect a large variability of signals ...

Parkinson's & Movement disorders

'E-nose' could someday diagnose Parkinson's disease by 'smelling' skin

A couple of years ago, a woman named Joy Milne made headlines when scientists discovered that she could "smell" Parkinson's disease (PD) on people with the neurodegenerative disorder. Since then, researchers have been trying ...

Neuroscience

Olfactory processing in three distinct neural waves

Neural waves of three distinct registers combine to give the brain a picture of what's being smelled, according to a Northwestern Medicine study published in PLOS Biology.

Diseases, Conditions, Syndromes

How one of the oldest natural insecticides keeps mosquitoes away

With mosquito season upon us, people are stocking up on repellents to prevent itchy bites. Bug repellents are important because they don't just protect against the buzzing, blood-sucking little pests—they also safeguard ...

Medical research

The neurobiology of food attraction

Animals use their sense of smell to navigate the world—to find food, sniff out mates and smell danger. But when a hungry animal smells food and a member of the opposite sex at the same time, what makes dinner the more attractive ...

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