Surgery

Factors associated with phantom odor identified

(HealthDay)—Phantom odor perception in middle-aged and older individuals is associated with poor health, persistent dry mouth, and head injury, according to a study published online Aug. 16 in JAMA Otolaryngology-Head & ...

Neuroscience

Early odor exposure enhances response of smell cells

Mice exposed to scents of mint or fresh cut grass before and shortly after birth show increased responses in a specific population of odor-processing neurons to a variety of odors, according to new research published in eNeuro. ...

Neuroscience

Close or far, how smell tells us it's popcorn

People know a smell is popcorn whether it is cooking down the hallway or held right under their noses. Yale researchers Douglas Storace and Lawrence Cohen in the Department of Cellular and Molecular Physiology have found ...

Alzheimer's disease & dementia

Poor odor identification may be early warning for dementia

Poor performance on a simple odor identification test was associated with a significantly increased risk of developing dementia years later, in a study of more than 2,400 older black and white adults led by Kristine Yaffe, ...

Neuroscience

A 'time switch' in the brain improves sense of smell

When the brain processes olfactory stimuli, it differentiates between similar smells using subtly modulated signals. Brain examinations and behavioral studies in mice have now shown that neurons with inhibiting characteristics ...

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