Psychology & Psychiatry

The human sense of smell: It's stronger than we think

When it comes to our sense of smell, we have been led to believe that animals win out over humans: No way can we compete with dogs and rodents, some of the best sniffers in the animal kingdom.

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 ...

Neuroscience

Stinky or fragrant? Predicting changing odor preferences

Pleasant and unpleasant odors are a part of everyone's life, but how do our reactions to smells change when other odors are present? To answer this question, researchers at the RIKEN Brain Science Institute in Japan have ...

Psychology & Psychiatry

Witnesses can catch criminals by smell

Move over sniffer dogs, people who witnessed a crime are able to identify criminals by their smell. Police lineups normally rely on sight, but nose-witnesses can be just as reliable as eye-witnesses, new research published ...

Neuroscience

Key regulatory role for mysterious olfaction molecule OMP

New research from the Monell Center reveals that olfactory marker protein (OMP), a molecule found in the cells that detect odor molecules, plays a key role in regulating the speed and transmission of odor information to the ...

Alzheimer's disease & dementia

Odor biomarker for Alzheimer's disease

A new study from the Monell Center, the U.S. Department of Agriculture (USDA), and collaborating institutions reports a uniquely identifiable odor signature from mouse models of Alzheimer's disease. The odor signature appears ...

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