Neuroscience

From genes to receptors to perception: olfaction unraveled

Several years ago the internet was captivated by the enigma of "the dress—specifically, was the dress black and blue, or was it white and gold? No matter what you saw, the viral debate served to highlight that humans differ ...

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

Worms learn to smell danger

Worms can learn. And the ways they learn and respond to danger could lead scientists to new treatments for people with neurodegenerative diseases.

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 ...

Psychology & Psychiatry

Pleasant smells increase facial attractiveness

New research from the Monell Chemical Senses Center reveals that women's faces are rated as more attractive in the presence of pleasant odors. In contrast, odor pleasantness had less effect on the evaluation of age. The findings ...

Neuroscience

Locusts reveal how neurons distinguish multiple odors

(Medical Xpress)—Our sense of smell is often the first response to environmental stimuli. Odors trigger neurons in the brain that alert us to take action. However, there is often more than one odor in the environment, such ...

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