Neuroscience

What's that smell? The advantage of sniffing

Researchers led by Takeshi Imai at the RIKEN Center for Developmental Biology (CDB) have discovered how the physical and sensory perceptions associated with sniffing are kept separate and why sniffing can help identify odors, ...

Medical research

When the nose doesn't know: Can loss of smell be repaired?

Researchers at Tufts University School of Medicine, led by Dr. James E. Schwob, are examining the behavior of adult stem cells within the context of aging and, specifically, the sense of smell. As part of the normal aging ...

Neuroscience

The vibrational theory of olfaction for the win

(Medical Xpress)—As occurred in the painstaking deciphering of Egyptian hieroglyphs, adherence to outmoded ideas is a lasting impediment to our understanding of how odorants are decoded by the olfactory system. The primary ...

Psychology & Psychiatry

Emotional reactions to odors

Do you express your emotions? Are you able to name them, talk about them, relate to your feelings? If your answer is not an unqualified yes, you might be among the 10 percent of the healthy population who has difficulty processing ...

Neuroscience

Elderly who have trouble identifying odors face risk of dementia

A long-term study of nearly 3,000 adults, aged 57 to 85, found that those who could not identify at least four out of five common odors were more than twice as likely as those with a normal sense of smell to develop dementia ...

Alzheimer's disease & dementia

Findings could lead to early diagnosis of Alzheimer's

Korean researchers have identified the cause of olfactory dysfunction in the early stage of Alzheimer's diseases. It is expected to be used in early diagnosis of Alzheimer's disease and therapeutic research.

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. ...

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