Neuroscience

New neurons in the adult brain are involved in sensory learning

Although we have known for several years that the adult brain can produce new neurons, many questions about the properties conferred by these adult-born neurons were left unanswered. What advantages could they offer that ...

Neuroscience

How odours are turned into long-term memories

The neuroscientists Dr. Christina Strauch and Prof Dr. Denise Manahan-Vaughan from the Ruhr-Universität Bochum have investigated which brain area is responsible for storing odours as long-term memories. Some odours can trigger ...

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.

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