June 20 -- THURSDAY, June 19 (HealthDay News) -- The olfactory bulb in the brain -- the brain's "smell center" -- may change in size as a person's sense of smell changes, a German study reports. In ...

Problems with olfaction are one of the earliest symptoms of Parkinson’s disease—yet more attention is paid to its motor issues. Now, researchers are looking closer at the human olfactory bulb to ...

A brain with a normal olfactory bulb on the left and a brain lacking the bulb on the right. Weizmann Institute of Science The way we perceive the world around us is super complex, but researchers seem ...

Researchers at the National Institute of Neurological Disorders and Stroke (NINDS), a part of the National Institutes of Health, have identified a specific, front-line defense that limits the ...

Some people may be able to smell even without key structures that relay odor information from the nose to the brain. “I’m not sure that our textbook view of how the [olfactory] system works is right,” ...

The olfactory bulb (OB) is a critical component of mammalian olfactory neuroanatomy. Beyond being the first and sole relay station for olfactory information to the rest of the brain, it also contains ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 107, No. 35 (August 31, 2010), pp. 15613-15618 (6 pages) Little is known about how normal aging affects the brian.

Proceedings of the National Academy of Sciences of the United States of America, Vol. 118, No. 42 (October 19, 2021), pp. 1-12 (12 pages) Determining the valence of an odor to guide rapid ...

A recent study in Nature now shows that the main olfactory bulb contains a particular zone required for innate odor aversion, indicating that olfactory receptors have behavioral as well as chemical ...

Viruses can inflame and disrupt connections between the olfactory system, which governs the sense of smell, and the part of the brain associated with memory and learning, possibly accelerating the ...