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 ...

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,” ...

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 ...

Our sense of smell depends on the transmission of olfactory information from the nose to the olfactory bulb in the brain through the olfactory nerve. And without olfactory bulbs, smell isn't possible- ...

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.

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 ...

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 ...

Microplastics were found in the olfactory bulbs of eight of 15 human brains at autopsy. A total of 16 different synthetic polymer particles and fibers were identified in olfactory bulbs. The olfactory ...

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 ...

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 ...