olfactory system

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olfactory system

·August 5, 2022·5 min read

COVID-19 Infection in Crucial Brain Regions May Lead To Accelerated Brain Aging

The effects of COVID-19 infection on neurological health are becoming more apparent. A new study reveals COVID-19 can predispose people to irreversible neurological conditions, accelerate brain aging, and increase the risk of stroke and brain bleeds.

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·July 28, 2022·6 min read

Rapid Loss of Smell Predicts Dementia and Smaller Brain Areas Linked to Alzheimer’s

Smell loss in older individuals not only can predict cognitive decline, but it can also foretell structural changes in brain structures linked to Alzheimer's disease, a new study reports.

This shows olfactory neurons in a mouse nasal cavity

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·May 30, 2022·5 min read

Olfactory Neurons Adapt to the Surrounding Environment

Study reveals how olfactory neurons adapt to the surrounding environment.

This diagram shows how inflammation occurs in the nasal passage

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·April 11, 2022·6 min read

Inflammation Caused by COVID-19, Rather Than the Virus Itself, May Lead To Loss of Smell

Anosmia, the loss of the sense of smell which is a common symptom of COVID-19, may be a secondary consequence of immune system inflammation rather than a direct action of the virus.

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·April 4, 2022·3 min read

The Brain Processes Smell Both Like a Painting and a Symphony

Centrifugal fibers which carry impulses from parts of the central nervous system to early sensory regions of the brain play a critical role in olfactory processing.

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·March 13, 2022·5 min read

Even Mild COVID Can Cause Brain Shrinkage and Affect Mental Function

Even mild COVID-19 infection can lead to cognitive alterations and brain shrinkage, researchers report. The findings could help explain the brain changes that contribute to long-COVID.

This shows a woman in a facemask holding a flower

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·February 2, 2022·5 min read

Mechanism Behind Loss of Smell With COVID-19 Revealed

Infection with the SARS_CoV-2 virus causes dials down the action of olfactory receptors, resulting in smell loss associated with COVID-19.

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·December 22, 2021·5 min read

Neurons in the Olfactory Cortex Link Smells to Places

Neurons in the primary olfactory cortex play a role in encoding spatial maps, a new study reports.

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·October 26, 2021·3 min read

Does Parkinson’s Start in the Nose?

A majority of Parkinson's patients report a diminished sense of smell, which starts to occur a number of years before the onset of other symptoms. Researchers are exploring whether scent-processing neurons which connect the nose to the brain may play a role in the development of Parkinson's disease.

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·October 19, 2021·6 min read

Artificial Networks Learn to Smell Like the Brain

A new machine-learning algorithm is able to teach itself to smell within a few minutes of training. As it learns, the system builds an artificial network that mimics the brain's olfactory system.

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·May 17, 2021·5 min read

Insulin Is Necessary For Repairing Olfactory Neurons

Following injury or damage, insulin plays a key role in the maturation and regeneration of immature olfactory sensory neurons.

Featured Neurology Neuroscience

·February 25, 2021·2 min read

How Amyloid Beta Contributes to Loss of Smell in Alzheimer’s Disease

Regions of the olfactory system in mice with higher amyloid beta expression exhibited lower activation of olfactory sensory neurons and decreased odor detection.

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