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olfactory system

This diagram shows how inflammation occurs in the nasal passage

·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.

Featured Neurology Neuroscience

·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

Featured Neuroscience

·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.

Featured Neurology Neuroscience

·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.

Featured Neuroscience

·February 11, 2021·5 min read

Scent Detection Dogs Can Identify Individuals Infected With COVID-19

Trained scent detection dogs are able to detect organic compounds associated with COVID-19 in patients. Researchers report the dogs are better at detecting coronavirus infection than standard tests.

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·November 25, 2020·3 min read

Exercise Motivation Could Be Linked to Certain Smells

Study finds olfaction plays a significant role in the motivation to exercise. Mice who were "high runners" developed genetic differences in their olfactory systems that caused them to perceive smells differently than more sedentary mice.

Featured Neuroscience Open Neuroscience Articles

·September 29, 2020·5 min read

Repeated Pregnancy Loss May Be Tied to the Olfactory System

Women who experience unexplained repeated pregnancy loss (uRPL) process olfactory signals related to male body odor differently to other women. Those who experience uRPL are better able to identify the smell of their spouse.

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olfactory system

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

The Brain Processes Smell Both Like a Painting and a Symphony

Even Mild COVID Can Cause Brain Shrinkage and Affect Mental Function

Mechanism Behind Loss of Smell With COVID-19 Revealed

Neurons in the Olfactory Cortex Link Smells to Places

Does Parkinson’s Start in the Nose?

Artificial Networks Learn to Smell Like the Brain

Insulin Is Necessary For Repairing Olfactory Neurons

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

Scent Detection Dogs Can Identify Individuals Infected With COVID-19

Exercise Motivation Could Be Linked to Certain Smells

Repeated Pregnancy Loss May Be Tied to the Olfactory System

Taming Tumor Chaos: Researchers Uncover Key to Improving Glioblastoma Treatment

Hippocampus Predicts Rewards by Reorganizing Memories

Memory Rewritten: Study Finds No Clear Line Between Episodic and Semantic Retrieval

Brain Stimulation Method Can Evaluate Consciousness in Alzheimer’s Disease

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