olfaction

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olfaction

·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.

Artificial Intelligence Deep Learning Featured Machine Learning Neuroscience

·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.

Featured Neuroscience

·October 3, 2021·4 min read

Fruit Flies React to Smells While Asleep

Study reveals how the drosophila brain subconsciously processes salient information, such as odors, that require interpretation while asleep.

Electrophysiology Featured Neuroscience

·September 22, 2021·4 min read

Sniffing Out How Associative Memories Are Formed

Dopamine-controlled fan cells in the lateral entorhinal cortex are required for the formation of associative memories.

This shows a woman smelling flowers in a garden

Featured Neuroscience

·September 17, 2021·3 min read

How Scents Take On Meaning

The olfactory system works in combination with the brain's reward and aversion systems in both learning and memory formation.

Featured Neuroscience Neuroscience Videos Open Neuroscience Articles

·August 20, 2021·4 min read

Smells and Emotions Tug on the Brain’s Habenula

The habenula relays external information, such as sight and smell, along with internal states associated with emotion and learning to brain regions that govern adaptive behaviors.

Featured Neuroscience Open Neuroscience Articles Psychology

·July 30, 2021·3 min read

Olfactory Sensitivity Show Postpartum Depression is Different to Major Depression

Women with postpartum depression report normal olfactory sensitivity, while those who are genetically predisposed to major depressive disorder have decreased olfactory sensitivity.

Featured Neuroscience

·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

·May 11, 2021·4 min read

This Stinks: New Research Finds Sense of Smell and Pneumonia Linked

People with a poor sense of smell are 50% more likely to be hospitalized for pneumonia than those with a good sense of smell.

Featured Neuroscience

·April 24, 2021·5 min read

Why Does Food Smell so Good When We’re Hungry?

A study of hungry mice sheds new light on the neurobiology of olfaction and food attraction. Researchers identified a pathway that promotes attraction to food odors over other olfactory cues.