Columbia scientists have identified a gene that allows neurons that release serotonin—a neurotransmitter that regulates mood and emotions—to evenly spread their branches throughout the brain. Without this gene, these ...
Apr 27, 2017
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1070
To begin with, it was just anecdotal reports. Ear, nose and throat specialists from around the world were sharing their experiences on online message boards—they were all seeing a spike in patients experiencing anosmia, ...
Jun 18, 2020
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6
Temporary loss of smell, or anosmia, is the main neurological symptom and one of the earliest and most commonly reported indicators of COVID-19. Studies suggest it better predicts the disease than other well-known symptoms ...
Jul 24, 2020
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University of Auckland research has found an anatomical link for the loss of the sense of smell in Parkinson's disease.
Sep 18, 2017
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233
Although we have known for several years that the adult brain can produce new neurons, many questions about the properties conferred by these adult-born neurons were left unanswered. What advantages could they offer that ...
Feb 23, 2018
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381
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 infection to the olfactory bulb ...
Jun 5, 2020
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542
Just like a road atlas faithfully maps real-word locations, our brain maps many aspects of our physical world: Sensory inputs from our fingers are mapped next to each other in the somatosensory cortex; the auditory system ...
Mar 19, 2012
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0
Detecting odors and differentiating between them is an essential ability that helps animals to survive and interact more effectively with their surrounding environment. In mammals, odors are known to be initially processed ...
The loss of a sense of smell is known to be one of the earliest signs of Parkinson's disease (PD) and can even appear years before the characteristic tremors and loss of motor function are seen. Some scientists believe that ...
Aug 3, 2020
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22
A consensus is building that air pollution can cause neurological diseases such as Alzheimer's disease and Parkinson's disease, but how fine, sooty particles cause problems in the brain is still an unanswered question. Now ...
Jul 2, 2019
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