A new study by Montreal scientists published today in Nature demonstrates that a gut infection can lead to a pathology resembling Parkinson's disease (PD) in a mouse model lacking a gene linked to the human disease.
Jul 17, 2019
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Neonatal exposure to nicotine alters the reward circuity in the brains of newborn mice, increasing their preference for the drug in later adulthood, report researchers at University of California San Diego School of Medicine ...
May 22, 2019
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Learning to avoid negative experiences requires an interplay of two distinct brain circuits, one to interpret "Yikes!" and drive learning, and the other, unexpectedly, to dial in the strength of that memory, a new fruit fly ...
May 14, 2019
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Scientists at the University of Virginia School of Medicine have identified a potential explanation for the mysterious death of specific brain cells seen in Alzheimer's, Parkinson's and other neurodegenerative diseases.
Feb 15, 2019
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Loss of dopaminergic neurons is a hallmark of Parkinson's disease pathology. When dopaminergic neurons are stressed, they send out a call for help to nearby glial cells that are tasked with providing neuronal support, protection ...
Feb 12, 2019
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Genetic mutations affecting a single gene play an outsized role in Parkinson's disease. The mutations are generally responsible for the mass die-off of a set of dopamine-secreting, or dopaminergic, nerve cells in the brain ...
Nov 15, 2018
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University of Tsukuba researchers report the importance of the brain's dopaminergic system for inhibiting already-planned actions. They trained monkeys to redirect their gaze toward targets presented on a screen, apart from ...
Nov 9, 2018
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Very few people can resist smiling at a newborn baby – signaling positive emotions, such as joy and interest. Of course, this is especially true for new parents. One study found that new mothers looked at their 16-hour-old ...
Oct 31, 2018
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The brain is the body's most complex organ, and consequently the least understood. In fact, researchers like Michael Tadross, MD, PhD, wonder if the current research methods employed by neuroscientists are telling us as much ...
Oct 19, 2018
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Attempting to make dopamine-producing neurons out of glial cells in mouse brains, a group of researchers instead converted mature inhibitory neurons into dopaminergic cells. Their findings, appearing October 11 in the journal ...
Oct 11, 2018
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