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Researchers have discovered a type of neuron that would coordinate the consolidation of memory
In an article published today in Nature Communications, researchers from Université Laval and Oxford University report having discovered a new type of neuron in the mouse brain. These neurons connect two structures associated with memory and may coordinate the consolidation of information about contextual or episodic memory.
Source: MUHC Newsroom
Sleep is an essential behavioural state in animals ranging from invertebrates to humans. It is critical for immune function, stable metabolism, brain repair, learning and memory. Over the course of a lifetime, more than 30 per cent of people will experience a sleep disorder, which is associated with a number of diseases including Alzheimer’s, type 2 diabetes, and cardiovascular disease.
New research by Samuel David at McGill University provides new insight on the role of macrophages and resident microglia following injury to the central nervous system.
Infiltrating monocyte-derived macrophages (MDMs) and resident microglia dominate at sites of central nervous system (CNS) injury. These cells have different origins – MDMs arise from the bone marrow throughout life, while microglia arise from the yolk sac during embryonic development and populate the CNS.
New research by Chin-An Wang and Douglas Munoz, at Queen’s University, shows that a brain region called the intermediate superior colliculus (SCi) helps regulate the size of the pupil to optimize visual sensitivity and sharpness. Interestingly, brain processing of an object begins even before one shifts their gaze towards the object. This research shows that the size of the pupil is adjusted to the light level of the target, independent of the general light level, before the movement of the eyes towards this target.
Congratulations to the new fellows of the Canadian Academy of Health Sciences. Induction into the CAHS as a Fellow is considered one of the highest honours within Canada’s academic community.
The newly inducted fellows include the following neuroscientists:
Neuroscientists from Western University have discovered a difference in the way younger and older adults respond to sounds. In the BrainsCAN study, researchers found that the brain becomes more sensitive to sounds as a person ages, which likely causes hearing challenges over a lifetime.
Researchers say the findings provide a convincing reason to keep concussed athletes on the bench even if they no longer exhibit any symptoms.
Detailed scans of concussed University of British Columbia hockey players found that the protective fatty tissue surrounding brain cell fibres was loosened two weeks after the injury—even though the athletes felt fine and were deemed ready to return to the ice.
When it comes to weight gain, the problem may be mostly in our heads, and our genes
Clinicians should consider how the way we think can make us vulnerable to obesity, and how obesity is genetically intertwined with brain structure and mental performance, according to new research.
The study, led by researchers at the Montreal Neurological Institute and Hospital (The Neuro) and published in the Proceedings of the National Academy of Sciences on Aug. 28, 2018, was an examination of magnetic resonance imaging (MRI) and cognitive test data from 1,200 individuals, supplied as part of the Human Connectome Project.
The Royal Society of Canada has recently announced new Fellows in the Academies of Arts and Humanities, Social Sciences, and Science. They have been elected by their peers for their outstanding scholarly, scientific and artistic achievement. Recognition by the RSC is the highest honour an individual can achieve in the Arts, Social Sciences and Sciences.
The RSC also welcomed new Members of the College of New Scholars, Artists and Scientists, that include top mid-career leaders in Canada. The College provides the RSC with a multigenerational capacity to help Canada and the world address major challenges and seize new opportunities including those identified in emerging fields.