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Tag Archives | neurons

Researcher David Dietz

Extended Cocaine Use Triggers Changes In Neuron Structure Of The Brain

Chronic exposure to cocaine reduces the expression of a protein known to regulate brain plasticity, according to new, in vivo research on the molecular basis of cocaine addiction. That reduction drives structural changes in the brain, which produce greater sensitivity to the rewarding effects of cocaine. The finding suggests a potential new target for development […]

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EEG

New Study To Test Unusual Hypothesis On Beta Brainwaves With Implications For Parkinson’ Disease And OCD

Before she could seek to convince the world that her computer model of a key brain circuit explains a fundamental, 80-year-old mystery of neuroscience with potential relevance to Parkinson’s disease, Stephanie Jones sought to convince Christopher Moore. The new Brown neuroscience professors are now close collaborators, but when they first started talking about the beta […]

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neuron

Researchers Characterize Epigenetic Signatures Of Autism In Brain Tissue

Neurons in the prefrontal cortex of individuals with autism show changes at numerous sites across the genome, according to a study being published Online First by the Archives of General Psychiatry, one of the JAMA/Archives journals. The study was carried out by Hennady P. Shulha, Ph.D., of the University of Massachusetts Medical School, Worcester, Mass., […]

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worm examined in microscope

A Step Toward Unraveling Alzheimer’s Disease Is Described

Scientists outline new methods for better understanding links between specific proteins and the risks associated with Alzheimer’s disease in an article co-authored by University of Alabama researchers and publishing today in Science Express. In experiments using a series of model organisms, including yeast, microscopic roundworms and rats, the researchers show how basic mechanisms inside cells are […]

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the formation of myelin

Brain Electrical Activity Spurs Insulation Of Brain’s Wiring

Researchers at the National Institutes of Health have discovered in mice a molecular trigger that initiates myelination, the process by which brain cell networks are reinforced with an insulating material called myelin that speeds their ability to transmit messages. The myelination process is an essential part of brain development. Myelin formation is necessary for brain […]

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rat brain cells

New Brain Imaging Technique Measures Neuronal Populations Deep In Cortex

Visual and tactile objects in our surroundings are translated into a perception by complex interactions of neurons in the cortex. The principles underlying spatial and temporal organization of neuronal activity during decision-making and object perception are not all understood yet. Jason Kerr from Max Planck Institute for Biological Cybernetics in Tübingen, in collaboration with Winfried […]

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