Alzheimer's disease is a progressive disorder in which the nerve cells (neurons) in a person's brain and the connections among them degenerate slowly, causing severe memory loss, intellectual deficiencies, and deterioration ...
Jul 20, 2020
0
2224
A new study by MIT neuroscientists into how seemingly similar neuronal subtypes drive locomotion in the fruit fly revealed an unexpected diversity as the brain's commands were relayed to muscle fibers. A sequence of experiments ...
Jul 7, 2020
0
202
Sufferers of Parkinson's disease have clumps of α-synuclein (alpha-synuclein), sometimes known as the "Parkinson's protein," found in the brain. These destroy cell membranes, eventually resulting in cell death. Now, a method ...
Jul 2, 2020
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103
Learning, memory and behavioral disorders can arise when the connections between neuron, called synapses, do not change properly in response to experience. Scientists have studied this "synaptic plasticity" for decades, but ...
Jun 30, 2020
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168
Adult neurogenesis, in which new neurons are generated within the hippocampus in the fully developed adult brain, occurs in mice—but how new neurons are functionally integrated into existing brain circuitry has remained ...
Jun 4, 2020
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189
Neuroscientists at MIT's Picower Institute for Learning and Memory have found that a protein acts like a volume dial for the release of neurotransmitters, the chemicals that neurons release across connections called synapses ...
May 6, 2020
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251
Research led by Si-Qiong June Liu, MD, Ph.D., Professor of Cell Biology and Anatomy at LSU Health New Orleans School of Medicine, has shown how stress changes the structure of the brain and reveals a potential therapeutic ...
Apr 15, 2020
0
345
Researchers at CHU Sainte-Justine and Université de Montréal have discovered a new mechanism involved in the expression of Down syndrome, one of the main causes of intellectual disability and congenital heart defects in ...
Feb 21, 2020
0
487
Researchers at Chalmers University of Technology and Gothenburg University in Sweden have achieved something long thought almost impossible—counting the molecules of the neurotransmitter glutamate released when a signal ...
Jan 21, 2020
2
285
Though scientist Richard Semon introduced the concept of the "engram" 115 years ago to posit a neural basis for memory, direct evidence for engrams has only begun to accumulate recently as sophisticated technologies and methods ...
Jan 3, 2020
10
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