Dec 202005
 

Researchers from MIT studying brain plasticity, the reorganization of brain cells and their connections over time, have recently discovered a “backtalk” or retrograde signal from post-synaptic to pre-synaptic neurons that plays a crucial role in synapse development. It has long been known that synaptic strength, the strength of the connections between neurons, plays a central role in learning and memory in neural networks. The scientists hope their work will lead to breakthroughs in understanding and fighting neurological disorders like Alzheimer’s disease.

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