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عين ليبيا
Nobel Medicine 2026: Light's role in brain control
Scientists Karl Deisseroth, Peter Hegemann, and George Nagel received the Nobel Prize in Physiology or Medicine in 2026 for their discoveries related to light-sensitive ion channels and the development of the "genetic optoelectronics" technique known as Optogenetics. This technique allows precise control of brain cells using light. It enables the study of neural circuits and the linking of specific cell activity to functions such as memory, emotions, and behavior, as well as providing a more accurate understanding of neurological and psychiatric disorders. The method involves introducing genes that produce light-sensitive proteins into cells, allowing them to be activated or inhibited upon exposure to light. It has proven effective in living animals and is now widely used in neuroscience and medicine.
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