Shedding Light on the Brain: Neuroscientists Reflect on Optogenetics Nobel
On October 5, three scientists—Peter Hegemann, Georg Nagel, and Karl Deisseroth—were awarded the Nobel Prize in Physiology or Medicine for the development of optogenetics, a revolutionary tool that allows neuroscientists to use light to turn on and off individual brain cells, even those located deep within the brain. Hegemann and Nagel, the Nobel Assembly noted, "discovered a remarkable protein,…
The Nobel Prize in Physiology or Medicine was awarded to Peter Hegemann, Georg Nagel, and Karl Deisseroth for developing optogenetics, a tool that uses light to control individual brain cells. According to Caltech News, Hegemann and Nagel discovered a remarkable protein, while Live Mint reports that their work built on research by Suneel Kateriya, who identified light-sensing proteins in the freshwater alga Chlamydomonas.
Optogenetics works by introducing light-sensitive proteins into neurons, allowing researchers to alter their electrical activity precisely using light. This technique has enabled scientists to study neural circuits more accurately, linking specific neurons to behaviors such as learned fear responses in animals.
The development of optogenetics has opened new avenues for neuroscience research, but it also faces challenges, including effective gene delivery, long-term safety, precise cell targeting, and the necessary light intensity for practical application in clinical settings, as noted by Live Mint.
Brief written by urgent.news from Caltech News, Live Mint — 2 reports on this story. Machine-written — may contain errors; check the original before relying on it.
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