What optogenetics is, how channelrhodopsin-2 lets light switch neurons on, a five-step experiment, its uses and limits, updated for the 2026 Nobel Prize.
Neurophotonics: Illuminating Brain Function
Albert Einstein once said, “The most beautiful thing we can experience is the mysterious. It is the source of all true art and all science.” The quest to understand the human brain is fascinating. It has challenged scientists and philosophers for a long time. But, neurophotonics has changed that. It combines optical and genetic breakthroughs to study and change brain function at a cellular level.…