New light-sensitive proteins allow scientists to study how multiple sets of neurons interact with each other

Optogenetics is a technique that allows scientists to control neurons' electrical activity with light by engineering them to express light-sensitive proteins. Within the past decade, it has become a very powerful tool for discovering the functions of different types of cells in the brain.Most of these light-sensitive proteins, known as opsins, respond to light in the blue-green range.

Source: http://feedproxy.google.com/~r/mnt/healthnews/~3/Nqz5V3ZE4Ik/272421.php

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