In the context of studying brain functions, is defined as a treatment that uses a combination of light stimulation and genetics to manipulate the activity of individual neurons.

Explanation:

Optogenetics is the process of manipulating or modulating neuronal activity by using a combination of light and genetic engineering.

By changing the information in the genetic code of the neurons through genetic engineering, scientists develop a special protein in the neurons which can respond to light.

Through this process, optogenetics help in the treatment of stimulating non-functioning neuronal activity in neural circuits.

tbh idk same thing here

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