Which of the following is an advantage of optogenetic techniques over electrical stimulation techniques?
A. Optogenetic techniques are less invasive than electrical stimulation techniques.
B. Optogenetic techniques can be used to stimulate a specific group of neurons, while electrical stimulation techniques are less specific.
C. Optogenetic techniques can be used for deep brain structures, while electrical stimulation techniques can only be used for surface structures.
D. Optogenetic techniques can be used in awake, behaving animals, while electrical stimulation techniques can only be used in animals that are anesthetized.
Answer: B
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