guāng / yí / chuán / xué / ràng / kē / xué / jiā / néng / yòng / guāng / kòng / zhì / shén / jīng / yuán / de / huó / dòng光遗传学让科学家能用光控制神经元的活动。Optogenetics lets scientists use light to control the activity of neurons.