Optogenetics: A Vision of the Future of Neurology?

In 1979, Nobel laureate Francis Crick published a paper discussing progress in neuroscience. Describing the subject as “profoundly mysterious”, he speculated on new methods of investigating the brain, including the ability to inactivate one type of neuron whilst leaving the others “more or less unaltered” [1]. Crick is not alone; for years the mammalian brain has dumbfounded researchers [1,2]. In the human, a hundred billion neuronal parts and myriad connections lead to an interconnected system of a level of unparalleled complexity [3].

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