In medicine there are two ways to save people's lives. One is medicine which uses drug to cure without any damage of human body. The other is surgery which uses invasive operation.
Thus we can divide neural scientific applications into those two ways.
Biomedical engineering has a subfield called neural prosthesis, neural regeneration, or neural restoration.(in chinese:神经修复）
Two important techs of neural prosthesis, cyborg( BCI or HMI ) and brain function enhancement drugs, are very similar to them. The former belongs to surgery, and the latter belongs to medicine.
I guess as for some molecule level, surgical operations will be useless because biostructure is too small. But at cell level, it seems both ways are OK. For larger biostructure, surgical operations will take its role. Am I right? Pls tell me your opinion. It would be highly appreciated.
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If disabled people use BCI they get cured. If normal people get it they become cyborg or human v2.0.
If psychiatric patient and those who have brain function disorder get enhancement drugs they get cured. If normal get them they become (no formal term) "superman"?
From patient to normal, neural prosthesis becomes neural engineering.
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