Three eras of BCIs and their corresponding ethical challenges.
| Time period | Characteristics | Ethical challenges |
|---|---|---|
| Long-term | Extensive enhancement of human brains with BCIs | Transhuman cyborgs treatment of humans as inferior and inconsequential |
| Vulnerability of those with BCIs to thought control and mind-reading | ||
| Loss of individuality to a merged group mind | ||
| Immortality of thoughts, memories and whole minds | ||
| Medium-term | Routine use of BCIs as therapy | Cost of BCIs as an obstacle for needy patients |
| Discomfort or disgust with implants as an obstacle for patients | ||
| Question of who controls operation of patients' BCIs | ||
| Security of BCIs against hacking | ||
| Acceptance of BCIs for enhancement of normal function | ||
| Near-term | Use of BCIs in a translational research setting | Conduct of clinical trials |
| Developing BCI systems that maximize benefit as opposed to profit | ||
| Ownership of intellectual property as an impediment or incentive to biomedical advances | ||
| The influence of funding sources on research priorities |