Restorative vs augmentative cognition

A framing distinction between using a cognitive interface to restore function lost to injury or disease (repairing an amnestic patient's encoding) and using it to augment already-healthy cognition beyond its normal range (enhancing a typical person's memory or attention). The technical methods overlap heavily, but the ethical, regulatory, and evidentiary bars differ sharply: restoration is a medical intervention weighed against a deficit, whereas augmentation raises questions of safety-without-disease, fairness of access, coercion (workplace or military use), and identity.

The distinction is clean in principle but blurs in practice — the same closed-loop stimulator that rescues a failing memory in a patient could nudge a healthy one, and many memory studies are run in epilepsy patients whose baseline is neither clearly impaired nor typical. Honest cognitive-prosthetics research keeps the restore/augment boundary explicit because it governs which risks are acceptable for which benefit.