Brain Plasticity and Neural Implants: Could an Infant Learn to "See" Radio Waves?
Infant brains can integrate novel sensory inputs (proven by cochlear implants, ferret rewiring experiments). Neural interfaces from birth would create innate digital senses — a future inequality axis between implanted and non-implanted.
The infant brain is extraordinarily plastic — it can integrate novel sensory inputs in ways the adult brain cannot. If a radio antenna were properly interfaced with the sensory cortex from birth, the brain would likely develop the ability to process those signals as a new sense. Evidence supporting this: - Cochlear implants in infants: Children implanted before age 2 develop near-normal hearing because the auditory cortex adapts to the artificial input during the critical period - Ferret experiments: Researchers rewired ferret visual input to the auditory cortex, and the auditory cortex developed vision-like processing - BrainPort device: Translates camera images to tongue stimulation patterns — adult users learn to "see" through their tongue, though less effectively than children would The critical period (roughly birth to age 5-7) is when sensory cortex is most malleable. After this window, the brain can still adapt but much less dramatically. The socioeconomic implication: If neural interfaces become available, children with implants from birth would have fundamentally different capabilities than adults using external AR glasses — creating a new axis of inequality between those with innate digital integration and those using clunky external devices. This isn't science fiction — cochlear implants already demonstrate the principle. The question is engineering (safe, reliable brain interfaces) not neuroscience (whether the brain can adapt).