Can unborn babies see anything? It's possible. 'Retinal waves' represent a kind of innate learning program designed to help us see the world once we're born, explains BrainAsInternet
Being found in all vertebrates tested so far, retinal waves are clearly a useful evolved trait. What purpose do they serve?
Retinal waves are spontaneous patterns. They are organized by complex chemical interactions, yet, through evolution, these interactions are able to self-organize into relatively simple patterns. One could imagine other scenarios in which the chemical reactions lead to totally random activity, like snow on a TV screen, or a single flashing region. This might not be so useful. Instead, retinal waves erupt, move in a more or less coherent way across part of the retina, then die off.
So do babies about to be born “see” retinal waves? We will never know. As I noted, perinates’ visual systems are still under construction, something that retinal waves contribute to. Beyond this, we can’t scrutinize other people’s conscious experience because it is totally private and happening only in their head. This is true for adults also, although at least adults can try to describe what they experience.
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