BS 188 Anil Seth on Consciousness
Brain Science with Ginger Campbell, MD: Neuroscience for Everyone
Perception Is a Process of Approximative Basian Inference
Sensory signals are simply too noisy and ambiguous to specify the contents of what we perceive. The brain is continually calibrating its best guesses about the causes of sensory data against evidence from the world. Our perceptual content is always an active interpretation, structured by a priori expectations incoded in the brain. When we see a particular color, like i'm looking out of my window now, and it's a sunny day, so i can see a blue sky in brighton in a sense, that's both more than what's really out there and less than what’s really out there. So this is, i think, a lesson that can be generalized to all our conscious experiences.
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