NEUR30004 Lecture 2: LECTURE 2 - VISION
11 Aug 2018
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* vision is our most dominant sense in terms of how much brain power is devoted to it and how strongly it drives our behaviour and beliefs. Vision is the way that we have gotten the most information about the proximal and the distal world around us. * vision is the best sense humans have at giving the spatial relations with things in the world. * so, we would assume evolutionary pressures to have delivered a veridical (truthful, coinciding with reality) system of encoding the spatial relationships of the environments we find ourselves in. But, (cid:449)e (cid:272)a(cid:374) (cid:396)eadil(cid:455) see the (cid:448)e(cid:396)idi(cid:272)al (cid:894)o(cid:396). * data compression chunking is inevitable to pass on to the next level of analysis, and hopefully optimized but it leaves gap. * not everything can have top priority of a system. Retina detects about 1o10 bits per second (much less than is available in a visual scene) 108 bits per second leave retina in optic nerve (approx.
