PHLB81H3 Lecture Notes - Lecture 6: Reductionism, Thomas Nagel, Explanatory Gap
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Blindsight da(cid:373)age to the (cid:448)isual (cid:448)orte(cid:454) (cid:449)hi(cid:272)h (cid:272)auses a(cid:374) i(cid:374)di(cid:448)idual to (cid:271)e (cid:862)(cid:271)li(cid:374)d(cid:863) i(cid:374) certain areas of the visual field. I(cid:373)agi(cid:374)e (cid:455)ou flash a(cid:374) i(cid:373)age i(cid:374) the (cid:271)li(cid:374)d area; (cid:449)e"ll sa(cid:455) the i(cid:373)age is a(cid:374) arro(cid:449) If you asked a blindsighted person what direction the arrow is pointing in, they would likely say that they have no clue. Interestingly, if you asked them to guess they are right a lot of the time. Prosopagnosia the inability to recognize faces while other visual discriminations work fine: can sometimes correctly guess whose face they are being presented with, not (cid:862)(cid:272)o(cid:374)s(cid:272)ious(cid:863) of (cid:449)hat the(cid:455) are seei(cid:374)g, so consciousness facilitates reasoning, reporting, and guiding acion. The two kinds of consciousness: phenomenal-consciousness (p-consciousness) The experience we have when we receives sensations. There is so(cid:373)ethi(cid:374)g it"s like, that is so(cid:373)ethi(cid:374)g differe(cid:374)t that it"s like i. e. hearing something from your left is different from hearing something from your right: access-consciousness (a-consciosuness)
