Visual Perception

We navigate the world using our senses—and our most important sense is probably our sense of sight. Our eyes take in light from the outside world and translate it into a code that our minds can manipulate, but this is a very complex process. In this video, we’ll see how our mind takes in and interprets visual information to give us an understanding of the world around us.

0:00 – Intro
2:14 – Sensation
5:14 – The retina
10:51 – Geniculostriate pathway
12:48 – Top-down processing
24:38 – Face blindness
28:22 – Blindsight
32:08 – Key concepts

Sources:
Beaumont (1988). Sensation and Perception. In Understanding Neuropsychology. archive.org/details/understandingneu0000beau
Foster (2011). Color constancy. www.sciencedirect.com/science/article/pii/S0042698…
Gegenfurtner, Bloj & Toscani (2015). The many colours of ‘the dress’. www.sciencedirect.com/science/article/pii/S0960982…
Damasio (1985). Prosopagnosia. www.sciencedirect.com/science/article/pii/01662236…
Cowey & Stoerig (1991). The neurobiology of blindsight. www.sciencedirect.com/science/article/pii/01662236…
Weiskranz (1996). Blindsight revisited. www.sciencedirect.com/science/article/pii/S0959438…

3D model of the optic tract. sketchfab.com/3d-models/optic-tract-and-radiation-…
60 Minutes: Face Blindness.    • From the 60 Minutes Archive: Face Blindness