PSYB65H3 Chapter Notes - Chapter 9: Receptive Field, Optic Disc, Optical Fiber
Document Summary
Chapter 9: how do we sense, perceive, and see the world: clinical focus 9. 1 - migraines and a case of blindsight. D. b. had headaches-------> oval in visual field------> vanished----> blind there. Fell asleep and woke up ----> headache gone and vision restored. D. b. had migraines-----> recurrent headaches on one side of head. Auras= auditory, tactile, visual-----> headache + blood vessel dilation. D. b. left with one small blind spot called scotoma. Eventually became completely blind in left visual field. Still could tell when a light blinked on his blind area-----> blindsight: introduction to the chapter. We have this selective attention, where we are only consciously aware of only part of the visual field our brain is processing. So much sensory processing that takes place w/o our awareness for vision, smell, etc. Senses convert physical energy into neural energy: 9. 1: nature of sensation and perception.