PSYCH 1101 Lecture Notes - Lecture 9: Visual Cortex, Sensory System, Psych

• School: Cornell University
• Department: Psychology
• Course: PSYCH 1101
• Professor: David Pizarro

Document Summary

Psych 1101 lecture 9 how we know the world around us: sensation & perception (pt. Acquiring basic/raw information about the world through five sense: perception. Doors, desks rectangles although not actually perfectly rectangular: attention, memory. Play blindness: taking advantage of how attention system works, not noticing the changes in background, although information hit visual cortex, still have focused attention on certain things not remembering background/ unimportant details. How do we acquire knowledge about the world: fed into sensory system, how do we know what we know, can"t see infrared, x-rays. External stimuli not aware of: auditory spectrum, visible spectrum. How is it constrained?: if we could see entire spectrum overwhelming. Sensation: we acquire basic sensory information (we detect objects in world) through senses: Requires particles to go up nose (only sense with stimuli floating inside) Vision: brain transduces incoming information (e. g. , light waves, sound waves, particles) Are my sensations the same as yours: varying degrees of pain, different individual tastes.