PSY 1001 Lecture Notes - Lecture 1: Afterimage, Retina

• School: University of Iowa
• Department: Psychology
• Course: PSY 1001
• Professor: Habashi Meara

Document Summary

Sensation: process by which out sensory receptors and nervous system receive and represent stimuli from the environment (building blocks that lead you to perception) Perception: process of organizing and interpreting sensory information: enables recognition of meaningful objects and events, perception of a sensory experience can change even though the input remains the same. What is the sensation of the 3 images? (rectangle, shapes, colors) What is the perception of the 3 images? (doors) Sometimes sensations are the same and we perceive them to be different. Many of our sensations rely on the visual system. Rods and cones: specialized neurons that take visual sensory information and convert it into neural information (like when light comes into our eye, it"s the rods and cones that take in that information. High sensitivity in dim light (need less light to work) Located in the center of the retina (fovea) Low sensitivity in dim light (need more light to work)