PSYCH 100 Study Guide - Midterm Guide: Subjective Constancy, Color Vision, Cochlea

• School: UMASS-Amherst
• Department: Psychology & Brain Sciences
• Course: PSYCH 100
• Professor: tamararahhal

Document Summary

Psych 100 - exam 2 study guide (final) Sensation is the process of converting the physical world into a mental representation and relaying that information to the brain. Perception is the process of selection, organization, and interpretation of these mental representations. Psychophysics is the study of the relationship between the physical aspects of stimuli and our psychological experience of them. Retina: the part of the eye that converts the electromagnetic energy of light to electrical impulses for transmission to the brain. Rods: thin, cylindrical receptor cells in the retina that are highly sensitive to light; particularly in dim light. Cones: cone-shaped, light sensitive receptor cells in the retina responsible for sharp focus and color perception; particularly in bright light. Optic nerve: a bundle of ganglion axons that carry visual information to the brain. Light is a form of electromagnetic radiation waves, which are measured in wavelengths: trichromatic theory: When one color is on, the other is off ex.