PSY 150A1 Lecture Notes - Lecture 5: Stroop Effect, Color Vision, Change Blindness

• School: University of Arizona
• Department: Psychology Main
• Course: PSY 150A1
• Professor: Adam Lazarewicz

Document Summary

Iv: flash happy/sad face on the screen for fraction of a second, then mask with. Little long term effect of subliminal messages (priming = short term) Hypothesis : people perceive subliminal cues, only act on them when already motivated to do so. Iv"s: thirsty/not thirsty ps subliminally exposed to thirst-related/neutral words. E. g. thirsty, dry, parched vs. pirate, won, chair. D. v: amount of kool aid consumed in subsequent taste (ml) Sensory adaptation: decreased sensitivity due to constant stimulation. Mini projector attached to contact lens? (pritchard, 1961) Ability to adjust to new modalities of perception. Stratton (1896): glasses that flip left right,and up down. Walking , eating, etc. nearly impossible at first; became sick and depressed. Day 8: could walk without running into things, could reach in correct direction. Transduction: transforming sensory input into neural impulses. Light waves reflected from (or produced by) objects. Amplitude : brightness (larger amplitude = brighter color) Wavelength : hue (short wavelength = blue, long = red)