PSY 1101 Chapter Notes - Chapter 6: Subliminal Stimuli, Absolute Threshold, Sensory Analysis

• School: University of Ottawa
• Department: Psychology
• Course: PSY 1101
• Professor: Najwa Haddad

Document Summary

Perception: the process of organizing and interpreting sensory information, enabling us to recognize meaningful objects and events. Is not a little person in your head we construct the world from a combination of sensory input and expectations. Prosopagnosia: condition where there is complete sensation, but incomplete perception. Transduction: encode physical energy as neural signals. Flash lights (varying brightness, colours, positions) and ask you whether or not light occurred: below threshold: subliminal stimulation. Chapter 6: sensation & perception 3: subliminal messages can"t persuade us. Light intensity jnd is about 10% (for us to see difference) Weight about 2% (for us to feel difference) Frequency (sound) < % (good at detecting sound difference) Lecture notes on subliminal perception. [don"t buy the subliminal success while you sleep audio] Exhausted parents of a newborn will hear the faintest whimper while failing to notice: ex. Bit, by bit, fragments of the picture disappears. Interestingly, the disappearance and reappearance of an image occurs in meaningful units.