PSY100Y5 Lecture Notes - Lecture 4: Oliver Sacks, Decibel, Lateral Geniculate Nucleus

• School: UTM
• Department: Psychology
• Course: PSY100Y5
• Professor: Urzbat

Document Summary

Sensation is the stimulation of sense organs: involves the absorption of energy like light or sound waves, perception is the selection, organization, and interpretation of sensory input, involves organizing and translating sensory input into something meaningful. Psychophysics: basic concepts and issues: psychophysics the study how physical stimuli are translated into psychological experience. Important contributor of this area was gustav fechner. A candle flame can be seen at 50km on a dark, clear night. A tick of a watch under quite condition at 6m. One drop of perfume diffused into the entire volume of a six-room apartment. The wing of a fly falling on your check from a distance of 1cm. Subliminal perception the registration of sensory input without conscious awareness: limen is another term for threshold, so subliminal means below threshold. Sensory adaptation is the gradual decline to sensitivity due to prolonged stimulation. Is a pervasive aspect in our everyday life.