PSY 102 Lecture Notes - Lecture 5: Reticular Formation, Absolute Threshold, Cocktail Party
Document Summary
Lecture preview: sensation and perception, the visual system, the auditory system, perception: the brain"s interpretation of raw sensory data, outcome of sensation. Inattention blindness: failure to notice a stimulus because attention is focused elsewhere; inability to all stimuli (e. g. using cellphone while driving: change blindness: failing to notice changes in the environment. Intensity: amount of radiated energy contained in light source (physical property: more saturation = more vivid. Fire truck red vs brick red: brightness: effect intensity has on you (your experience, other animals may have a more restricted or greater spectrum; i. e. ultraviolet. Structure of the eye: sclera: the white portion of the eye. Iris: the coloured portion and controls how much light enters the eye: within it there can be freckles, dots, distinct features, dilates of contracts to increase/decreases size of pupil, pigments are chemicals responsible for eye colour.
