Sensation Perception Chapter 8 Sensation n The process
- Slides: 26
Sensation & Perception Chapter 8
Sensation n The process of receiving information from the environment.
Perception n Assembling and organizing sensory information to make it meaningful.
Stimulus A change in the environment. n It can be measured! (size, duration, intensity) n
Psychophysics n Develop a quantified relationship between stimuli from the world, and the sensory experiences produced by them.
Absolute Threshold n The smallest amount of energy that will produce a sensation.
Taste n 1 teaspoon of sugar in two gallons of water.
Sight n 1 candle from 30 miles.
Touch n A bee wing dropped on an individuals cheek from a distance of 1/2 inch.
Hearing n The tick of a watch from a distance of 20 feet.
Smell n 1 drop of perfume diffused into a three room apartment.
Subliminal Messages Below Threshold n James Vicary, Sep. 12, 1957 New Jersey theatre placed in film for 1/3000 of a second every 5 seconds and over 6 weeks. n EAT POPCORN DRINK COCA-COLA! n Popcorn sales 18. 1% n Cola sales 57. 7% n
Webers Law n The larger or stronger a stimulus, the larger the change required for an observer to notice.
Sensory Adaptation n Our senses adjust themselves to a constant level of stimulation.
Mr. Wizard Day! This will be SENSATIONAL Stare at the star in the Lower Right corner.
Blind Spot
Spinning Card
Rods and Cones Color cards and peripheral
Hook-up Video Now and Volunteer!
Stroop Test Boys vs. Girls
Kinesthesis The sense of movement and body position. n Ex. Mirror glasses and Tantalizer game tracing stars. n
Vestibular System 3 semicircular canals that provide a sense of balance. n Located in the inner ear. n
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