AP Sensation & Perception. What is the difference?. Sensation: The ability to receive stimuli from the outside world. Perception: Your interpretation of the stimuli. Generally speaking, sensation is universal, perception is individual . The Five Major Senses. Vision (sight)
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AP Sensation & Perception
Generally speaking, sensation is universal, perception is individual
Some color combinations never seen together (blue-yellow)
Overexposure to one color, will create an afterimage of the opposite color
Process of experiencing color is excitatory and inhibitory from a individual neurons
A positive response for one color, will elicit a negative in another
2. Trichromatic (Young-Helmholtz) Theory
Thomas Young proposed that color vision results from the actions of three different receptors.
Proposed this 70 years before the discovery of cones
Further research by Herman von Helmholtz, showed that three different wavelengths of light could be combined to form any visible color in the spectrum
Volume is measured in decibels
See figure on p. 220
Asnomia: inability to smell
Lock and key theory: different receptors receive different odors.
Smell + Taste = Flavor
Examples: FDR, magic
Examples: LSD, delirium tremens