PS101 Chapter 4: Chapter 4 - Sensation and Perception
Document Summary
Sensation: stimulation of senses through physical energies. Psychological interpretation: of the physical energies. Ex. if you notice the difference between 10 c and 15 c, then your. Jnd is 5 c initial stimulus: governed by weber"s law (jnd is a constant proportion of the size of the. The larger the stimulus, the larger the change has to be to notice it. Ex. saving on a box of cereal, seems better than saving. Motivation prime: words such as, interested , willing , determined : measured quiz performance. Prime didn"t affect quiz performance for people who had high mindfulness. Subliminal prime increased quiz performance but only for those low in mindfulness. Perception: colour (length, brightness (height, saturation (fewer or more light waves) Lens is focusing just short of the retina: farsighted see far, but not near. Lens is focusing the light past the retina.
