PSYC 1001 Midterm: Term Test 2 - Fall 2017
28 Feb 2018
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Document Summary
Bottom-up processing: automatic, parallel; sensation, components of stimulus detected by sensory receptors, bits of information transmitted to brain, combined & assembled into whole pattern that a person perceives. Top-down processing: non-automatic, serial; perception o, helps find meaningful links between individual elements taken in by sensory receptors. Flirting with someone or having dinner with their parents for the first time: psychophysics, absolute threshold. Difference between not perceiving & just being able to perceive a stimulus. o: minimum sensory stimulation that can be detected 50% of time. Candle flame 50 km away: watch ticking 6 meters away. 1 tsp of sugar dissolved in 7. 6 litres of water. 1 drop of perfume in a 3-room house. Fly"s wing falling 1 cm on your cheek: difference threshold o o. Smallest increase or decrease in stimulus for just noticeable difference (jnd) detectable 50% of time. Jnd a percentage of total value of stimulus.
