PSYC 100 Chapter 4: Chapter 4

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Process: feature detectors: specific detectors for specific visual stimuli, the stimulus for vision is lightwaves or electromagnetic energy, sound, frequency: number of sound waves per second or cycles per second (pitch) Hertz (hz): technical term for cycles per second (frequencies under. 4000hz are by impulse receptors, over 4000hz by fluid wave in the cochlear canal: amplitude: vertical size of sound waves, amount of compression and expansion of molecules (loudness) www. notesolution. com. Problem because neurons are limited in their rate firing. Bottom-up processing: system takes in individual elements of stimulus then combines them into a unified perception existing knowledge, concepts and expectations consciousness foreground figure and a background. Top-down processing: sensory information is interpreted in light of. Inattentional blindness: failure of unattended stimuli to register in. Figure-ground relations: tendency to organize stimuli into a central or www. notesolution. com. People interpret stimuli in accordance with the four gestalt laws of.