PSYC 1001 Chapter 4: PSYC1001 Chapter 4 Notes
3 Nov 2016
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Sensation: the stimulation of sense organs: involves the absorption of energy (ex. light or sound waves) by sensory organs (ex. ears or eyes) Perception: the selection, organization, and interpretation of sensory input: involves organizing & translating sensory input into something meaningful (ex. your best friend"s face or other environmental stimuli) Synthesis: a condition in which perceptual or cognitive activities (ex. listening to music, reading) trigger exceptional experiences (ex. of colour, taste: can take many forms, experiences from different senses become paired. Grapheme-colour synthesia: a condition in which words, letters, or digits are associated reliably with speci c colours. Psychophysics: the study of how physical stimuli are translated into psychological experience. Gustav fechner - an important contributor to psychophysics: published a seminal work on the subject in 1860. Implicit in fechner"s question = a concept central to psychophysics: the threshold. !1: threshold: a dividing point between energy levels that do and don"t have a detectable effect.
