PSY280H1 Chapter Notes - Chapter 1&2: Gustav Fechner, Step Function, Sensory Neuron
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PSY280H1 Full Course Notes
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Definition & backgrounds: sensation = the ability to detect a stimulus, bottom up. Done w/o much thinking/conscious thought: perception = the act of giving meaning to a sensation, top down. The richer and more meaningful experience of sensation. Easy to missing something you"re not looking for: only your own sensory experience is accessible to you. Not directly measurable, only indirectly report: mental life depends on sensation and perception. More sensation more stuff perceived richer mental life: the psychological approach. The quantitative relationship between physical stimuli and the psychological experience of those stimuli. Ph1: relationships between physical stimulus parameters & physiological responses. Ph2: relationships between physiological processes & psychological experience. Pp: psychophysical approach measure relationship btwn stimulus (physics) and perception (psycho: process: Light energy transformed into electrical energy at the receptors. Receptors sends information to the brain for further processing. Processing in brain may err, disregard certain information. Perception is the conscious experience of sensation: perceivers can reliably estimate intensity.
