sensation and perception 10/7
sensation and perception 10/7 PSY 101
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This 2 page Class Notes was uploaded by Nowak Notetaker on Wednesday October 7, 2015. The Class Notes belongs to PSY 101 at Indiana University taught by Dr. Thomassen in Summer 2015. Since its upload, it has received 30 views. For similar materials see Introductory Psychology in Psychlogy at Indiana University.
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Date Created: 10/07/15
Sensation and Perception Sensation translating messages stim from environment Sensory neurons Perception producing stable interpretations of translated messages first sensation then perception stim gt sensation physical gt perception higherorder psychological part gt response Sensation building blocks of experience Data driven real life 0 BOTTOM UP processing 0 Physical Translating message Perception experience of stim events Conceptually driven from mind 0 TOP DOWN processing organizing data mentally Psychological Producing stable interpretations Optical Illusions show difference btwn sensation and perception Sensation info has not changed 0 Perception has changes We see in 2D and perceive in 3D depth perception Hollow Mask Illusion We ignore monocular depth cues of shadowing and shading Override by topdown processing expectations of convex human face Schools Structuralists Wundt Fechner Weber experiences from basic senses sensation MKNOWAK Gestalists form fundamental and innate organic principals of visual perception how we experience whole rather than pieces Sensation afferent AP respond to stim Sight vision electromagnetic energy wavelength of light Sound hearing physical sound waves thru air Touch pressure on receptors physical Smell chemical molecules in air or liquid Taste chemical molecules on tongue receptors Transduction going from physical world stim to the language of the mind neural impulses photoreceptors detect light but eye and brain detect image transduction allows brain to manipulate environmental data Vision light gt retina gt photoreceptors rodes and cones gt neuron firesgt optic nerve gt visual cortex Hear sound waves gt cochlea gt basilar membrane hair cells gt neuron fires gt auditory nerve gt auditory cortex MKNOWAK