04.07_Perception1 (1)

04.07_Perception1 (1) - Perception I Perception as active...

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© S. J. Luck All rights reserved 1 © S. J. Luck All Rights Reserved Perception I • Perception as active construction • Illusions and their role in the study of perception • The information available in the environment – Example: Motion cues • Object identiFcation – What’s so hard about object identiFcation? – Steps in object identiFcation – Theories of object recognition • ±ace perception • We have no direct information about objects in the world • Objects may emit energy, or they may in²uence environmental energy – An object may generate a sound – An object may differentially re²ect certain wavelengths of light • The nervous system has receptor cells that transduce various forms of energy into electrical signals in neurons – Photoreceptors, hair cells, mechanoreceptors, thermoreceptors, etc. • The percept created by an object depends on the interaction of several factors:
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04.07_Perception1 (1) - Perception I Perception as active...

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