PSY 102 Chapter Notes - Chapter 4: Optical Illusion, Ponzo Illusion, Brainstem
24 Oct 2016
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Document Summary
Sensation and perception are the underlying process operating in this visual illusion. Sensation: detection of physical energy by sense organs, which then send information to the. Illusion: perception in which the way we perceive a stimulus doesn"t match its physical reality brain. Perception: the brain"s interpretation of raw sensory inputs. Gives meaning and coherence to raw data. Top-down way our brains organize and interpret sensory input. Two sides of the coin: sensation and perception. Brain picks and chooses among the types of sensory information it uses, often relying on expectations and prior experiences to fill in the gaps and simplify processing. All our senses rely on a mere handful of basic principles. Bottom-up process by which our sensory organs receive and replay sensory input. Transduction: going from the outside world to within. Transduction: the process of converting an external energy or substance into electrical activity within neurons. Frist step in sensation is converting to language the nervous system understands.
