Chapter6

Chapter6 - Chapter 6: Sensation & Perception The Perceptual...

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Chapter 6: Sensation & Perception The Perceptual Experience Whenever you are exposed to a stimulus in the environment, the stimulus initiates an electrochemical change in the receptors in your body. (synaptic transmission) That change in turn initiates the process of the sensation and perception. Philosophical Inquiry Do we see the world as it actually exists? If a tree fell in the middle of the forest and no one were there, would it make noise? o Most psychologists would say that it doesn’t make noise. o Noise is a concept and concepts are all in the mind. o It would produce sound waves, but no noise. Sensation Definition: the detection of physical energy emitted or reflected by physical objects. Details o The receptor cells are located are in the sense organs (i.e. eyes, ears, tongue, nose, skin, & internal body tissues) o The receptor cells send the information, transduced to neuronal energy, to the CNS o Transduced: physical turned into a nerve impulse Perception
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This note was uploaded on 02/28/2011 for the course PSYCH 001 taught by Professor Benbassi during the Fall '08 term at GWU.

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Chapter6 - Chapter 6: Sensation & Perception The Perceptual...

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