Exam 4: A: Sensation and Perception

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The Gestalt psychologists described several principles of how we organize perceptions into meaningful wholes.Define the principles of (a)proximity,(b)similarity,(c)continuation,and (d)closure.​

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The condition in which a stimulus of one type,such as sound,also elicits another experience,such as color is called ____________________.​

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The theory that we perceive color by comparing responses from three types of receptors is known as the ____________ theory.​

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Certain drugs that relieve physical pain can relieve hurt feelings also.​

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People taste very dilute sugar or salt solutions more easily than equally dilute bitter substances.​

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Feature detectors can explain all aspects of pattern perception.​

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Subliminal messages to improve memory,quit smoking,or lose weight are no more effective than a placebo.​

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Red-green color vision deficiency results from a recessive gene on the _____ chromosome.​

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Detection of the tilt,acceleration,and orientation of the head depends on the __________ system.​

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What is one likely explanation for many optical illusions?​

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The part of the retina with the best color vision is the ______​

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Itch sensation is a mild type of pain.​

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In order to see something,we send rays out from our eyes.​

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The sense of smell depends on only seven types of olfactory receptors.​

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Explain why everyone has a blind spot in each eye.​

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Describe the gate theory of pain.​

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In the eye,light is focused by the rigid cornea and the flexible _______.​

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Our ability to perceive objects as maintaining their size,shape,and color,despite changes in the image striking the retina,is known as visual ____________.​

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"Hurt feelings" activate some of the same brain areas as physical pain.​

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It is possible to perceive many aspects of depth with just one eye.​

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