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Visual perception

Unit 4 AP Psychology

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UNIT 4: SENSATION AND PERCEPTION Sensation: your window to the world Sensation a process by which our sensory receptors and nervous system receive and represent stimulus (or physical) energy and encode it as neural signals. Our sensory and perceptual processes work together to help us sort out complex processes Bottom-Up Processing analysis that begins with the sense receptors and works up to the brain?s integration of sensory information Top-Down Processing information processing guided by higher-level mental processes as when we construct perceptions drawing on our experience and expectations The Absolute Threshold minimum stimulation needed to detect a particular stimulus 50% of the time. It is the intensity at which we can detect a stimulus half of the time

Unit 4 (Myers)

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SEQ CHAPTER \h \r 1AP Psychology Name Unit IV: Sensation & Perception Homework Assignments Read the assigned pages of your textbook for understanding of the content. To do this you need to (1) answer the provided guided reading questions OR (2) take notes on your own. You do NOT need to do both! Module 16: pages 151-160 Explain the difference between sensation and perception. Sensation is the process where our sensory receptors and nervous system receive and represent stimulus energies from our environment. Perception is the process of organizing and interpreting sensory information, enabling s to recognize meaningful objects and events. Sensation: what the senses detect Perception: organizing and making connections

Myers Psychology Chapter 6 Vocabulary (6th Edition)

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Myers Psychology Ch6 Vocab Vocabulary
Selective Attention – the focusing of conscious awareness on a particular stimulus, as in the cocktail party effect. Visual Capture – the tendency for vision to dominate the other senses. Gestalt – an organized whole. Gestalt psychologists emphasize our tendency to integrate pieces of information into meaningful wholes. Figure-Ground – the organization of the visual field into objects that stand out from their surroundings. Grouping – the perceptual tendency to organize stimuli into coherent groups. Depth perception – the ability to see objects in three dimensions although the images that strike the retina are two-dimensional; allows us to judge distance. Visual cliff – a laboratory device for testing depth perception in infants and young animals.
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