Sensation and Perception (with CourseMate Printed Access Card)
E. Bruce Goldstein
Language: English
Pages: 496
ISBN: 1133958494
Format: PDF / Kindle (mobi) / ePub
Seeing and reading this sentence may seem like a "no brainer"--but your perception is just a tiny part of what is happening in your brain and body right now (both are much busier than you might think). SENSATION AND PERCEPTION has helped many readers understand the ties between how we sense the world and how the body interprets these senses. A key strength of this book has always been the ability to illustrate concepts through examples and visuals. Dr. Goldstein walks you through an intriguing journey of the senses, combining clear writing, his extensive classroom experience, and innovative research to create a visual, colorful book. Available with InfoTrac Student Collections http://gocengage.com/infotrac.
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one place. Some researchers see action as an important outcome of the perceptual process because of its importance for survival. David Milner and Melvyn Goodale (1995) propose that early in the evolution of animals, the major goal of visual processing was not to create a conscious perception or “picture” of the environment but to help the animal control navigation, catch prey, avoid obstacles, and detect predators—all crucial functions for the animal’s survival. The fact that perception often
Acuity 43 Creating Mach Bands in Shadows 56 Simultaneous Contrast 58 Cortical Magnification of Your Finger 80 Perceptual Puzzles in a Scene 95 Finding Faces in a Landscape 107 Shape From Shading 111 Visualizing Scenes and Objects 112 Looking for a Face in the Crowd 128 Change Detection 138 Searching for Conjunctions 144 Keeping Your Balance 155 Perceiving a Camouflaged Bird 177 Eliminating the Image Displacement Signal With an Afterimage 184 Seeing Motion by Pushing on Your Eyelid 184 Movement of
identify objects but can’t tell exactly where they are located (Table 4.1b). The cases of Alice and Bert, taken together, represent a double dissociation and enable us to conclude that recognizing objects and locating objects operate independently of each other. The Behavior of Patient D.F. The method of determining dissociations was used by Milner and Goodale (1995) to study D.F., a 34-year-old woman who suffered damage to her ventral pathway from carbon monoxide poisoning caused by a gas TABLE
Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. of the neuron that fired to The Simpsons. The patent’s description of what he was remembering is shown at the bottom of the figure. First the patient remembered “something about New York,” then “the Hollywood sign.” The neuron responds weakly or not at all to those two memories. However, remembering The Simpsons causes a large response, which continues as the person continues remembering the
orientation and used the relationship between voxel activity and orientation to create an “orientation decoder.” This decoder was designed to determine, from a person’s brain response, which orientation the person was seeing. To test the decoder, they presented oriented gratings to a subject, fed the resulting fMRI response into the decoder, and had the decoder predict the grating’s orientation. The results, shown in Figure 5.47b, indicate that the decoder accurately predicted the orientations
