Name:_____________________________ Chapter 6: Sensation and Perception Period:___________ Introduction & Basic Principles of Sensation and Perception (pg. 229-236) 1. Sensation: 2. Perception: 3. Bottom-Up Processing: 4. Top-Down Processing: 5. Describe an example that illustrates the difference between sensation and perception: A. Thresholds 1. Psychophysics: 2. Absolute Threshold: Example: 3. Signal Detection Theory: Example: 4. Subliminal: Example of subliminal message: 5. Priming: 6. Can advertisers really manipulate us with hidden persuasion? EXPLAIN. 1 7. Difference Threshold (Just Noticeable Difference or jnd): Example: 8. Weber’s Law: Example: B. Sensory Adaptation 1. Sensory Adaptation: Example: 2. Why do we have sensory adaptation? What is its important benefit? Vision (pg. 236-245) A. Transduction: Example: B. The Stimulus Input: Light Energy 1. Wavelength (distance from one wave peak to the next) determines what? 2. Hue: 3. Amplitude (wave length) determines what? 4. Intensity: C. The Eye 1. Cornea: 2. Pupil: 3. Iris: 2 4. Lens: 5. Retina: Accommodation Rods Cones Bipolar Cells Ganglion Cells 6. Optic Nerve: 7. Blind Spot: 8. Fovea: D. Visual Information Processing 1. After being processed in the retina, the optic nerve carries vision information to what part of the brain? 2. Feature Detectors (Hubel & Wiesel): 3. Parallel Processing: Example: E. Color Vision 1. If no one sees a tomato, is it red? Explain the answer to this question: 2. Young-Helmholtz Trichoromatic (3 color) Theory: 3 3. What’s the problem with this theory? 4. Afterimages: 5. Opponent Process Theory (by Hering): 6. How is color vision a 2-stage process? Hearing (pg. 245-252) 1. Audition: A. The Stimulus Input: Sound Waves 1. Amplitude (strength) determines what? 2. Frequency (length) determines what? 3. What is sound measured in? B. The Ear 1. Outer Ear: Eardrum: 2. Middle Ear: 3 bones in middle ear: 3. Inner Ear: Cochlea: 4. Summarize how we hear: 5. Pitch a. Place Theory: Problem: 4 b. Frequency Theory: Problem: c. Volley Principle: C. Hearing Loss & Deaf Culture 6. What is the difference between sensorineural hearing loss and conduction hearing loss? 7. Cochlear Implant: Other Important Senses (pg. 252-263) A. Touch 1. What are the 4 distinct skin sensations that make up touch? 2. Kinesthesis: 3. Vestibular Sense: a. Where are the biological parts for your sense of equilibrium located? B. Pain 1. Why do you need to feel pain? 2. Gate-Control Theory (for pain): 3. Endorphins: 4. What are phantom limb sensations? 5. List 2 examples of psychological influences of pain. 5 6. List 2 examples of social-cultural influences of pain. C. Taste 1. What are the 4 basic tastes? 2. What is the newest 5th one? Describe it. 3. Explain why taste is considered a chemical sense. D. Sensory Interaction 1. Sensory Interaction: Example: 2. McGurk Effect: E. Smell 1. What is the scientific name for smell? (Starts with an O.) 2. Because it is a primitive sense, what part of the brain does smell bypass? 3. The receptor cells send messages to the brain’s _____________________. (Smell is the only sense that does not pass through the thalamus.) 4. Smells have a huge power to trigger memories. Why? Example: Perceptual Organization (pg. 263-272) 1. Gestalt: A. Form Perception Figure-ground: Example: 6 Grouping: Gestalt Principle Definition Draw an Example Proximity Similarity Continuity Connectedness Closure B. Depth Perception: 1. Visual Cliff: 2. What did the visual cliff experiments demonstrate – is depth perception learned or not? Explain: 3. Binocular Depth Cues: a. Retinal Disparity: 7 4. Monocular Depth Cues: a. Relative Height: b. Relative Size: c. Interposition: d. Relative Motion: e. Linear Perspective: f. Light and Shadow: C. Motion Perception 1. How does the brain typically compute motion? 2. Stroboscopic Movement: Example: 3. Phi Phenomenon: Example: D. Perceptual Constancy 1. Example of size constancy: 2. Example of shape constancy: 3. Example of lightness constancy: 4. Example of color constancy: 8 Perceptual Interpretation (pg. 272 – 281) A. Sensory deprivation & restored vision 1. What does research on sensory restriction & restored vision reveal about the effects of experience? 2. Perceptual Adaptation: Example: 3. Perceptual Set: Example: 4. What determines our perceptual set? 5. Context effects: Example: B. Perception & the Human Factor 1. Human Factors Psychologist: Example: 2. Are human factors psychologists doing basic or applied research? Explain. Is there Extrasensory Perception? (pg. 282-285) 1. Extrasensory Perception (ESP): 2. Parapsychology: 3. Telepathy: 4. Clairvoyance: 5. Precognition: 6. Psychokinesis: The Heart of Science: Test them to see if they work. After extensive ESP research, what are scientist’s conclusions regarding ESP? 9
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