Chapter 5: Sensation, Perception, and Attention
Chapter Outline
How Do We Sense Our Worlds?
- Stimuli Must Be Coded to Be Understood by the Brain
- Psychophysics Relates Stimulus to Response
- In Gustation, Taste Buds Are Chemical Detectors
- In Smell, the Nasal Cavity Gathers Particles of Odor
- In Touch, Sensors in the Skin Detect Pressure, Temperature, and Pain
- In Hearing, the Ear Is a Sound-Wave Detector
- In Vision, the Eye Detects Light Waves
- Perception Occurs in the Brain
- Object Perception Requires Construction
- Depth Perception Is Important for Locating Objects
- Size Perception Depends on Distance Perception
- Motion Perception Has Both Internal and External Cues
- Perceptual Constancies Are Based on Ratio Relationships
- Visual Attention Is Selective and Serial
- Auditory Attention Allows Selective Listening
- Selective Attention Can Operate at Multiple Stages of Processing
Chapter Menu
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