6: 1Chapter Sensation and Perception
1.
What are the separate sense receptors, and what kinds of stimulation do they respond to? What are absolute thresholds and difference thresholds, and how does signal detection theory help us understand them? What are the primary distinctions between sensory adaptation, sensory deprivation and selective attention? What are the three psychological dimensions of vision? How do rods and cones differ in their structure and functions? How do the trichromatic theory and opponent-process theory explain color vision? What are four main Gestalt principles of perception? What are five visual that constancies contribute to visual perception? What are the three psychological dimensions of hearing? What are the major structures of the inner ear that contribute to the sense of hearing? Why are taste and smell called ?chemical senses?? How does gate-control theory account for our perception of pain? Is there any evidence that some perceptual abilities are present from birth? What are these abilities, and what is the evidence? What are four psychological and cultural factors that influence how we perceive things? Is there any reliable evidence for the existence of subliminal perception or extrasensory perception?