PSYCH-AD 101 Study Guide - Final Guide: Sound, Color Vision, Retina
10 Dec 2017
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Document Summary
Sensation the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment. Perception the process of organizing and interpreting sensory information, enabling us to recognize meaningful objects and events. Bottom- up processing an analysis that begins with the sensory 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. Transduction a conversion of one form of energy into another; in sensation, the transforming of stimulus energies, such as sights, sounds, and smells, into neural impulses our brain can interpret. The study of relationships between the physical characteristic of stimuli, such as their intensity and their intensity, and or psychological experience of them. The minimum stimulus energy needed to detect a particular stimulis 50% of the time.
