PSYC 1010 Chapter Notes -Color Vision, Depth Perception, Absolute Threshold

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19 Jun 2013
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PSYC 1010 Full Course Notes
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PSYC 1010 Full Course Notes
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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: 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, draw on our experience and expectations. Receive sensory stimulation, often using specialized receptor cells. Deliver the neural information to our brain. Transduction: 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. Psychophysics: the study of relationships between the physical characteristics of stimuli, such as their intensity, and our psychological experience of them. Absolute threshold: the minimum stimulation needed to detect a particular stimulus 50% of the time.

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