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Module 11 - Module 11 Introduction to Sensation and...

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Module 11: Introduction to Sensation and Perception I Sensations the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment 1 Perception the process of organizing & interpreting sensory information, enabling us to recognize meaningful objects & events 2 Bottom-up processing analysis that begins with the brain’s integration of sensory information 3 Top-down processing information processing guided by higher-level mental processes, as when we construct perceptions drawing on our experience & expectations II Thresholds A. Psychophysics the study of relationships between the physical characteristics of stimuli, such as their intensity, and our psychological experience of them B. Absolute thresholds the minimum stimulation needed to detect a particular stimulus 50% of the time 1 Test for sounds hearing specialist exposes each ear to varying sound levels
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  • Fall '07
  • Barbagallo
  • cocktail party effect, constant minimum percentage, single absolute threshold, uninformative constant stimulation, D. Subliminal Stimulation

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