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Module 17 Psych

TermDefinition
Sensation: is the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment.
Perception is the process in which our brain organizes and interprets sensory information, enabling us to recognize meaningful objects and events
Transduction: is the conversion of one form of energy into another takes sight, smell, etc... into neural impulses our brain can understand.
Signal Detection Theory: assumes there is no single absolute threshold.
Bottom-up Processing: Starts at sensory receptors and works up to higher levels of processing
Top-Down Processing: Constructs perceptions from sensory input by drawing on experience and expectations
Psychophysics: is the study of relationships between physical characteristics of stimuli and our psychological experiences of them.
Absolute Threshold: is the minimum stimulus energy needed to detect a particular stimulus 50% of the time.
Subliminal: is what is below one's threshold for conscious awareness. Subliminal messages are not that effective however they can be used in advertising.
Difference Thresholds: is the minimum difference between two stimuli required for detection 50% of the time
Weber's Law: is what is to be perceived as different, two stimuli must differ by a constant minimum percentage.
Sensory Adaption: is diminished sensitivity because of constant stimulation. you become less aware of a stimulus. It benefits you by being able to focus on environmental changes.
Perceptual Set: is the mental predisposition to perceive one thing and not another. These sets are developed through. Or can be based on Priming Or Stereotypes
Schemas: are formed through experience they can Organize and interpret unfamiliar information
Created by: OB'sStudySess28
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