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Sensation and Perception
Descrição
Chapter 4 psych
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chaptre 4 psych
sensation
perception
Mapa Mental por
brandy leblanc
, atualizado more than 1 year ago
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Criado por
brandy leblanc
quase 8 anos atrás
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Resumo de Recurso
Sensation and Perception
Sensation is the stimulation of sense organs
Perception is the selection, organization, and interpretation of sensory input. perception is Subjective.
Psychophysics - The Study of how physical stimuli are transalted to psychological experience
Absolute Thershold, a minimum amount of sensory stimulation that a organisim can detect 50% of the time
Sensory Adaptions, is a gradual decline in sensitivity due to prolongued exposure. ex, you can no longer smell your perfume.
Except sight due to Saccades - the eye is in constant motion, so our sight does not adapt.
Bottom UP, a progression from individual to the whole
Detect Specific features of stimulus
Combine specific features into more complex forms
Recognize stimulus
Top DOWN, a progression from the whole to individual
Formulate perceptual hypthesis about the nature of the stimulas as a whole
examine feature to form a hypthesis
Recognize the stimulas
Webers Law: States that the size of a just noticable difference JND is a constant proportion of the size of the initial stimulas
Gestalt Principles
Proximity. Things that are close to one another look like they belong together
Closure. Grouping elements to create a sense of closure
Similarity. Grouping stimuli that are similar
Simplicity. Organising elements in the simplist way possible
Continuity. seeing elements in ways that produce smooth continuation.
Transduction is the translation of a sensory stimuli to an electrical signal in the CNS, transduction is the essence of senstation.
Anexos de mídia
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