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unit 4 module 16

basic principles of sensation and perception

QuestionAnswer
the process where sensory receptors and the nervous system receives information from the environment sensation
sensory nerve endings that respond to stimuli sensory receptors
the process of interpreting and organizing sensory information perception
analysis starting with the sensory receptors and working up to a higher level of processing bottom-up processing
information processing that starts with a higher- level mental process, starts by drawing off of our experiences and expectations top-down processing
focusing on one particular thing consciously selective attention
not seeing visible objects due to being focused on something else inattentional blindness
failing to notice a change in environment change blindness
the process of converting one form of energy into another that our brain can use and interpret transduction
study of the relationships between the physical energy we can detect and its effects on our psychological differences psychophysics
the minimum stimulation needed to detect a particular stimuli 50 percent of the time absolute threshold
the prediction of when we will detect a weak signal signal detection theory
below the absolute threshold for conscious awareness subliminal
the minimum difference needed to detect 50% of the time between two stimuli difference threshold
the principle that to notice a difference in stimuli, they have to differ by a constant minimum percentage, not a constant amount Weber's law
when there is a constant stimulation, we become less sensitive to it sensory adaptation
Created by: julianna merrill
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