AP Psychology Unit 4 Sensation and Perception Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed
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Course
AP Psychology
Institution
AP Psychology
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 processi...
✓ -:- 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 percent of the
time
Signal Detection
✓ -:- predicting how and when we detect the presence of a faint stimulus (signal) amid
background stimulation (noise) Assumes that there is no single absolute threshold
and that detection depends partly on a person's experience, expectation,
motivation, and level of fatigue
Subliminal
✓ -:- below one's absolute threshold for conscious awareness
Difference Threshold
✓ -:- the minimum difference between two stimuli required for detection 50 percent of
the time. We experience the difference threshold as a just noticeable difference.
(Also called just noticeable difference or jnd.)
2|Page | Grade A+| 2024/2025
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