Sensation & Perception

1. that people are not always aware of their choices and preferences.
4. the smallest amount of stimulation needed for a person to detect that stimulus 50% of the time.
5. study of relationships between the physical characteristics of stimuli
9. Perceptions begin with the most general and move toward the more specific.
10. the processes that allow an individual to select and focus on particular input for further processing while simultaneously suppressing irrelevant or distracting information.
11. a theory predicting how and when we predict the presence of a faint stimulus aid
13. The ability to see, hear, or become aware of something through the senses.
14. An explanation for perceptions that start with an incoming stimulus and working upwards until a representation of the object is formed in our minds.
15. A physical feeling or perception resulting from something that happens to or comes into contact with the body.
16. A predisposition to perceive things in a certain way.
17. a reduction in sensitivity to a stimulus after constant exposure to it.

2. Below one's absolute threshold for conscious awareness.
3. a phenomenon of visual perception that occurs when a stimulus undergoes a change without this being noticed by its observer.
6. psychological learning process wherein there is a decrease in response to a stimulus after being repeatedly exposed to it
7. the failure to notice a fully-visible, but unexpected object
8. the amount of stimulus needed to notice a change doesn't depend on the amount
12. Conversion of one form of energy into another.