TEST SCRIPT WITH SOLVED QUESTIONS
AND VERIFIED ANSWERS
●● perception
Answer: the process of organizing and interpreting sensory information;
enabling us to recognize meaningful objects and events; helping us make
sense of the world around us
●● bottom-up processing
Answer: analysis begins withe the sensory receptors and works up to the
brain's integration of sensory information
●● top-down processing
Answer: information processing guided by higher-level mental
processes, as when we construct perceptions drawing on our experiences
and expectations
●● transduction
Answer: converting stimulus in the environment into neural signals
●● selective attention
,Answer: The ability to focus on only one stimulus from among all
sensory input
●● inattentional blindness
Answer: failure to see visible objects when our attention in directed
elsewhere
●● change blindness
Answer: Failing to notice changes in the environment/scenes, even when
you appear to be attending to the information
●● choice blindness
Answer: the phenomenon of subjects not realizing that they had been
given something that was not "their choice"
●● Cocktail party effect
Answer: the ability to attend to only one voice among many
●● absolute threshold
Answer: the smallest possible strength of a stimulus that can be detected
in half the time
●● difference threshold
, Answer: smallest change in the intensity of a stimulus that can be
detected (just noticeable difference)
●● Signal Detection Theory
Answer: Our ability to notice a stimulus is varied due to psychological
factors including motivation, past experience, and expectations.
●● Weber's Law
Answer: To be perceived as different, two stimuli must differ by a
constant minimum percentage. (Light-8%, Weight-2%, Tones-3%)
●● subliminal
Answer: existing or operating below the threshold of consciousness
●● Psychophysics
Answer: the study of relationships between the physical characteristics
of stimuli, such as their intensity, and our psychological experience of
them
●● Brightness
Answer: the dimension of visual experience related to the amount
(intensity) of light emitted from or reflected by an object
●● Cornea