EXAMINATION TEST 2026 FULL SOLUTION
GUIDE VERIFIED A+
◉ perception. Answer: the process of organizing and interpreting
sensory information so that it makes sense
◉ bottom-up processing. Answer: the operation in sensation and
perception in which sensory receptors register information about
the external environment and sent it up to the brain for
interpretation--automatic
◉ top-down processing. Answer: the operation in sensation and
perception, launched by cognitive processing at the brain's higher
levels that allows the organism to sense what is happening and to
apply that framework to inforamtion from the world
◉ sensory receptors. Answer: specialized cells that detect stimulus
information and transmit it to sensory (afferent) nerves and the
brain
◉ absolute threshold. Answer: the minimum amount of stimulus
energy that a person can detect
, ◉ noise. Answer: irrelevant and competing stimuli--not only sounds
but also any distracting stimuli for our senses
◉ subliminal perception. Answer: the detection of information
below the level of conscious awareness
◉ difference threshold. Answer: the degree of difference that must
exist between two stimuli before the difference is detected
◉ Weber's law. Answer: the principle that two stimuli must differ by
a constant minimum percentage (rather than a constant amount) to
be perceived as different
◉ selective attention. Answer: the act of focusing on a specific aspect
of experience while ignoring others
◉ perceptual set. Answer: a predisposition or readiness to perceive
something in a particular way
◉ sensory adaptation. Answer: a change in teh responsiveness of the
sensory system based on the average level of surrounding
stimualtion