Exam (elaborations)

Psyc 365 - Cognitive Neuroscience: psychology a - unit 6: sensation and perception Solution Guide_ Answered Fall 2024.

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Course
PSYC 365

Institution
University Of British Columbia (UBC )

psychology a - unit 6: sensation and perception Solution Guide_ Answered Fall 2024.

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Uploaded on October 12, 2024
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cognitive psychology
what is a sensory system
psyc 365 ubc psychology
unit 6 sensation and perception
psychology a unit 6 sensation and perception

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psychology a - unit 6: sensation and
perception Solution Guide_ Answered
Fall 2024.
lesson 25 - sensation

what is a sensory system? - a system within the body that detects information related to
one of the senses and transmits it to the brain

what are binocular depth cues? - visual clues within the environment that allow people
to understand space using two eyes

match each sensory system with the correct description. - sight : uses the eyes to take
in light information from the environment

hearing : uses the ears to receive sound waves from the environment

smell : uses the nose to take in chemical compounds from the air

taste : uses the tongue to respond to chemicals in substances

touch : uses receptor cells in the skin to respond to sensations

what is sensory adaptation? - changes in sensory system responses to match the
current environment

match each type of threshold with it's appropriate description. - terminal threshold : a
high level of sensation where people can no longer detect changes in the strength of
stimuli

absolute threshold : the lowest level of sensation that people can detect at least half of
the time

differential threshold : the lowest level of sensation that is needed for people to detect
changes in stimuli

which best describes the sense of hearing? - the ears receive sound waves and turn
them into signals to send to the brain

what best describes a terminal threshold? - a high level of sensation where detectable
changes in sensation can no longer occur

, gracie is watching television in her bedroom. she can hear the sound from the
television, but she thinks it is a little too quiet. she turns up the volume, but it is not
enough to be noticeable different. she turns it up a couple notches more and is able to
recognize the change in the level of volume.

what concept does this situation describe? - differential threshold

what need to happen when performing experiments to determine absolute thresholds
for the results to be considered accurate? - subjects needs to experience the sensation
at least half of the time

what are capabilities of the visual sensory system? select all that apply. - to recognize
levels of light

to determine depths of objects

to understand differences in color

what is a limitation to a human's visual sensory system? - only certain wavelengths of
light can be processed

what is sensation? - the body's process for receiving sensory information

what best describes the sense of taste? - the tongue responds to chemicals from foods
and other substances.

lesson 26 - perception

which steps are part of the perception process? select all that apply. - reaction
processing
categorization

match each gestalt principle of perception with its appropriate description. - proximity :
people group together objects that are close to each other

similarity : people group together objects that are similar to each other

figure-ground : people recognize objects by how they contrast with backgrounds

closure : people fill in gaps to view objects as whole instead of as segments

continuity : people view patterns in shapes and lines beyond where they end

lesson 27 - perception continued

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