Science Quiz / Psych Vocab Chp 4: Sensation & Perceptio

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Can you name the Psych Vocab Chp 4: Sensation & Perceptio?

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descriptionword/key phraseextra hint
an observation that the response to a stimulus depends both on a person's sensitivity to the stimulus in the presence of noise and on a person's response critereon
the minimal change in a stimulus that can just barely be detected
sensitivity to prolonged stimulation tends to decline overtime as an organism adapts to current conditions
process where different groups of cells specialize for different types of analysis and allow for rapid searching
the ability to see fine detail
an area of the retina that contains neither rods nor cones and therefore has no mechanism to sense lightoptic nerve creates this
near sighted, image focused in front of the retina because eyeball too long
methods that meausre the strength of a stimulus and the observer's sensitivity to that stimulus
number of rods (approx)evenly distributed around retina xcept at fovea
perceptual process that pays attention to some stimuli and ignores others
photoreceptors that detect color, operate under normal daylight conditions, and allow us to focus on fine detail
the just noticeable difference of a stimulus is a constant proportion despite variations in intensitye.g. JND for weight 2%
an area of the retina where vision is the clearest and there are no rods at all
form, constancy, depth are examples of how we ______ perceptions
a perceptual principle stating that even as aspects of sensory signals change, perception remains consistenaka recognizing a friend who is not looking directly at you
readiness to perceive in a particular manner, based on expectations (e.g. facial features)
number of cones (approx)densely packed in fovea
descriptionword/key phraseextra hint
the differences in the retinal images of the two eyes that provides info about depth
what takes place when many sensors in the body convert physical signals from the environment into neural signals sent to the CNS
the region of the sensory surface that, when stimulated, causes a change in the firing rate of that neuron
perceptual xperience of one sense evoked by another sense
simple awareness due to the stimulation of a sense organ
perceptual process that assembled info into patterns that help us understand the world
aspects of a scene that yield information about depth when viewed with one eye
photoreceptors that become active only under low-light conditions for night vision
list an example of a perceptual groupings
processing where individual elements are examined in order to create the whole, the bottom is the stimulus
light-sensitiv tissue lining the back of the eyeball
processing where the whole is used to perceive its elements, the top is the mental set
perceptual process that shows how the brain explains sensations
the minimal intensity needed to just barely detect a stimulus
far sighted, image focused behind retina because eyeball too short
the organization, ID and interpretation of a sensation in order to form a mental representation
process where we can perform more than 1 activity at one time, but our attention is a limited resource

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