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
what takes place when many sensors in the body convert physical signals from the environment into neural signals sent to the CNS
an area of the retina that contains neither rods nor cones and therefore has no mechanism to sense lightoptic nerve creates this
simple awareness due to the stimulation of a sense organ
processing where the whole is used to perceive its elements, the top is the mental set
far sighted, image focused behind retina because eyeball too short
the minimal intensity needed to just barely detect a stimulus
the just noticeable difference of a stimulus is a constant proportion despite variations in intensitye.g. JND for weight 2%
process where we can perform more than 1 activity at one time, but our attention is a limited resource
perceptual process that pays attention to some stimuli and ignores others
process where different groups of cells specialize for different types of analysis and allow for rapid searching
an area of the retina where vision is the clearest and there are no rods at all
aspects of a scene that yield information about depth when viewed with one eye
number of cones (approx)densely packed in fovea
the organization, ID and interpretation of a sensation in order to form a mental representation
methods that meausre the strength of a stimulus and the observer's sensitivity to that stimulus
the differences in the retinal images of the two eyes that provides info about depth
form, constancy, depth are examples of how we ______ perceptions
descriptionword/key phraseextra hint
perceptual process that shows how the brain explains sensations
number of rods (approx)evenly distributed around retina xcept at fovea
light-sensitiv tissue lining the back of the eyeball
photoreceptors that detect color, operate under normal daylight conditions, and allow us to focus on fine detail
perceptual process that assembled info into patterns that help us understand the world
perceptual xperience of one sense evoked by another sense
photoreceptors that become active only under low-light conditions for night vision
the ability to see fine detail
the region of the sensory surface that, when stimulated, causes a change in the firing rate of that neuron
readiness to perceive in a particular manner, based on expectations (e.g. facial features)
the minimal change in a stimulus that can just barely be detected
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
sensitivity to prolonged stimulation tends to decline overtime as an organism adapts to current conditions
near sighted, image focused in front of the retina because eyeball too long
processing where individual elements are examined in order to create the whole, the bottom is the stimulus
list an example of a perceptual groupings
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

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