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Perception
Chapter 4*
35
Psychology
Undergraduate 1
10/03/2010

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Term
Perception
Definition
the selection, organization, and interpretation of sensory input
Term
Stages of perception
Definition
1. sensory
2. perceptual
3. classification
Term
Distal vs. proximal stimuli
Definition
object in the environment vs the image in the eye
Term
Theories of Perception
Definition
1. structuralism
2. gestaltism
3. ecological optics
Term
Organizational processes
Definition
1. region segregation
2. figure-ground
3. closure
4. grouping
Term
Depth Perception
Definition
1. binocular cues
2. motion cues
3. pictorial cues
Term
Sensory stage
Definition
apply to all five senses
Term
Perceptual stage
Definition
how we think, organize, etc about what we are looking at
Term
Classification stage
Definition
an object belongs to a certain category
Term
Structuralist theory
Definition
oldest theory/ when we are babies we have a blank mind and it is through experience with ojects over and over that we are able to percieve them and store them in our knowledge
Term
Gestaltism theory
Definition
reaction against structuralism/ there is something on our mental process that we want to make things whole and organized and so **the whole is greater than the sum of the parts**
Term
Ecological optics theory
Definition
about the environmental stimulus, the properties of the stimulus should be studied and not the process
Term
Regional segregation
Definition
we can see what is cut out of a region
Term
Figure-ground
Definition
FedEx example of the arrow, faces vs vase….what is the fore ground and what is the background
Term
Closure
Definition
a series of lines can be perceived as a circle
Term
Grouping
Definition
(similarity, proximity) – group circles together and group lines together/ if things are near each other we group them together
Term
Binocular Cues
Definition
1. disparity
2. convergence
Term
Disparity
Definition
there is a difference between our visual field
Term
Convergence
Definition
the eyes converge as objects get closer
Term
Motion Cues
Definition
relative motion parallax
Term
Relative motion parallax
Definition
the closer the object, the faster we perceive its speed
Term
Pictorial cues
Definition
1. size
2. shape
3. constancy
Term
Classification
Definition
1. bottom up and top bottom processes
2. critical features theory and prototype theory
3. contexts and expectations
4. social and personal influences
5. field dependent vs independent
Term
Bottom up process
Definition
In form perception, progression from individual elements to the whole
Term
Top down process
Definition
In form perception, a progression from the whole to the elements
Term
Critical features theory
Definition
when we look at an object, we look at if it has the critical features that allows us to perceive the object as a certain object/matching process
Term
Prototype theory
Definition
we have stored in our minds what a typical object should look like, then we do a quick comparison/rapid comparison
Term
Contexts
Definition
it doesn’t matter what the order of the letters are in.
Term
Expectations
Definition
When we expect a word or phrase, it doesn’t matter what the order of the letters are in.
Term
Social influences
Definition
the outside worlds influence in the way we perceive things
Term
Personal influences
Definition
a personal schema can influence the way in which he/she perceives an object
Term
Deprivation
Definition
subjects deprived of food saw the food related words much quicker…primes us to perceive things that we are deprived of
Term
Personality
Definition
either field dependent or field independent
Term
Field dependent
Definition
influenced by their surroundings/extroverted, social, medical majors
Term
Field independent
Definition
influenced by internal/ independent thinking, natural sciences majors
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