perception!
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PERCEPTION!. Our Essential Questions. How does perception influence our perspectives? What is the Gestalt perspective? What are the various types of perceptions we have?. Perception. The process of integrating, organizing, and interpreting sensation - PowerPoint PPT PresentationTRANSCRIPT
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PERCEPTION!
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Our Essential Questions
How does perception influence our perspectives?
What is the Gestalt perspective?What are the various types of
perceptions we have?
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Perception
The process of integrating, organizing, and interpreting sensation
Sensation is the stimulation, perception is the interpretation
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What do you think this mental integration, organization and interpretation is influenced by?
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Perceptions influenced by: ----Motivation----Values----Expectations----Experience----Culture----Cognitive Style----Personality
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Perceptual ConstancyWe perceive objects as
unchanging despite changes in retinal imagecolor/ brightnessshape size
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The door changes shape, but you know that it doesn’t really change
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Visual capture
tendency for vision to dominate the other senses
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Gestalt Psychology“unified whole”Whole>sum of its partsIf we break experiences into their
basic parts, something important is lost
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What do you see here?
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What do you see here?
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cdnuolt blveiee taht I cluod aulaclty uesdnatnrd waht I was rdanieg. The
phaonmneal pweor of the hmuan mnid, aoccdrnig to a rscheearch at Cmabrigde Uinervtisy, it deosn't mttaer in waht oredr
the ltteers in a wrod are, the olny iprmoatnt tihng is taht the frist and lsat ltteer be in the rghit pclae. The rset can be a taotl mses and
you can sitll raed it wouthit a porbelm.Tihs is bcuseae the huamn mnid deos not
raed ervey lteter by istlef, but the wrod as a wlohe. Amzanig huh? yaeh and I awlyas
tghuhot slpeling was ipmorantt!
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Gsaeltt pysolgchoy epxanlis why taetlned eodtirs msis ebmarsasrnig tpyos. Our mnid prerefs "ctrorecing" waht we altclauy see.
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• Dyslexia: inability to revisualize the gestalt of the word•Is this a problem with sensation or perception?
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Can you remember?
836492059
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How’d you do?
836492059
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Groupingtendency to organize stimuli into
groupsAka “chunking”Patterns, shapes, forms
How many #s can we remember?
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So how do we group?SimilarityProximityContinuityClosure
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Grouping - Similarity
The tendency to place items that look similar into a group
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Grouping - ProximityThe tendency to
place objects that are physically close to each other in a group
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Grouping - Continuity
The tendency to follow a line and continue along the simplest, smoothest path
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Grouping - Closure
The tendency to fill in gaps in a perceptual field
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Perceptual Set
a bias or readiness to perceive certain aspects of available sensory data and to ignore others
Stereotypes?
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Depth Perception
ability to see objects in 3Dallows us to judge distance
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Let’s try it!Binocular vs. monocular…which one’s
better?With both eyes open, touch your index
fingers together in front of your face.Now close one eye and try.Try at different distances.
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Depth Perception: Binocular Depth Cues
Module 10: Perception
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Depth Perception – Binocular CuesRetinal disparity: differences
between 2 images of 1 scenemost effective when the item is
quite close to the person
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Depth Perception – Binocular CuesConvergence: 2 eyes focusing
on the same object creates tensionThe more tension, the closer the
objectWorks best at close distances
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Depth Perception: Monocular Depth Cues
Module 10: Perception
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Depth Perception - Monocular CuesRelative size: Using the perceived
size of a familiar object to determine depth
The larger the object appears, the closer the object is to the viewer
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Depth Perception - Monocular CuesRelative motion: when moving, we
can determine depth by focusing on a distant object
Aka motion parallax http://psych.hanover.edu/krantz/motionparallax/motionparallax.html
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Relative Motion
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Depth Perception – Monocular CuesFigure-ground: tendency to organize
stimuli into objects (the figures) that stand out from their surrounding (the ground)figure = object (s) that draws one’s
attentionground = background
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What is the figure, and what is the background here?
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Depth Perception – Monocular CuesInterposition/Overlap: closer object
blocks distant object
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Depth Perception – Monocular CuesRelative clarity: distant objects are
less clear than nearby objectsTexture gradient: distant objects have
a smoother texture than nearby objects
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Depth Perception – Monocular CuesRelative height: distant objects
appear higher in your field of vision than do closer objects
Linear perspective: parallel lines appear to converge in the distancehorizon
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Let’s Wrap Up
Explain the following: “Everyday experience is not a literal transcript of the world, but an ongoing process of construction by the mind.”
How does perception influence our perspectives?
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images that differ from objective reality
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IllusionsStroboscopic motion: timed flashing
lights that gives the illusion of movement
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