Ch.3 "Sensation

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Ch.3 "Sensation Perception"
Pages 91-115 Qz. 2
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You are about to witness the perpetrator of a
crime!
Who done it?
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Describe what you saw. Keep in mind, that this
is a police investigation and that your testimony
can be used in a court of law.
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Young lady or Old lady?
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What do you sense?
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Sensation Vs. Perception
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Book Definition The stimulation of sensory
receptors and the transmission of sensory
information into the central nervous system
Book Definition The process by which sensations
are organized into an inner representation of the
world
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What influences our perceptions?
SEEING
HEARING
TOUCHING
SMELLING
TASTING
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Lets take a look at our worksheet!
Open your books to page 92, please.
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Claim   In the film Aladdin, the hero whispers,
"Good teenagers, take off your clothes."
http//www.snopes.com/disney/films/aladdin.htm
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1) The Pepsi Cool Can In 1990, Pepsi actually
withdrew one of its Cool Can designs after
someone protested that Pepsi was subliminally
manipulating people by designing the cans such
that when six-packs were stacked at grocery
stores, the word SEX would emerge from the
seemingly random design. Critics alleged that the
red and blue lines on the Cool Can design were
far from random lt27gt.
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VISUAL PROBLEMS (page 105)

• Strabismus eye muscles dont work together

2. Trichromat normal color vision
3. Farsighted or presbyopia
4. Color Blind sensitive to only black white
5. Astigmatism
6. Brittleness of the lens
7. Dichromat only sensitive to certain colors
partially color blind
8. Nearsighted cant see things far away but
can see things with better visual acuity if they
are near
9. Checking visual acuity
10. Cant see things near can see things with
better visual acuity that are at a distance
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Plate 1
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Plate 2
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Plate 3
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Plate 4
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Plate 5
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Plate 6
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Plate 7
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Plate 8
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Plate 9
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Plate 10
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Plate 11
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Plate 12
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Plate 13
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Plate 14
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Plate 15
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Plate 1

• Both normal and those with all color vision
  deficiencies should read the number 12.

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Plate 2

• Those with normal color vision should read the
  number 8.
• Those with red-green color vision deficiencies
  should read the number 3.
• Total color blindness should not be able to read
  any numeral.

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Plate 3

• Normal vision should read the number 29.
• Red-green deficiencies should read the number 70.
• Total color blindness should not read any numeral.

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Plate 4

• Normal color vision should read the number 5.
• Red-Green color deficiencies should read the
  number 2.
• Total color blindness should not be able to read
  any numeral.

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Plate 5

• Normal color vision should read the number 3.
• Red-Green deficiencies should read the number 5.
• Total color blindness should not be able to read
  any numeral.

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Plate 6

• Normal color vision should read the number 15.
• Red-Green deficiencies should read the number 17.
• Total color blindness should not be able to read
  any numeral.

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Plate 7

• Normal color vision should read the number 74.
• Red-Green color deficiencies should read the
  number 21.
• Total color blindness should not be able to read
  any numeral.

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Plate 8

• Normal color vision should read the number 6.
• The majority of those with color vision
  deficiencies cannot read this number or will read
  it incorrectly.

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Plate 9

• Normal color vision should read the number 45.
• The majority of those with color vision
  deficiencies cannot read this number or will read
  it incorrectly.

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Plate 10

• Normal color vision should read the number 5.
• Those with color vision deficiencies will not
  read the number or read it incorrectly.

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Plate 11

• Normal color vision should read the number 7.
• Those with color vision deficiencies will not
  read this number or read it incorrectly.

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Plate 12

• Normal color vision should read the number 16.
• Those with color vision deficiencies will not
  read this number or read it incorrectly.

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Plate 13

• Normal color vision will read the number 73.
• Those with color vision deficiencies should nor
  be able to read this number or will read it
  incorrectly.

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Plate 14

• Normal color vision and those with total color
  blindness should not be able to read any number.
• The majority of those with red-green deficiencies
  should read the number 5.

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Plate 15

• Normal color vision and those with total color
  blindness should not be able to read any number.
• The majority of those with red-green deficiencies
  should read the number 45.

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RULES OR LAWS OF PERCEPTUAL ORGANIZATION
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RULES OR LAWS OF PERCEPTUAL ORGANIZATION
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Figure
Ground
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What law of Perceptual Organization
Continuation
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RULES OR LAWS OF PERCEPTUAL ORGANIZATION
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RULES OR LAWS OF PERCEPTUAL ORGANIZATION
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What law of Perceptual Organization
Proximity
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RULES OR LAWS OF PERCEPTUAL ORGANIZATION
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PERCEPTION OF MOVEMENT

• Autokinetic Effect stationary point of light
• Stroboscopic Motion rapid sequencing of visual
  images
• Phi Phenomenon rapid sequencing of lights

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Phi Phenomenon
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DEPTH PERCEPTION
MONOCULAR CUES FOR DEPTH
PERSPECTIVE
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DEPTH PERCEPTION
OVERLAPPING or INTERPOSITION
MONOCULAR CUES FOR DEPTH
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DEPTH PERCEPTION
MONOCULAR CUES FOR DEPTH
Shadowing
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TEXTURE GRADIENT
MONOCULAR CUES FOR DEPTH
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MONOCULAR CUES FOR DEPTH
CLEARNESS
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BINOCULAR CUES FOR DEPTH
RETINAL DISPARITY CONVERGENCE
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MONOCULAR CUES FOR DEPTH
CLEARNESS
PERSPECTIVE
OVERLAPPING or INTERPOSITION
TEXTURE GRADIENT
Shadowing
BINOCULAR CUES FOR DEPTH
RETINAL DISPARITY CONVERGENCE
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PERCEPTUAL CONSTANCIES
SIZE CONSTANCY
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PERCEPTUAL CONSTANCIES
SHAPE CONSTANCY
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PERCEPTUAL CONSTANCIES
COLOR CONSTANCY
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PERCEPTUAL CONSTANCIES
BRIGHTNESS CONSTANCY
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Optical Illusions

• When principles of
• perception lead to
• misrepresentations of
• reality

Height-Width
Equivocal
Interrupted Extent
Depth
Contrast
Contour