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PSYCH 130 > Development of Perception > Flashcards

Development of Perception Flashcards

1
Q

What three skin modality senses do neonates have?

A
  • touch
  • temperature
  • pain
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2
Q

In what order (greatest to least) are neonates’ development of senses?

A
  1. skin modality
  2. chemosensation (taste & smell)
  3. audition
  4. vision
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3
Q

Where do neonates’ taste preferences come from?

A

flavoring of amniotic fluid in utero

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4
Q

What did the carrot and water experiment show in infants and their mothers?

A
  • mothers drank carrot juice in last trimester of pregnancy: infants liked carrot-flavored cereal
  • mothers drank carrot juice during first months of lactation: infants did not like carrot-flavored cereal as much
  • mothers drank water in both last trimester and first months of lactation: infants did not like carrot-flavored cereal
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5
Q

True or False:
Infants’ sense of audition is not well developed.

A

False
It is relatively well developed.

can recognize voices

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6
Q

True or False:
Infants have good vision.

A

False
Visual acuity is very bad.

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7
Q

What is perceptual completion?

A

an optical illusion in which a boundary, color, texture, light, or object is seen where one does not acctually exist

our ability to “fill in the gaps”

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8
Q

What experiment studied infants’ perceptual completion ability?

A

the occluded rod experiment

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9
Q

What mechanism is used in the experiment to study infants’ perceptual completion?

A

habituation

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10
Q

Rod C: Complete rod
Rod D: Two separate rod pieces
If infants understand perceptual completion, they would prefer to look at ____.

A

Rod D

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11
Q

Rod C: Complete rod
Rod D: Two separate rod pieces
If infants do not understand perceptual completion, they would prefer to look at ____.

A

N/A
no preference

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12
Q

Rod A: static occluded rod
Rod B: moving occluded rod
Rod C: complete unoccluded rod
Rod D: two separate rod pieces unoccluded

4-month-olds will show no preference for C or D if habituated to ____.

A

Rod A

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13
Q

Rod A: static occluded rod
Rod B: moving occluded rod
Rod C: complete unoccluded rod
Rod D: two separate rod pieces unoccluded

4-month-olds will show a preference for ____ if habituated to B.

A

Rod D

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14
Q

What dimension of visual stimuli appears to be most salient to infants?

A

movement

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15
Q

What is the mechanism underlying the development of perceptual completion?

A

eye tracking

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16
Q

Vertical scanners do/do not have perceptual completion.

A

do not

looking up and down at the two pieces

17
Q

Horizontal scanners do/do not have perceptual completion.

A

do

looking at one rod

18
Q

What is the mechanism that allows infants to efficiently eye track the rods?

A

efficient visual attention

19
Q

What is efficient visual attention?

A

targeted visual exploration

20
Q

How do we develop efficient visual attention?

A

brain maturation and increasing control of oculomotor behavior

21
Q

In what order to babies learn how to sit?

A
  1. laying down
  2. tripod sitter
  3. independent sitter
22
Q

What experiment studied infants’ 3D object completion in correlation with sitting ability?

A

split infants into three groups (none, tripod, independent) and tracked interactions with toy

23
Q

What did the results of the 3D object completion experiment find?

A

independent sitters had the most interactions with toys

24
Q

Why did the laying down infant group have the least interactions with toys?

A

they have both hands to observe the toy, but it’s hard to see it from laying down

25
Q

Why did the laying down infant group have the intermediate interactions with toys?

A

they only have 1 hand to observe the toy

26
Q

Why did the independent sitting infant group have the most interactions with toys?

A

they have two hands AND can see the toy well

27
Q

What theory does the 3D object completion experiment closely align with?

A

dynamic systems theory

28
Q

2D understanding –> 3D understanding is driven by ____.

A

the ability to sit

PSYCH 130 (15 decks)

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