9 Flashcards

1
Q

Define Perception

A

Organising and interpreting sensory information from the external world by the sensory receptors in the sense organs and the brain

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2
Q

Define sensation

A

processing of information from the external world by the sensory receptors in the sense organs and the brain.

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3
Q

Perception forms the basis for (4)

A

Cognitive, emotional and social development, and interpretative skills

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4
Q

Infants can analyze and integrate separate elements of a visual display into…

A

Infants can analyze and integrate separate elements of a visual display into a coherent pattern.

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5
Q

Define Habituation:

How studied in infants:

A

The diminishing of an innate response to a frequently repeated stimulus

If the infant’s response increases when a novel stimulus is presented, the researcher infers that the baby can discriminate between the old and new stimuli.

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6
Q

showing infants two stimuli (objects, sounds etc.) at a time on two side-by-side screens to see if the infants have a preference for one over the other.

This is the xxx

A

Preferential-looking technique

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7
Q

Define visual acuity

what age fully developed?

A

Sharpness of visual discrimination

8months

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8
Q

How test visual acuity

A

compare how long baby looks at striped pattern vs plain grey square.

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9
Q

Define contrast sensitivity.

What age develops

A

the ability to detect differences in light and dark areas.

2-3 months

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10
Q

What age colour vision develops.

why delay?

A

2-3 months

Cones (light sensitive neurones in fovea) need to develop in size, shape and spacing

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11
Q

Define visual scanning

what age?

A

Visual scanning is the ability to use vision to search in a systematic manner, such as top to bottom and left to right.

Birth

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12
Q

Define eye tracking

what age

A

follow moving objects

2-3 months

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13
Q

How long does it take to show a preference for mothers face

A

12 hours of exposure

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14
Q

Face experiments - bias toward

A

configurations with more elements in upper half

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15
Q

define Perceptual constancy

A

the perception of objects as being of constant size, shape, color, etc., in spite of physical differences in the retinal image of the object.

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16
Q

define Object segregation

A

perception of separate objects in a visual display (color, shape, common texture, common movement…)

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17
Q

define Object permanence

A

objects do not vanish as they go out of our sight

18
Q

Stereopsis (1)

What age (1)

Occurs due to (1)

A

the process by which the visual cortex combines the differing neural signals sent to the brain by the two eyes),

emerges suddenly at around 4 months of age

binocular disparity

19
Q

optical expansion (1)

What age (1)

A

objects approaching get bigger

1month

20
Q

define monocular depth cues (1)

examples (3)

what age

A

can be detected by one eye.

relative size

interposition (nearer objects occlude further ones)

convergence: of lines in the distance

6-7months

21
Q

Auditory localization

A

turn towards sounds

22
Q

music perceptions (3)

A

respond to rhythm in music

and are sensitive to melody, showing habituation to the same tune regardless of pitch.

23
Q

Sensitivity to taste and smell develops

A

before birth

24
Q

Newborns have an innate preference for ______ flavors

A

sweet

25
Q

In the first few months babies explore by

A

oral exploration

26
Q

manual exploration over oral exploration at around ____ months

A

4 months

27
Q

Intermodal perception

A

combination of two or more senses

28
Q

Current views on motor development

A

dynamic-systems approach, emphasizing many factors interacting, including
neural mechanisms, increases in strength, posture control, balance,
perceptual skills,
and motivation.

29
Q

Infants begin successfully reaching for objects at around ________ months of age.

A

3-4months

30
Q

Sit independently at

A

7months

31
Q

self-locomotion

A

independant movement - crawling/walking

32
Q

crawl at

A

8months

33
Q

walk at

A

11-12months

34
Q

put babies on back to reduce risk of

A

SIDS

35
Q

visual cliff research

finding (2)

A

A visual cliff involves an apparent, but not actual drop from one surface to another, originally created to test babies’ depth perception

the environment plays a very important role in babies’ developing understanding of the significance of differences in the height of surfaces.

Parents’ facial expressions

36
Q

infants xxx transfer what they learned about crawling down slopes to walking down them.

A

do not

37
Q

Toddlers xxx scale errors, in that they try to do something with a miniature replica object that is much too small for the action to be completed.

A

do make

38
Q

define affordances

A

affordances, the possibilities for action offered by objects and situations and the relation between the objects and humans

39
Q

statistical learning

A

picking up information from the environment, forming associations among stimuli that occur in a statistically predictable pattern

40
Q

Core-knowledge theorists believe…

A

Core-knowledge theorists believe that infants are born with some knowledge about the physical world.

41
Q

examples of physical knowledge (2)

A

knowledge of gravity (1st year)

under what conditions one object can support another.