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218302
Object permanence
Description
Bsc ED209 Mind Map on Object permanence, created by charliestar04 on 19/09/2013.
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Mind Map by
charliestar04
, updated more than 1 year ago
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charliestar04
over 10 years ago
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Resource summary
Object permanence
Piaget, object permanence
<9 mth, failed even though physically capable
A not B error, fragile memory trace
Perseveration error, looking under cloth A when seen hidden under B
Repeating previous action even though now out of context
Egocenticism- toy found because of action not thought
Bower et al - 2 mth appeared to expect train to emerge
Gaze pattern Suggests they knew it still existed whilst out of sight
Study did not need physical capabilities
Further study show baby continue to track train after stopped
Suggests baby can't stop tracking once started
Baillargeon et al
5 mth, rotation of drawbridge, impossible event & novel event
Baby showed more interest when block did not obstruct when it should have- impossible
Novel event, rotation stopped by block
Suggests they believe block exists & understood it should be obstacle
Replicated at 6-8 mth
More attention paid to habituated but impossible event
Car emerging in a road block condition, knew car should not get through
Method, habituation
Based on baby losing interest in event seen many times
Violation of expectations
Spend longer looking at something they believe impossible
Aguilar & Baillargeon
Suggest babies understand that hidden objects exist
Show progression of understanding of hidden objects
Hood & Willats
5 mth, more likely to reach in direction of interesting object seen before lights out
Harris, delay in searching A not B task
Memory for new hiding place fragile & short delay disrupts
Butterworth
Error still made with transparent cloth
2 ways to code position, when objects moved
Egocentric code- position in relation to self
Allo centric code- position in relation to another object
If toy moved but not cloth, only one code has changed
Diamond
Vary length of delay
Better able to cope with age as short term memory improves
Suggests when info from temp memory fades, habitual response takes over
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