Describe how implicit and explicit memory develops in the first two years
What will be an ideal response?
Implicit memory involves automatic encoding of new stimuli into memory through the process of habituation.
Infants become faster and faster at habituating to new stimuli as they get older, indicating that the speed of encoding information into memory is improving steadily.
Another aspect of implicit memory involves memory for an operant response. Infants can learn a new behavior such as kicking a leg to make a mobile move at 2 months and remember it for 2 days.
By 6 months of age they retain the response for 2 weeks.
Using a different version of the task, researchers have shown steady increases in the retention of the operant-conditioned response over the period from 6 to 18 months
Explicit memory involves the conscious, deliberate recall of events or experiences.
Infants show that they have a functioning explicit memory by 9 months of age because they can imitate novel actions they witnessed only once.
As they get older, they can imitate more actions and retain them for a longer period of time, indicating that explicit memory improves steadily during infancy.
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